PREFIX dcat: PREFIX dcterms: PREFIX foaf: PREFIX owl: PREFIX rdfs: PREFIX schema: PREFIX skos: PREFIX voc4cat: PREFIX xsd: voc4cat:0000195 a skos:Collection ; dcterms:created "2025-04-01"^^xsd:date ; dcterms:identifier "0000195"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the collection"@en ; skos:definition "A collection of concepts most often appearing as publication keywords in the journal ChemCatChem (Wiley)."@en ; skos:inScheme ; skos:member voc4cat:0000001 , voc4cat:0000002 , voc4cat:0000015 , voc4cat:0000020 , voc4cat:0000049 , voc4cat:0000069 , voc4cat:0000073 , voc4cat:0000080 , voc4cat:0000093 , voc4cat:0000097 , voc4cat:0000098 , voc4cat:0000125 , voc4cat:0000178 , voc4cat:0000194 , voc4cat:0000197 , voc4cat:0000198 , voc4cat:0000199 , voc4cat:0000200 , voc4cat:0000201 , voc4cat:0000202 , voc4cat:0000203 , voc4cat:0000204 , voc4cat:0000205 , voc4cat:0000206 , voc4cat:0000207 , voc4cat:0000208 , voc4cat:0000209 , voc4cat:0000210 , voc4cat:0000211 , voc4cat:0000212 , voc4cat:0000213 , voc4cat:0000214 , voc4cat:0000215 , voc4cat:0000216 , voc4cat:0000217 , voc4cat:0000218 , voc4cat:0000219 , voc4cat:0000220 , voc4cat:0000221 , voc4cat:0000222 , voc4cat:0000223 , voc4cat:0000224 , voc4cat:0000225 , voc4cat:0000226 , voc4cat:0000227 , voc4cat:0000228 , voc4cat:0000229 , voc4cat:0000230 , voc4cat:0000231 , voc4cat:0000232 , voc4cat:0000233 , voc4cat:0000234 , voc4cat:0000235 , voc4cat:0000236 , voc4cat:0000237 , voc4cat:0000238 , voc4cat:0000239 , voc4cat:0000240 , voc4cat:0000241 , voc4cat:0000242 , voc4cat:0000243 , voc4cat:0000244 , voc4cat:0000245 , voc4cat:0000246 , voc4cat:0000247 , voc4cat:0000248 , voc4cat:0000249 , voc4cat:0000250 , voc4cat:0000251 , voc4cat:0000252 , voc4cat:0000253 , voc4cat:0000254 , voc4cat:0000255 , voc4cat:0000256 , voc4cat:0000257 , voc4cat:0000258 , voc4cat:0000259 , voc4cat:0000260 , voc4cat:0000261 , voc4cat:0000262 , voc4cat:0000263 , voc4cat:0000264 , voc4cat:0000265 , voc4cat:0000266 , voc4cat:0000267 , voc4cat:0000268 , voc4cat:0000269 , voc4cat:0000270 , voc4cat:0000271 , voc4cat:0000272 , voc4cat:0000273 , voc4cat:0000274 , voc4cat:0000275 , voc4cat:0000276 , voc4cat:0000277 , voc4cat:0000278 , voc4cat:0000279 , voc4cat:0000280 , voc4cat:0000281 , voc4cat:0000282 , voc4cat:0000283 , voc4cat:0000284 , voc4cat:0000285 , voc4cat:0000286 , voc4cat:0000287 , voc4cat:0000288 , voc4cat:0000289 , voc4cat:0000290 , voc4cat:0000291 , voc4cat:0000292 , voc4cat:0000293 , voc4cat:0000294 , voc4cat:0000295 , voc4cat:0000296 , voc4cat:0000297 , voc4cat:0000298 , voc4cat:0000299 , voc4cat:0000300 , voc4cat:0000301 , voc4cat:0000302 , voc4cat:0000303 , voc4cat:0000304 , voc4cat:0000305 , voc4cat:0000306 , voc4cat:0000307 , voc4cat:0000308 , voc4cat:0000309 , voc4cat:0007001 , voc4cat:0007002 , voc4cat:0007003 , voc4cat:0007034 ; skos:prefLabel "ChemCatChem keyword collection"@en ; . voc4cat:0001900 a skos:Collection ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0001900"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A collection of concepts referring to material characterization techniques and methods to evaluate their efficiency in photocatalysis."@en ; skos:inScheme ; skos:member voc4cat:0000067 , voc4cat:0000068 , voc4cat:0000069 , voc4cat:0000070 , voc4cat:0000071 , voc4cat:0000072 , voc4cat:0000073 , voc4cat:0000074 , voc4cat:0000075 , voc4cat:0000076 , voc4cat:0000077 , voc4cat:0000078 , voc4cat:0000079 , voc4cat:0000080 , voc4cat:0000081 , voc4cat:0000082 , voc4cat:0000083 , voc4cat:0000130 , voc4cat:0000137 , voc4cat:0000141 ; skos:prefLabel "Characterization and evaluation techniques"@en ; . voc4cat:0001901 a skos:Collection ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0001901"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the collection, 0000-0002-5898-1820 David Linke updated members"@en ; skos:definition "A collection of concepts referring to photocatalysis."@en ; skos:inScheme ; skos:member voc4cat:0000001 , voc4cat:0000002 , voc4cat:0000003 , voc4cat:0000004 , voc4cat:0000005 , voc4cat:0000006 , voc4cat:0000007 , voc4cat:0000008 , voc4cat:0000009 , voc4cat:0000010 , voc4cat:0000011 , voc4cat:0000012 , voc4cat:0000013 , voc4cat:0000014 , voc4cat:0000015 , voc4cat:0000017 , voc4cat:0000018 , voc4cat:0000020 , voc4cat:0000021 , voc4cat:0000022 , voc4cat:0000023 , voc4cat:0000024 , voc4cat:0000025 , voc4cat:0000026 , voc4cat:0000027 , voc4cat:0000028 , voc4cat:0000029 , voc4cat:0000030 , voc4cat:0000031 , voc4cat:0000032 , voc4cat:0000033 , voc4cat:0000034 , voc4cat:0000035 , voc4cat:0000036 , voc4cat:0000037 , voc4cat:0000038 , voc4cat:0000039 , voc4cat:0000040 , voc4cat:0000041 , voc4cat:0000042 , voc4cat:0000043 , voc4cat:0000044 , voc4cat:0000045 , voc4cat:0000046 , voc4cat:0000047 , voc4cat:0000048 , voc4cat:0000049 , voc4cat:0000050 , voc4cat:0000051 , voc4cat:0000052 , voc4cat:0000053 , voc4cat:0000054 , voc4cat:0000055 , voc4cat:0000056 , voc4cat:0000057 , voc4cat:0000058 , voc4cat:0000059 , voc4cat:0000060 , voc4cat:0000061 , voc4cat:0000062 , voc4cat:0000063 , voc4cat:0000064 , voc4cat:0000065 , voc4cat:0000066 , voc4cat:0000067 , voc4cat:0000068 , voc4cat:0000069 , voc4cat:0000070 , voc4cat:0000071 , voc4cat:0000072 , voc4cat:0000073 , voc4cat:0000074 , voc4cat:0000075 , voc4cat:0000076 , voc4cat:0000077 , voc4cat:0000078 , voc4cat:0000079 , voc4cat:0000080 , voc4cat:0000081 , voc4cat:0000082 , voc4cat:0000083 , voc4cat:0000084 , voc4cat:0000085 , voc4cat:0000086 , voc4cat:0000087 , voc4cat:0000088 , voc4cat:0000089 , voc4cat:0000090 , voc4cat:0000091 , voc4cat:0000092 , voc4cat:0000093 , voc4cat:0000094 , voc4cat:0000095 , voc4cat:0000096 , voc4cat:0000097 , voc4cat:0000098 , voc4cat:0000099 , voc4cat:0000100 , voc4cat:0000101 , voc4cat:0000102 , voc4cat:0000103 , voc4cat:0000104 , voc4cat:0000105 , voc4cat:0000106 , voc4cat:0000107 , voc4cat:0000108 , voc4cat:0000109 , voc4cat:0000110 , voc4cat:0000111 , voc4cat:0000112 , voc4cat:0000113 , voc4cat:0000114 , voc4cat:0000115 , voc4cat:0000116 , voc4cat:0000117 , voc4cat:0000118 , voc4cat:0000119 , voc4cat:0000120 , voc4cat:0000121 , voc4cat:0000122 , voc4cat:0000123 , voc4cat:0000124 , voc4cat:0000126 , voc4cat:0000127 , voc4cat:0000128 , voc4cat:0000129 , voc4cat:0000130 , voc4cat:0000131 , voc4cat:0000132 , voc4cat:0000133 , voc4cat:0000134 , voc4cat:0000135 , voc4cat:0000136 , voc4cat:0000137 , voc4cat:0000138 , voc4cat:0000139 , voc4cat:0000140 , voc4cat:0000141 , voc4cat:0000142 , voc4cat:0000143 , voc4cat:0000144 , voc4cat:0000145 , voc4cat:0000146 , voc4cat:0000147 , voc4cat:0000148 , voc4cat:0000149 , voc4cat:0000150 , voc4cat:0000151 , voc4cat:0000152 , voc4cat:0000153 , voc4cat:0000154 , voc4cat:0000155 , voc4cat:0000156 , voc4cat:0000157 , voc4cat:0000158 , voc4cat:0000159 , voc4cat:0000160 , voc4cat:0000161 , voc4cat:0000162 , voc4cat:0000163 , voc4cat:0000164 , voc4cat:0000165 , voc4cat:0000166 , voc4cat:0000167 , voc4cat:0000168 , voc4cat:0000169 , voc4cat:0000170 , voc4cat:0000171 , voc4cat:0000172 , voc4cat:0000173 , voc4cat:0000174 , voc4cat:0000175 , voc4cat:0000176 , voc4cat:0000177 , voc4cat:0000178 , voc4cat:0000179 ; skos:prefLabel "Photocatalysis collection"@en ; . voc4cat:0007130 a skos:Collection ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007130"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "Metadata attributes relevant for Scanning Electron Microscopy (SEM)"@en ; skos:inScheme ; skos:member voc4cat:0007123 , voc4cat:0007124 , voc4cat:0007125 , voc4cat:0007126 , voc4cat:0007127 , voc4cat:0007128 , voc4cat:0007129 ; skos:prefLabel "SEM measurement attribute"@en ; . voc4cat:0007131 a skos:Collection ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007131"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A collection of terms used in various measurement techniques, relevant in the domain of catalysis. (This collection is not exclusive)"@en ; skos:inScheme ; skos:member voc4cat:0007108 , voc4cat:0007109 , voc4cat:0007111 , voc4cat:0007112 , voc4cat:0007113 , voc4cat:0007114 , voc4cat:0007115 , voc4cat:0007116 , voc4cat:0007117 , voc4cat:0007118 , voc4cat:0007119 , voc4cat:0007120 , voc4cat:0007121 , voc4cat:0007122 , voc4cat:0007123 , voc4cat:0007124 , voc4cat:0007125 , voc4cat:0007126 , voc4cat:0007127 , voc4cat:0007128 , voc4cat:0007129 ; skos:prefLabel "measurement metadata attribute collection"@en ; . voc4cat:0008098 a skos:Collection ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008098"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:isDefinedBy ; rdfs:seeAlso ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the collection"@en ; skos:definition "A collection of concepts related to X-ray Absorption Spectroscopy (XAS)."@en ; skos:inScheme ; skos:member voc4cat:0000092 , voc4cat:0000286 , voc4cat:0008081 , voc4cat:0008082 , voc4cat:0008083 , voc4cat:0008084 , voc4cat:0008085 , voc4cat:0008086 , voc4cat:0008087 , voc4cat:0008088 , voc4cat:0008089 , voc4cat:0008090 , voc4cat:0008091 , voc4cat:0008092 , voc4cat:0008093 , voc4cat:0008094 , voc4cat:0008095 , voc4cat:0008096 , voc4cat:0008097 ; skos:prefLabel "XAS collection"@en ; . a schema:Person ; schema:name "Voc4Cat curator group" ; schema:url "https://github.com/orgs/nfdi4cat/teams/voc4cat-curators"^^xsd:anyURI ; . a schema:Person ; schema:name "David Linke" ; schema:url "https://orcid.org/0000-0002-5898-1820"^^xsd:anyURI ; . a schema:Person ; schema:name "Nikolaos Moustakas" ; schema:url "https://orcid.org/0000-0002-6242-2167"^^xsd:anyURI ; . a schema:Organization ; schema:name "NFDI4Cat Consortium" ; schema:url "https://w3id.org/nfdi4cat/"^^xsd:anyURI ; . voc4cat:0000016 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000016"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-4041-0165 Julia Schumann generalized the definition"@en ; skos:definition "The form in which the catalyst is introduced to the reaction chamber. This can include e.g., powders, pellets or thin films deposited on a substrate."@en ; skos:inScheme ; skos:prefLabel "catalyst form"@en ; . voc4cat:0000019 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000019"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-4041-0165 Julia Schumann generalized the definition"@en ; skos:definition "A catalyst introduced to the reaction chamber in the form of a thin film. To form a thin film, a (powdered) catalyst is deposited on a substrate (e.g., glass or metal) using an appropriate deposition technique."@en ; skos:inScheme ; skos:prefLabel "thin film"@en ; . voc4cat:0000193 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000193"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007017 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A reactor used to perform and study electrochemical reactions."@en ; skos:inScheme ; skos:prefLabel "electrochemical reactor"@en ; . voc4cat:0005007 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005007"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Describes a transformation that changes the chemical composition of involved materials."@en ; skos:inScheme ; skos:prefLabel "chemical conversion"@en ; . voc4cat:0005008 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0005008"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource, 0000-0002-4041-0165 Julia Schumann modified the resource"@en ; skos:definition "A quantity describing the progress of a chemical reaction. For any chemical entitiy taking part in the reaction it is defined by the amount of chemical entity formed devided by its stoichiometric number in the reaction."@en ; skos:inScheme ; skos:prefLabel "extent of reaction"@en ; . voc4cat:0005009 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005009"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "formation rate"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Is a quantity describing how fast a product is formed in a chemical reaction. It is defined by the amount of product formed per unit of time."@en ; skos:inScheme ; skos:prefLabel "rate of formation"@en ; . voc4cat:0005010 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005010"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "consumption rate"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Is a quantity describing how fast a reactant is consumed in a chemical reaction. It is defined by the amount of reactant consumed per unit of time."@en ; skos:inScheme ; skos:prefLabel "rate of consumption"@en ; . voc4cat:0005012 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005012"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a collection, which is a group of resources and/or other collections."@en ; skos:inScheme ; skos:prefLabel "collection"@en ; . voc4cat:0005013 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005013"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a material sample ([voc4cat:0005056](https://w3id.org/nfdi4cat/voc4cat_0005056))."@en ; skos:inScheme ; skos:prefLabel "sample"@en ; . voc4cat:0005014 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005014"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a material used in the research process. Note that in the PID resource categorization, a \"material\" is distinct from \"sample\" ([voc4cat:0005013](https://w3id.org/nfdi4cat/voc4cat_0005013)) and distinct from \"device\" ([voc4cat:0005015](https://w3id.org/nfdi4cat/voc4cat_0005015)) ."@en ; skos:inScheme ; skos:prefLabel "material"@en ; . voc4cat:0005015 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005015"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a physical device used in a research or manufacturing process."@en ; skos:inScheme ; skos:prefLabel "device"@en ; . voc4cat:0005016 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005016"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a collection of data available for access or download. A data object might be a data file, a data set, a data collection."@en ; skos:inScheme ; skos:prefLabel "data object"@en ; . voc4cat:0005017 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005017"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005011 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A PID resource category for a data service, which is an organized system of operations that provide data processing functions or access to datasets."@en ; skos:inScheme ; skos:prefLabel "data service"@en ; . voc4cat:0005019 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005019"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is cited by another resource."@en ; skos:inScheme ; skos:prefLabel "is cited by"@en ; . voc4cat:0005020 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005020"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource cites another resource."@en ; skos:inScheme ; skos:prefLabel "cites"@en ; . voc4cat:0005021 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005021"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is supplemented by another resource."@en ; skos:inScheme ; skos:prefLabel "is supplement to"@en ; . voc4cat:0005022 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005022"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource supplements another resource."@en ; skos:inScheme ; skos:prefLabel "is supplemented by"@en ; . voc4cat:0005023 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005023"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is continued by another resource."@en ; skos:inScheme ; skos:prefLabel "is continued by"@en ; . voc4cat:0005024 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005024"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource continues another resource."@en ; skos:inScheme ; skos:prefLabel "continues"@en ; . voc4cat:0005025 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005025"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource has metadata in another resource."@en ; skos:inScheme ; skos:prefLabel "has metadata"@en ; . voc4cat:0005026 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005026"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is metadata for another resource."@en ; skos:inScheme ; skos:prefLabel "is metadata for"@en ; . voc4cat:0005027 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005027"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource has a version. This is useful to refer to different versions of an abstract resource, for example, \"Python has version Python 3.12.4\"."@en ; skos:inScheme ; skos:prefLabel "has version"@en ; . voc4cat:0005028 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005028"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is a version of another resource. This is useful to refer to an abstract resource that has different versions, for example, \"Python 3.12.4 is version of Python\"."@en ; skos:inScheme ; skos:prefLabel "is version of"@en ; . voc4cat:0005029 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005029"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is a new version of another versioned resource. This is useful to refer between versioned resources, for example, \"Python 3.12.1 is_new_version_of Python 3.12.0\"."@en ; skos:inScheme ; skos:prefLabel "is new version of"@en ; . voc4cat:0005030 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005030"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is a previous version of another versioned resource. This is useful to refer between versioned resources, for example, \"Python 3.12.0 is_previous_version_of Python 3.12.1\"."@en ; skos:inScheme ; skos:prefLabel "is previous version of"@en ; . voc4cat:0005031 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005031"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition """The resource is part of another resource. This relation applies to container-contained type relationships. If the relation refers to publishing one resource as part of another resource, use "IS_PUBLISHED_IN" instead. If the relation refers to a versioned resource and non-versioned resource, use "IS_VERSION_OF" instead."""@en ; skos:inScheme ; skos:prefLabel "is part of"@en ; . voc4cat:0005032 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005032"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition """The resource has part another resource. This relation applies to container-contained type relationships. If the relation refers to publishing one resource as part of another resource, "IS_PUBLISHED_IN" instead. If the relation refers to a versioned resource and non-versioned resource, use "HAS_VERSION" instead."""@en ; skos:inScheme ; skos:prefLabel "has part"@en ; . voc4cat:0005033 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005033"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition """The resource is published in another resource. A resource A that is_published_in a resource B is independent from other resources published in the same resource B."""@en ; skos:inScheme ; skos:prefLabel "is published in"@en ; . voc4cat:0005034 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005034"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is referenced by another resource."@en ; skos:inScheme ; skos:prefLabel "is referenced by"@en ; . voc4cat:0005035 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005035"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource references another resource."@en ; skos:inScheme ; skos:prefLabel "references"@en ; . voc4cat:0005036 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005036"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is documented by another resource."@en ; skos:inScheme ; skos:prefLabel "is documented by"@en ; . voc4cat:0005037 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005037"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource documents another resource."@en ; skos:inScheme ; skos:prefLabel "documents"@en ; . voc4cat:0005038 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005038"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is compiled by another resource. Resources may be text or software. The compiler may be a computer program or a person."@en ; skos:inScheme ; skos:prefLabel "is compiled by"@en ; . voc4cat:0005039 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005039"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource compiles another resource. Resources may be text or software. The compiler may be a computer program or a person."@en ; skos:inScheme ; skos:prefLabel "compiles"@en ; . voc4cat:0005040 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005040"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is variant form of another resource. This may be used e.g. for relating architecture-specific builds of a software program to a source-code release. It may also be used to express the relation between data in different formats (e.g. PNG, JPEG) of the same image."@en ; skos:inScheme ; skos:prefLabel "is variant form of"@en ; . voc4cat:0005041 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005041"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is original form of another resource. This may be used e.g. for relating architecture-specific builds of a software program to a source-code release. It may also be used to express the relation between data in different formats (e.g. PNG, JPEG) of the same image."@en ; skos:inScheme ; skos:prefLabel "is original form of"@en ; . voc4cat:0005042 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005042"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is identical to another resource. May be used to indicate the relationship between an exact copy of a resource that is published at another location."@en ; skos:inScheme ; skos:prefLabel "is identical to"@en ; . voc4cat:0005043 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005043"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is derived from another resource. This may be used for relating a new dataset created by data processing to its original source dataset. For samples it may express the relation between the original sample and another sample derived from it by physical or chemical treatment."@en ; skos:inScheme ; skos:prefLabel "is derived from"@en ; . voc4cat:0005044 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005044"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is source of another resource. This may be used for example to express the relation between a source dataset and a new dataset derived from it by data processing. For samples it may express the relation between a sample processed by physical or chemical treatment and the original sample."@en ; skos:inScheme ; skos:prefLabel "is source of"@en ; . voc4cat:0005045 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005045"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is collected by another resource. May be used to indicate the relationship between a dataset and an instrument that is used to collect, measure, obtain, or observe data."@en ; skos:inScheme ; skos:prefLabel "is collected by"@en ; . voc4cat:0005046 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005046"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition """The resource collects another resource. May be used to indicate the relationship between an instrument and where it has been used to collect, measure, obtain, or observe data."""@en ; skos:inScheme ; skos:prefLabel "collects"@en ; . voc4cat:0005047 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005047"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is required by another resource."@en ; skos:inScheme ; skos:prefLabel "is required by"@en ; . voc4cat:0005048 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005048"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource requires another resource."@en ; skos:inScheme ; skos:prefLabel "requires"@en ; . voc4cat:0005049 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005049"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource is obsoleted by another resource."@en ; skos:inScheme ; skos:prefLabel "is obsoleted by"@en ; . voc4cat:0005050 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005050"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The resource obsoletes another resource."@en ; skos:inScheme ; skos:prefLabel "obsoletes"@en ; . voc4cat:0005052 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005052"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005051 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The persistent identifier is reserved but the resource is not yet linked."@en ; skos:inScheme ; skos:prefLabel "submitted"@en ; . voc4cat:0005053 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005053"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005051 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The persistent identifier is linked to a concrete resource."@en ; skos:inScheme ; skos:prefLabel "registered"@en ; . voc4cat:0005054 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005054"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005051 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The persistent identifier is obsolete, e.g. because the resource is referenced by another persistent identifier."@en ; skos:inScheme ; skos:prefLabel "obsoleted"@en ; . voc4cat:0005055 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005055"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005051 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The persistent identifier is deprecated, e.g. because the resource can no longer be found."@en ; skos:inScheme ; skos:prefLabel "deprecated"@en ; . voc4cat:0005057 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005057"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broadMatch ; skos:broader voc4cat:0000182 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A representative part of an entity of interest on which observations are made and which is created by time-based or spatial selection. It may have a lower dimension than the entity of interest. For example, an image may be a spatio-temporal sample of a 3D object."@en ; skos:inScheme ; skos:prefLabel "spatio-temporal sample"@en ; . voc4cat:0005058 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005058"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broadMatch ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A representative part of an entity of interest on which observations are made and which is created by statistical sampling or subset selection."@en ; skos:inScheme ; skos:prefLabel "statistical sample"@en ; . voc4cat:0005059 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005059"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005018 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "An established standard to which the described resource conforms. This relation should be used to indicate the model, schema, ontology, or profile that the resource content conforms to."@en ; skos:inScheme ; skos:prefLabel "conforms to"@en ; . voc4cat:0007004 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007004"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "The composition of chemical species fed to the inlet of a chemical reactor."@en ; skos:inScheme ; skos:prefLabel "reactor feed"@en ; . voc4cat:0007005 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007005"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A substance that is added to a chemical reaction."@en ; skos:inScheme ; skos:prefLabel "reagent"@en ; . voc4cat:0007006 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007006"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "active centre"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "Those sites for adsorption which are the effective sites for a particular heterogeneous catalytic reaction."@en ; skos:inScheme ; skos:prefLabel "active site"@en ; . voc4cat:0007007 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007007"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A type of catalytic test, where the performance of the catalyst is measured over an extended time period. Not to be performed at full conversion to be able to see catalyst deactivation, but usually also not at differential conditions to see the effect of product concentration on the catalyst."@en ; skos:inScheme ; skos:prefLabel "stability measurement"@en ; . voc4cat:0007008 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007008"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A type of catalytic test, where the depletion of formation of chemical substances is measured, usually performed under differential conditions"@en ; skos:inScheme ; skos:prefLabel "kinetic measurement"@en ; . voc4cat:0007009 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007009"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A name for a chemical reaction which assigns the reactants and (desired) products."@en ; skos:inScheme ; skos:prefLabel "reaction name"@en ; . voc4cat:0007010 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007010"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "reaction class"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A group of chemical reactions with common conditions or reactants, e.g. Oxidation, Hydrogenation, Reduction, Cracking."@en ; skos:inScheme ; skos:prefLabel "reaction type"@en ; . voc4cat:0007012 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007012"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A definition of best practice procedures to measure consistent datasets."@en ; skos:inScheme ; skos:prefLabel "handbook"@en ; . voc4cat:0007013 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007013"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "The temperature at which a chemical reaction is happening."@en ; skos:inScheme ; skos:prefLabel "reaction temperature"@en ; . voc4cat:0007014 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007014"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "Some characteristics that define the catalyst, which can be related to composition, active phase, or role."@en ; skos:inScheme ; skos:prefLabel "catalyst type"@en ; . voc4cat:0007015 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007015"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A catalyst that consists mainly of the active ingredient or phase."@en ; skos:inScheme ; skos:prefLabel "bulk catalyst"@en ; . voc4cat:0007018 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007018"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke provided the definition"@en ; skos:definition "A classification of chemical reactors based on the distinct design, configuration, and operational characteristics. Examples are stirred tank reactors, loop reactors, trickle beds, multitubular reactors, fluidized beds, and others. Each type is tailored to accomodate a specific combinations of reaction kinetics, thermodynamics, mass transfer requirements, and process variables."@en ; skos:inScheme ; skos:prefLabel "reactor design type"@en ; . voc4cat:0007019 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007019"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CSTR"@en ; skos:broader voc4cat:0007036 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A reaction vessel characterized by continuously fed reactnts, thorough mixing of fed reactants with the contents already present in the reactor by stirring and continous removal of a product stream from the system to maintain a constant volume."@en ; skos:inScheme ; skos:prefLabel "continuous stirred tank reactor"@en ; . voc4cat:0007020 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007020"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000188 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The part of the reactor where the catalyst is located, characterized by length, diameter, volume."@en ; skos:inScheme ; skos:prefLabel "catalyst bed"@en ; . voc4cat:0007021 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007021"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "apparent catalyst volume"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The bulk volume taken up by the catalyst and potential diluent in a fixed bed reactor."@en ; skos:inScheme ; skos:prefLabel "catalyst bed volume"@en ; . voc4cat:0007022 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007022"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The portion of a powder catalyst sample that passes through a standard sieve of specified number and is retained by some finer sieve."@en ; skos:inScheme ; skos:prefLabel "sieve fraction"@en ; . voc4cat:0007023 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007023"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "GHSV"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A physical quantity given by the volumetric flow entering a control volume divided by the size of the control volume; the quantity must be given in the unit 1/hour. In heterogeneous catalysis the volume of the undiluted catalyst bed is used as characteristic control volume. In case of gases the flow at reference conditions (0°C, 100 kPa = 1 bar) is used."@en ; skos:inScheme ; skos:prefLabel "gas hourly space velocity"@en ; . voc4cat:0007024 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007024"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "rate of reaction"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A physical quantity describing how fast a chemical reaction proceeds. It is defined by the change of the extend of reaction per unit of time."@en ; skos:inScheme ; skos:prefLabel "reaction rate"@en ; . voc4cat:0007025 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007025"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A reaction rate that is normalized either to mass of active ingredient, surface area or certain measured adsorption sites."@en ; skos:inScheme ; skos:prefLabel "specific reaction rate"@en ; . voc4cat:0007026 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007026"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "The number of datapoints per unit of time. Inverse of sampling interval."@en ; skos:inScheme ; skos:prefLabel "sampling frequency"@en ; . voc4cat:0007027 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007027"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A synthesis method in which a solid material (a precipitate) sediments from a liquid solution in which the material is present in a concentration greater than its solubility in the liquid."@en ; skos:inScheme ; skos:prefLabel "precipitation"@en ; . voc4cat:0007029 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007029"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A synthesis method involving the thermal treatment of a mixture of substances in aqueous solution or in form of a slurry in water characterised by heating the mixture in a sealed reaction vessel to a temperature greater than the boiling point at standard pressure ."@en ; skos:inScheme ; skos:prefLabel "hydrothermal synthesis"@en ; . voc4cat:0007030 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007030"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "Treatment of a solid substance or mixtures of solids at elevated temperatures."@en ; skos:inScheme ; skos:prefLabel "calcination"@en ; . voc4cat:0007031 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007031"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A method to synthesize mixed oxide/non-oxide powders by combustion of liquid precursor droplets in a flame."@en ; skos:inScheme ; skos:prefLabel "flame spray pyrolysis"@en ; . voc4cat:0007032 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007032"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A representative temperature value for the operating temperature of a reactor. In the special case of an isothermal chemical reactor, this is the same as the reaction temperature."@en ; skos:inScheme ; skos:prefLabel "reactor temperature"@en ; . voc4cat:0007038 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007038"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "The mass of a material sample."@en ; skos:inScheme ; skos:prefLabel "sample mass"@en ; . voc4cat:0007039 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007039"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "Collection of environmental variables of a reaction such as temperature, pressure, reagent concentrations and flow rate."@en ; skos:inScheme ; skos:prefLabel "reaction conditions"@en ; . voc4cat:0007040 a skos:Concept ; dcterms:created "2025-01-07"^^xsd:date ; dcterms:identifier "0007040"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "reaction mechanism"@en ; skos:broader voc4cat:0000181 ; skos:changeNote """2025-12-30 Complete rewrite of definition to be a clearly an information content entity (not a process) by gh:dalito 2025-01-20 Concept created by gh:chumannj"""@en ; skos:closeMatch ; skos:definition "An information content entity that represents the proposed sequence of elementary reactions and intermediate species through which a chemical transformation proceeds."@en ; skos:inScheme ; skos:prefLabel "chemical reaction mechanism"@en ; . voc4cat:0007041 a skos:Concept ; dcterms:created "2025-01-07"^^xsd:date ; dcterms:identifier "0007041"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "elementary step"@en ; skos:broader voc4cat:0000181 ; skos:changeNote """2025-12-30 Complete rewrite of definition folowing OBO-style genus-differentia by gh:dalito 2025-01-20 Concept created by gh:chumannj"""@en ; skos:closeMatch ; skos:definition "A chemical process that proceeds through a single transition state in one molecular event, encompassing bond formation, bond cleavage, adsorption, desorption, or surface migration."@en ; skos:inScheme ; skos:prefLabel "elementary reaction"@en ; . voc4cat:0007042 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007042"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007045 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The person carrying out a synthesis preparation."@en ; skos:inScheme ; skos:prefLabel "preparator"@en ; . voc4cat:0007043 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007043"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007045 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The person starting or carrying out a planned process."@en ; skos:inScheme ; skos:prefLabel "experimenter"@en ; . voc4cat:0007044 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007044"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The fractions of atoms of a specific chemical element located at the surface of a material versus the total number of atoms of this specific element in the material."@en ; skos:inScheme ; skos:prefLabel "dispersion"@en ; . voc4cat:0007046 a skos:Concept ; dcterms:created "2025-09-15"^^xsd:date ; dcterms:identifier "0007046"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "WHSV"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource,"@en ; skos:definition "A physical quantity given by the volumetric flow entering a catalytic reactor divided by the mass of the undiluted catalyst bed in this control volume. In case of gases the flow at reference conditions (0°C, 100 kPa = 1 bar) is used."@en ; skos:inScheme ; skos:prefLabel "weight hourly space velocity"@en ; . voc4cat:0007102 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007102"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "PFR model"@en ; skos:broader voc4cat:0007101 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "An abstract concept/ideal reactor model type in which a liquid flows uniformly through the tube, resulting in a straight wave/flow front. Each fluid element has the same residence time."@en ; skos:inScheme ; skos:prefLabel "plug flow reactor model"@en ; . voc4cat:0007105 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007105"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007104 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "An extension of the concept of the tubular reactor model, in that the fluid does not flow though a straight tube but through a tube with regular bends, e.g. a coiled tube, which modifies the residence time distribution as compared to a straight tube."@en ; skos:inScheme ; skos:prefLabel "coiled tubular reactor model"@en ; . voc4cat:0007106 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007106"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CSTR model"@en ; skos:broader voc4cat:0007103 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A stirred tank reactor model with always present feed and effluent streams."@en ; skos:inScheme ; skos:prefLabel "continuous stirred tank reactor model"@en ; . voc4cat:0007107 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007107"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "batch stirred tank reactor model"@en ; skos:broader voc4cat:0007103 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A stirred tank reactor model characterized by the absence of either feed or effluent flows. Examples modes of operation are batch (neither feed nor effluent), feed batch (only feed) , or drained batch (only effluent)."@en ; skos:inScheme ; skos:prefLabel "discontinuous stirred tank reactor model"@en ; . voc4cat:0007202 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007202"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "WE"@en ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrode in a three-electrode cell where \"the action is\"."@en ; skos:inScheme ; skos:prefLabel "working electrode"@en ; . voc4cat:0007203 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007203"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CE"@en ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrode in a three-electrode cell that is used only to make an electrical connection to the electrolyte so that a current can be applied to the working electrode."@en ; skos:inScheme ; skos:prefLabel "counter electrode"@en ; . voc4cat:0007204 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007204"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "reaction class"@en ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrode that has a well known and stable equilibrium electrode potential."@en ; skos:inScheme ; skos:prefLabel "reference electrode"@en ; . voc4cat:0007205 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007205"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electronic instrument that controls the electrical potential difference between the working and reference electrodes of a three-electrode cell at a preset value."@en ; skos:inScheme ; skos:prefLabel "potentiostat"@en ; . voc4cat:0007207 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007207"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CA"@en ; skos:broader voc4cat:0007237 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical measuring technique used for electrochemical analysis or for the determination of the kinetics and mechanism of electrode reactions. A fast-rising potential pulse is enforced on the working electrode of an electrochemical cell and the current flowing through this electrode is measured as a function of time."@en ; skos:inScheme ; skos:prefLabel "chronoamperometry"@en ; . voc4cat:0007208 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007208"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CP"@en ; skos:broader voc4cat:0007206 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical measuring technique used for electrochemical analysis or for the determination of the kinetics and mechanism of electrode reactions. A fast-rising current pulse is enforced on the working electrode of an electrochemical cell and the potential of this electrode is measured against a reference electrode as a function of time."@en ; skos:inScheme ; skos:prefLabel "chronopotentiometry"@en ; . voc4cat:0007209 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007209"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "EIS"@en ; skos:broader voc4cat:0007206 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A powerful tool for examining processes occurring at electrode surfaces. A small amplitude ac (sinusoidal) excitation signal (potential or current), covering a wide range of frequencies, is applied to the system under investigation and the response (current or voltage or another signal of interest) is measured. It is routinely used in electrode kinetics and mechanism investigations, and in the characterization of batteries, fuel cells, and corrosion phenomena."@en ; skos:inScheme ; skos:prefLabel "electrochemical impedance spectroscopy"@en ; . voc4cat:0007210 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007210"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "OCV"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The cell voltage under zero current conditions."@en ; skos:inScheme ; skos:prefLabel "open circuit voltage"@en ; . voc4cat:0007211 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007211"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "LSV"@en ; skos:broader voc4cat:0007237 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A voltammetry where the voltage changes linearly over time from a initial potential to a final potential."@en ; skos:inScheme ; skos:prefLabel "linear sweep voltammetry"@en ; . voc4cat:0007212 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007212"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CC"@en ; skos:broader voc4cat:0007206 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical measuring technique used for electrochemical analysis or for the determination of the kinetics and mechanism of electrode reactions. A fast-rising potential pulse is enforced on the working electrode of an electrochemical cell and the electrical charge passing through this electrode is measured as a function of time."@en ; skos:inScheme ; skos:prefLabel "chronocoulometry"@en ; . voc4cat:0007213 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007213"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "sweep rate potential"@en ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "In cyclic voltammetry, the rate at which the potential of the working electrode is varied, i.e., = (dE/dt). The value of is always cited as positive."@en ; skos:inScheme ; skos:prefLabel "scan rate potential"@en ; . voc4cat:0007214 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007214"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The minimal electrical potential in a cyclic voltammetry. This is where the sweep turns."@en ; skos:inScheme ; skos:prefLabel "lower limit potential"@en ; . voc4cat:0007215 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007215"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The maximal electrical potential in a cyclic voltammetry. This is where the sweep turns."@en ; skos:inScheme ; skos:prefLabel "upper limit potential"@en ; . voc4cat:0007216 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007216"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrical potential at which a linear sweep or cyclic voltammetry starts."@en ; skos:inScheme ; skos:prefLabel "initial potential"@en ; . voc4cat:0007217 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007217"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrical potential at which a linear sweep or cyclic voltammetry ends."@en ; skos:inScheme ; skos:prefLabel "final potential"@en ; . voc4cat:0007218 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007218"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007219 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrical potential difference at which the potential in a linear sweep or cyclic voltammetry is altered."@en ; skos:inScheme ; skos:prefLabel "step size potential"@en ; . voc4cat:0007221 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007221"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Current referred to the unit area of the electrode. Current divided by the true electrode area."@en ; skos:inScheme ; skos:prefLabel "current density"@en ; . voc4cat:0007222 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007222"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The measure of an electrical circuit element's inability to carry electrical current."@en ; skos:inScheme ; skos:prefLabel "resistance"@en ; . voc4cat:0007223 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007223"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The final environment in which the electrochemical reaction happens. Includes possibly purged electrolyte."@en ; skos:inScheme ; skos:prefLabel "electrochemical environment"@en ; . voc4cat:0007224 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007224"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A chemical compound (salt, acid, or base) that dissociates into electrically charged ions when dissolved in a solvent."@en ; skos:inScheme ; skos:prefLabel "electrolyte"@en ; . voc4cat:0007225 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007225"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The process of treating an electrolyte solution with gas."@en ; skos:inScheme ; skos:prefLabel "purging"@en ; . voc4cat:0007226 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007226"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Gas which is used in purging."@en ; skos:inScheme ; skos:prefLabel "purging gas"@en ; . voc4cat:0007227 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007227"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Temperature for which a gas is purged through the reaction chamber."@en ; skos:inScheme ; skos:prefLabel "purging temperature"@en ; . voc4cat:0007228 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007228"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The number of cycles in a measurement, such as a cyclic voltammetry."@en ; skos:inScheme ; skos:prefLabel "number of voltammetry cycles"@en ; . voc4cat:0007229 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007229"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The quotient of faradaic current to total current passed."@en ; skos:inScheme ; skos:prefLabel "faradaic efficiency"@en ; . voc4cat:0007230 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007230"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The collection of instruments and devices used in an electochemical reaction. Can include electrodes, flow cells, beaker, does not include the electrochemical environment."@en ; skos:inScheme ; skos:prefLabel "electrochemical setup"@en ; . voc4cat:0007231 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007231"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "becker"@en , "beker"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom."@en ; skos:inScheme ; skos:prefLabel "beaker"@en ; . voc4cat:0007232 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007232"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Electrochemical cell in which analyte solution flows at a constant velocity through stationary tubular electrode(s)."@en ; skos:inScheme ; skos:prefLabel "flow cell"@en ; . voc4cat:0007233 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007233"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "In voltammetry: a complementary pair of forward and reverse potential sweeps."@en ; skos:inScheme ; skos:prefLabel "voltammetry cycle"@en ; . voc4cat:0007234 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007234"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The phenomenon of movement (transportation) of electrical charge (that is, the electrical current) from one part of the electrochemical cell to another, occurring mainly as electromigration of ions, but it can also occur by diffusion of ions. See electrochemical potential."@en ; skos:inScheme ; skos:prefLabel "charge transport"@en ; . voc4cat:0007235 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007235"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "separator"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A thin structural material (usually a sheet) used to separate the electrolyte of a divided electrochemical cell into two or more compartments."@en ; skos:inScheme ; skos:prefLabel "membrane"@en ; . voc4cat:0007236 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007236"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "H-cell"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The H-Cell is a two-compartment electrochemical cell used for membrane testing, hydrogen permeation, or any other experiment where two separate electrode chambers are required."@en ; skos:inScheme ; skos:prefLabel "H cell"@en ; . voc4cat:0007238 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007238"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Graphical representation of the results of a voltammetric measurement."@en ; skos:inScheme ; skos:prefLabel "voltammogramm"@en ; . voc4cat:0007240 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007240"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Impedance is the analogue of the resistance when applied to alternating current. That is, it is a measure of a circuit element's inability to carry the electrical current."@en ; skos:inScheme ; skos:prefLabel "impedance"@en ; . voc4cat:0007241 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007241"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007239 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Initial frequency in for example an electrochemical impedance spectroscopy."@en ; skos:inScheme ; skos:prefLabel "initial frequency"@en ; . voc4cat:0007242 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007242"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007239 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Final frequency in for example an electrochemical impedance spectroscopy."@en ; skos:inScheme ; skos:prefLabel "final frequency"@en ; . voc4cat:0007243 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007243"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "RHE"@en ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A commonly used reference electrode. A hydrogen electrode immersed directly into the electrolyte of the electrochemical cell and usually (unless otherwise stated) operated with one atmosphere pressure hydrogen gas. The equilibrium potential depends on the hydrogen ion concentration (strictly speaking, activity) of the cell electrolyte."@en ; skos:inScheme ; skos:prefLabel "reversible hydrogen electrode"@en ; . voc4cat:0007245 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007245"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The mass per area on a thin film sample, i.e. the working electrode."@en ; skos:inScheme ; skos:prefLabel "mass coverage"@en ; . voc4cat:0007246 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007246"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A liquid that dissolves another material."@en ; skos:inScheme ; skos:prefLabel "solvent"@en ; . voc4cat:0007247 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007247"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The dissolved species (e.g., a salt) in a solution."@en ; skos:inScheme ; skos:prefLabel "solute"@en ; . voc4cat:0007248 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007248"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "RDE"@en , "rotating disk electrode"@en ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A specialized hydrodynamic electrode used in the study of the kinetics and mechanism of electrode reactions and in electroanalysis for ensuring a known and controllable flow of solution over the electrode."@en ; skos:inScheme ; skos:prefLabel "rotating-disk electrode"@en ; . voc4cat:0007250 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007250"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Equipment used in an electrochemical setup."@en ; skos:inScheme ; skos:prefLabel "electrochemical equipment"@en ; . voc4cat:0007251 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007251"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "OCP measurement"@en , "OCV measurement"@en ; skos:broader voc4cat:0000184 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The measurement of the open circuit voltage of an electrochemical cell."@en ; skos:inScheme ; skos:prefLabel "open circuit voltage measurement"@en ; . voc4cat:0007252 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007252"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A basic property of matter that gives rise to all electric and magnetic forces and interactions."@en ; skos:inScheme ; skos:prefLabel "electrical charge"@en ; . voc4cat:0007253 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007253"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Charge referred to the unit area of the electrode. Charge divided by electrode area."@en ; skos:inScheme ; skos:prefLabel "electrical charge density"@en ; . voc4cat:0007254 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007254"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrode where reduction occurs in an electrochemical cell. It is the negative electrode in an electrolytic cell, while it is the positive electrode in a galvanic cell."@en ; skos:inScheme ; skos:prefLabel "cathode"@en ; . voc4cat:0007255 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007255"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007201 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The electrode where oxidation occurs in an electrochemical cell. It is the positive electrode in an electrolytic cell, while it is the negative electrode in a galvanic cell."@en ; skos:inScheme ; skos:prefLabel "anode"@en ; . voc4cat:0007256 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007256"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007249 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical cell that converts chemical energy into electrical energy. A cell in which chemical reactions occur spontaneously at the electrodes when they are connected through an external circuit, producing an electrical current."@en ; skos:inScheme ; skos:prefLabel "galvanic cell"@en ; . voc4cat:0007257 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007257"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007249 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical cell that converts electrical energy into chemical energy. The chemical reactions do not occur \"spontaneously\" at the electrodes when they are connected through an external circuit. The reaction must be forced by applying an external electrical current."@en ; skos:inScheme ; skos:prefLabel "electrolytic cell"@en ; . voc4cat:0007258 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007258"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "true electrode area"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "In contrast to substrate area, the actual area of a sample or electrode which is active."@en ; skos:inScheme ; skos:prefLabel "active area"@en ; . voc4cat:0007259 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007259"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007220 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The current that is flowing through an electrochemical cell and is causing (or is caused by) chemical reactions (charge transfer) occurring at the electrode surfaces."@en ; skos:inScheme ; skos:prefLabel "faradaic current"@en ; . voc4cat:0007260 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007260"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A measure of the time taken for a solute to pass through a chromatography column. It is the mean of the residence time distribution; it is known as the first moment of the residence time distribution."@en ; skos:inScheme ; skos:prefLabel "retention time"@en ; . voc4cat:0007261 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007261"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A measure which is proportional to the amount of a product with a specific retention time. After calibration it is used to calculate gas concentrations of products of an chemical experiment."@en ; skos:inScheme ; skos:prefLabel "peak area"@en ; . voc4cat:0007262 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007262"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The thickness of the membrane."@en ; skos:inScheme ; skos:prefLabel "membrane thickness"@en ; . voc4cat:0007263 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007263"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The sum of all faradaic efficiencies in an experiment. If all current is accounted for should be 1."@en ; skos:inScheme ; skos:prefLabel "total faradaic efficiency"@en ; . voc4cat:0007793 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007793"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A substance that is added to a reaction or material and influences the reaction outcome or material properties."@en ; skos:inScheme ; skos:prefLabel "additive"@en ; . voc4cat:0007794 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007794"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A substance which is used as starting material for the synthesis of a functional material, for example a catalyst, and is transformed during the synthesis."@en ; skos:inScheme ; skos:prefLabel "precursor"@en ; . voc4cat:0007795 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007795"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "co precipitation"@en , "coprecipitation"@en ; skos:broader voc4cat:0007016 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A synthesis method for chemical substances which includes the simultaneous precipitation of two or more precursors."@en ; skos:inScheme ; skos:prefLabel "co-precipitation"@en ; . voc4cat:0007803 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007803"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TON"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "The number of converted substrate molecules per active catalytic site."@en ; skos:inScheme ; skos:prefLabel "turnover number"@en ; . voc4cat:0007806 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007806"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "IWI"@en ; skos:broader voc4cat:0007028 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A synthesis method in which inorganic compounds are dissolved in a solvent and brought into contact with a solid support in order to deposit them. The volume of the solution corresponds exactly to the pore volume."@en ; skos:inScheme ; skos:prefLabel "incipient wetness impregnation"@en ; . voc4cat:0007807 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007807"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "operando characterization"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Characterization during the ongoing catalytic process whereby the catalytic activity is measured simultaneously."@en ; skos:inScheme ; skos:prefLabel "operando analysis"@en ; . voc4cat:0007808 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007808"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "in situ analysis"@en , "in situ characterization"@en , "in-situ characterization"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Characterization under the catalytic conditions without measuring the catalytic activity simultaneously."@en ; skos:inScheme ; skos:prefLabel "in-situ analysis"@en ; . voc4cat:0007811 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007811"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005056 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Liquid fraction which is collected from the catalytic reaction mixture for analysis."@en ; skos:inScheme ; skos:prefLabel "liquid sample"@en ; . voc4cat:0007812 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007812"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gas sample"@en ; skos:broader voc4cat:0005056 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Gaseous fraction which is collected from the catalytic reaction mixture for analysis."@en ; skos:inScheme ; skos:prefLabel "gaseous sample"@en ; . voc4cat:0007813 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007813"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "liquid phase characterization"@en , "liquid-phase analysis"@en , "liquid-phase characterization"@en ; skos:broader voc4cat:0000129 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Analysis of the liquid sample from a catalytic test."@en ; skos:inScheme ; skos:prefLabel "liquid phase analysis"@en ; . voc4cat:0007814 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007814"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gas phase characterization"@en , "gas-phase analysis"@en , "gas-phase characterization"@en ; skos:broader voc4cat:0000129 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Analysis of the gaseous sample from a catalytic test."@en ; skos:inScheme ; skos:prefLabel "gas phase analysis"@en ; . voc4cat:0007817 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007817"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TOF"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "The number of converted substrate molecules per active catalytic site per time which is equal to the turnover number per time."@en ; skos:inScheme ; skos:prefLabel "turnover frequency"@en ; . voc4cat:0007828 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007828"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A compound that is used to generate a calibration curve which can then be used to determine the concentration of a compound in a reaction mixture."@en ; skos:inScheme ; skos:prefLabel "external standard"@en ; . voc4cat:0007829 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007829"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A compound that is added in a known concentration to a product mixture to determine the concentration of another compound."@en ; skos:inScheme ; skos:prefLabel "internal standard"@en ; . voc4cat:0007838 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007838"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "The sum of all products after a catalytic reaction which is analysed to measure the catalytic performance."@en ; skos:inScheme ; skos:prefLabel "product mixture"@en ; . voc4cat:0007839 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007839"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Description if a substance is brought into a homogeneous solution in the presence of a liquid solvent or if it remains (partly) undissolved."@en ; skos:inScheme ; skos:prefLabel "solubility"@en ; . voc4cat:0007840 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007840"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000049 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "A step within the synthesis of a catalyst whereby a precursor is dissolved or dispersed in a solution."@en ; skos:inScheme ; skos:prefLabel "solvation"@en ; . voc4cat:0007844 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007844"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "Ratio of the amount of one substance compared to the amount of another substance."@en ; skos:inScheme ; skos:prefLabel "molar equivalent"@en ; . voc4cat:0008101 a skos:Concept ; dcterms:created "2025-12-28"^^xsd:date ; dcterms:identifier "0008101"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0001-5161-4801 Arjun Neyyathala created this resource"@en ; skos:definition "The loss of catalytically active species from a solid catalyst into the surrounding reaction medium."@en ; skos:inScheme ; skos:prefLabel "catalyst leaching"@en ; . voc4cat:0008102 a skos:Concept ; dcterms:created "2025-12-28"^^xsd:date ; dcterms:identifier "0008102"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0001-5161-4801 Arjun Neyyathala created this resource"@en ; skos:definition "The progressive loss of catalytic activity and/or selectivity over time. Typically caused by factors such as chemical poisoning, fouling, thermal degradation, chemical degradation, or mechanical failure."@en ; skos:inScheme ; skos:prefLabel "catalyst deactivation"@en ; . voc4cat:0008201 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008201"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A category of analytical approaches defined by a shared measurement principle or detection mechanism (e.g., chromatography, mass spectrometry) used to obtain quantity values in analysis."@en ; skos:inScheme ; skos:prefLabel "analytical measurement technique"@en ; . voc4cat:0008202 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0008202"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A component of a material that directly or indirectly influences its catalytic properties."@en ; skos:inScheme ; skos:prefLabel "catalyst component"@en ; . voc4cat:0008203 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0008203"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A reagent which is added to a liquid solution to induce precipitation by reduction of solubility."@en ; skos:inScheme ; skos:prefLabel "precipitation agent"@en ; . voc4cat:0008204 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008204"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "aging duration"@en , "maturation time"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The duration during which a material, mixture, or suspension is kept under controlled conditions without further processing to allow time‑dependent structure‑ or property‑defining processes to proceed."@en ; skos:inScheme ; skos:prefLabel "aging time"@en ; . voc4cat:0008205 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008205"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "rinse solvent"@en , "rinsing medium"@en , "wash liquid"@en , "washing solvent"@en ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The fluid used to remove residual reagents, by‑products, or adsorbates from a material or catalyst during a washing step, specified by its composition and purity."@en ; skos:inScheme ; skos:prefLabel "washing medium"@en ; . voc4cat:0008206 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008206"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "drying duration"@en , "drying period"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The period during which volatile components such as solvents or water are removed from a material under defined conditions."@en ; skos:inScheme ; skos:prefLabel "drying time"@en ; . voc4cat:0008207 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0008207"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The temperature at which a material is maintained during drying to control the removal of volatile constituents."@en ; skos:inScheme ; skos:prefLabel "drying temperature"@en ; . voc4cat:0008208 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008208"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007809 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The gaseous environment present during drying of a material (e.g., air, nitrogen, oxygen, vacuum)."@en ; skos:inScheme ; skos:prefLabel "drying atmosphere"@en ; . voc4cat:0008209 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0008209"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The fractions of analytes in a samples as determined by an analytical method."@en ; skos:inScheme ; skos:prefLabel "composition"@en ; . voc4cat:0008210 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008210"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "ICP-OES"@en ; skos:broader voc4cat:0008218 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "An analytical technique that uses a high‑temperature argon plasma to excite atoms and ions in a sample so they emit light at characteristic wavelengths for the purpose of determining the type and concentration of elements present, typically at trace to ultra‑trace levels."@en ; skos:inScheme ; skos:prefLabel "inductively coupled plasma optical emission spectrometry"@en ; . voc4cat:0008211 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008211"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "ICP-MS"@en ; skos:broader voc4cat:0000137 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "An analytical technique that uses a high‑temperature argon plasma to ionize elements in a sample and a mass spectrometer to separate and quantify those ions based on their mass‑to‑charge ratio enabling highly sensitive, multi‑element trace and ultra‑trace analysis."@en ; skos:inScheme ; skos:prefLabel "inductively coupled plasma mass spectrometry"@en ; . voc4cat:0008212 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008212"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A measure of the characteristic linear dimension of a particle in a sample, typically reported as diameter, equivalent diameter, or another size metric determined by an appropriate measurement method."@en ; skos:inScheme ; skos:prefLabel "particle size"@en ; . voc4cat:0008213 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008213"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "LHSV"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A physical quantity given by the volumetric flow of a liquid feed entering a catalytic reactor divided by the volume of the undiluted catalyst bed in this control volume; the quantity must be given in the unit 1/hour. The liquid flow rate is typically expressed at the operating conditions of the feed unless otherwise specified."@en ; skos:inScheme ; skos:prefLabel "liquid hourly space velocity"@en ; . voc4cat:0008214 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008214"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007244 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "Concentration of the inert gas used to perform an experiment."@en ; skos:inScheme ; skos:prefLabel "inert gas concentration"@en ; . voc4cat:0008215 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008215"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "NH3-TPD"@en , "ammonia TPD"@en ; skos:broader voc4cat:0008218 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A temperature‑programmed desorption experiment that uses ammonia as a probe molecule to quantify the amount and strength distribution of acidic surface sites on a catalyst by monitoring NH₃ desorption under a controlled heating rate."@en ; skos:inScheme ; skos:prefLabel "Ammonia temperature programmed desorption"@en ; . voc4cat:0008216 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008216"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CO2-TPD"@en , "carbon dioxide TPD"@en ; skos:broader voc4cat:0008218 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A temperature‑programmed desorption experiment that uses carbon dioxide as a probe molecule to characterise basic surface sites on solids by measuring CO₂ desorption as the sample is heated at a defined rate."@en ; skos:inScheme ; skos:prefLabel "Carbon dioxide temperature programmed desorption"@en ; . voc4cat:0008217 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008217"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "bed height"@en , "catalyst layer height"@en , "packed bed height"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The axial length of the packed catalyst section in a reactor, measured along the direction of flow between the defined bed boundaries."@en ; skos:inScheme ; skos:prefLabel "catalyst bed height"@en ; . voc4cat:0008219 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008219"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A generic description of the logical sequence of operations based on a stated measurement principle to produce measurement results, typically further specified as a detailed measurement procedure for implementation."@en ; skos:inScheme ; skos:prefLabel "analytical measurement method"@en ; . voc4cat:0000003 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000003"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A material with electrical conductivity between that of a conductor and an insulator."@en ; skos:inScheme ; skos:prefLabel "semiconductor"@en ; . voc4cat:0000004 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000004"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Broad families of semiconducting materials (e.g., metal oxides) that can be used as catalysts in various applications."@en ; skos:inScheme ; skos:prefLabel "categories of semiconductors"@en ; . voc4cat:0000005 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000005"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical compound formed by the reaction of a metal with oxygen."@en ; skos:inScheme ; skos:prefLabel "metal oxide"@en ; . voc4cat:0000006 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000006"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Characteristic properties of a semiconductor used in catalysis. These properties determine its performance in the studied catalytic application."@en ; skos:inScheme ; skos:prefLabel "semiconductor property"@en ; . voc4cat:0000007 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000007"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "EF"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The energy level in a semiconductor where the probability of finding an electron is 0.5."@en ; skos:inScheme ; skos:prefLabel "Fermi level"@en ; . voc4cat:0000008 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000008"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The degree of a three-dimensional structural order of atoms which constitute the crystal lattice of a material."@en ; skos:inScheme ; skos:prefLabel "crystallinity"@en ; . voc4cat:0000009 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000009"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The range of pore sizes in a material."@en ; skos:inScheme ; skos:prefLabel "pore size distribution"@en ; . voc4cat:0000010 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000010"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "Eg"@en , "energy bandgap"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The energy difference between a semiconductor’s valence band top and conduction band bottom, which is required to excite an electron from the former to the latter."@en ; skos:inScheme ; skos:prefLabel "bandgap energy"@en ; . voc4cat:0000011 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000011"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "VB"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The band of energy levels in a solid fully occupied by electrons at 0 K (273.15 °C)."@en ; skos:inScheme ; skos:prefLabel "valence band"@en ; . voc4cat:0000012 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000012"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CB"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The energy band of electronic levels of partially or fully filled mobile electrons in a metal or a semiconductor."@en ; skos:inScheme ; skos:prefLabel "conduction band"@en ; . voc4cat:0000013 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000013"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "SSA"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Α measure of the total surface area of a material per unit mass or volume."@en ; skos:inScheme ; skos:prefLabel "specific surface area"@en ; . voc4cat:0000017 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000017"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalyst introduced to the reaction chamber in the form of a powder."@en ; skos:inScheme ; skos:prefLabel "powdered catalyst"@en ; . voc4cat:0000018 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000018"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Mass of a powdered catalyst used for an experiment."@en ; skos:inScheme ; skos:prefLabel "powder mass"@en ; . voc4cat:0000021 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000021"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "spray-coating"@en ; skos:broader voc4cat:0000020 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique used to deposit uniform thin films onto a substrate by spraying a solution of the material onto the surface."@en ; skos:inScheme ; skos:prefLabel "spray coating"@en ; . voc4cat:0000022 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000022"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000020 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A tape-casting method used to deposit thin films of a catalyst onto the surface of a substrate."@en ; skos:inScheme ; skos:prefLabel "doctor blading"@en ; . voc4cat:0000023 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000023"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "spin casting"@en , "spin-casting"@en , "spin-coating"@en ; skos:broader voc4cat:0000020 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique used to deposit uniform thin films onto a substrate (e.g., metal or glass) by spinning at high speeds a solution (paste) of the material onto the surface."@en ; skos:inScheme ; skos:prefLabel "spin coating"@en ; . voc4cat:0000025 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000025"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The material that the substrate is made of. Common materials include: glass (conductive or not), ceramics and metal."@en ; skos:inScheme ; skos:prefLabel "substrate material"@en ; . voc4cat:0000026 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000026"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000024 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A flat surface made of a metal (e.g., titanium, stainless steel) serving as a substrate for the deposition of a catalyst."@en ; skos:inScheme ; skos:prefLabel "metallic substrate"@en ; . voc4cat:0000028 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000028"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "FTO"@en , "FTO glass"@en ; skos:broader voc4cat:0000027 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Transparent conductive metal oxide (fluorine doped tin oxide) that can be used in the fabrication of transparent electrodes for thin films."@en ; skos:inScheme ; skos:prefLabel "fluorine doped tin oxide coated glass"@en ; . voc4cat:0000029 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000029"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "ITO"@en , "ITO glass"@en ; skos:broader voc4cat:0000027 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Transparent conductive metal oxide (indium tin oxide) that can be used in the fabrication of transparent electrodes for thin films."@en ; skos:inScheme ; skos:prefLabel "indium tin oxide coated glass"@en ; . voc4cat:0000030 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000030"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000027 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A resistant to thermal shock type of glass, composed mainly of silica and boron trioxide."@en ; skos:inScheme ; skos:prefLabel "borosilicate glass"@en ; . voc4cat:0000031 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000031"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "quartz"@en ; skos:broader voc4cat:0000027 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of pure silicon dioxide, highly crystalline glass that allows the transmission of light in the UV wavelength range."@en ; skos:inScheme ; skos:prefLabel "quartz glass"@en ; . voc4cat:0000032 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000032"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000024 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A surface made of a ceramic material (e.g., alumina) serving as a substrate for the deposition of a catalyst."@en ; skos:inScheme ; skos:prefLabel "ceramic substrate"@en ; . voc4cat:0000034 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000034"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000033 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The width of the substrate."@en ; skos:inScheme ; skos:prefLabel "substrate width"@en ; . voc4cat:0000035 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000035"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000033 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The depth of the substrate."@en ; skos:inScheme ; skos:prefLabel "substrate depth"@en ; . voc4cat:0000036 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000036"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000033 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The thickness of the substrate."@en ; skos:inScheme ; skos:prefLabel "substrate thickness"@en ; . voc4cat:0000037 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000037"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "substrate surface area"@en ; skos:broader voc4cat:0000033 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The surface area of the substrate."@en ; skos:inScheme ; skos:prefLabel "substrate area"@en ; . voc4cat:0000038 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000038"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A thin film of the catalyst deposited on an appropriate for the application substrate."@en ; skos:inScheme ; skos:prefLabel "deposited sample"@en ; . voc4cat:0000039 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000039"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Mass of catalyst deposited onto the surface of a substrate."@en ; skos:inScheme ; skos:prefLabel "thin film mass"@en ; . voc4cat:0000041 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000041"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000040 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The width of the film of the deposited catalyst."@en ; skos:inScheme ; skos:prefLabel "thin film width"@en ; . voc4cat:0000042 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000042"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000040 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The thickness of the film of the deposited catalyst."@en ; skos:inScheme ; skos:prefLabel "thin film thickness"@en ; . voc4cat:0000043 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000043"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000040 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The depth of the film of the deposited catalyst."@en ; skos:inScheme ; skos:prefLabel "thin film depth"@en ; . voc4cat:0000044 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000044"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000040 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The area of the substrate covered by the deposited catalyst."@en ; skos:inScheme ; skos:prefLabel "thin film area"@en ; . voc4cat:0000045 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000045"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process by which one or more chemical reactions are performed with the aim of converting a reactant or starting material into a product or multiple products."@en ; skos:inScheme ; skos:prefLabel "synthesis"@en ; . voc4cat:0000047 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000047"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000046 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Assembly of literature research to include only the most relevant sources of information for the application / experiment / catalysts of interest."@en ; skos:inScheme ; skos:prefLabel "literature collection"@en ; . voc4cat:0000048 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000048"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000046 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Addition and organization of relevant literature of interest using a citation management software (e.g., Mendeley, Zotero, EndNote etc.) allowing for easy access and categorization."@en ; skos:inScheme ; skos:prefLabel "literature organization"@en ; . voc4cat:0000050 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000050"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Duration of each synthesis step needed to synthesize the desired catalyst."@en ; skos:inScheme ; skos:prefLabel "synthesis duration"@en ; . voc4cat:0000051 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000051"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Temperature externally applied (if necessary) in any of the synthesis step. Higher temperature values can be observed if an exothermic reaction takes place during the synthesis."@en ; skos:inScheme ; skos:prefLabel "synthesis temperature"@en ; . voc4cat:0000052 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000052"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The pH value in each of the synthesis steps."@en ; skos:inScheme ; skos:prefLabel "synthesis pH"@en ; . voc4cat:0000053 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000053"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Pressure applied (if necessary) in any of the synthesis step. Changes in the pressure may be observed if variations in the temperature of the reaction occur (e.g., exothermic reaction)."@en ; skos:inScheme ; skos:prefLabel "synthesis pressure"@en ; . voc4cat:0000054 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000054"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "calcination"@en , "heat treatment"@en , "heat-treatment"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Heat treatment to reach the desired final catalyst. The parameters of the heat treatment can vary between each calcination step."@en ; skos:inScheme ; skos:prefLabel "calcination step"@en ; . voc4cat:0000055 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000055"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gaseous environment in calcination"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A gas flow under which the calcination step takes place (e,g,, Ar or synthetic air)."@en ; skos:inScheme ; skos:prefLabel "calcination gaseous environment"@en ; . voc4cat:0000056 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000056"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gas flow rate in calcination"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The flow of gas (usually in ml min-1) used in the calcination steps during synthesis."@en ; skos:inScheme ; skos:prefLabel "calcincation gas flow rate"@en ; . voc4cat:0000057 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000057"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Initial temperature of the calcination step."@en ; skos:inScheme ; skos:prefLabel "calcination initial temperature"@en ; . voc4cat:0000058 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000058"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Final temperature of the calcination step."@en ; skos:inScheme ; skos:prefLabel "calcination final temperature"@en ; . voc4cat:0000059 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000059"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Rate of increasing or decreasing the temperature during the calcination step. Usually mentioned in K min-1."@en ; skos:inScheme ; skos:prefLabel "calcination heating rate"@en ; . voc4cat:0000060 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000060"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Time (usually in h) for which a desired temperature is held."@en ; skos:inScheme ; skos:prefLabel "calcination dwelling time"@en ; . voc4cat:0000061 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000061"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Equipment used in each step of the synthesis of the catalysts. The equipment can include (but not limited to): crucibles, pH meters, condensers, volumetric cylinders, centrifuges, test tubes, flasks, beakers, mechanical shakers, pipettes, syringes, magnetic stirrers, heating plates, filters, funnels, and digital balances."@en ; skos:inScheme ; skos:prefLabel "synthesis equipment"@en ; . voc4cat:0000062 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000062"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Chemical substances used in the synthesis process of a desired catalyst."@en ; skos:inScheme ; skos:prefLabel "chemical substance for synthesis"@en ; . voc4cat:0000063 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000063"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Mass of chemicals used for synthesis."@en ; skos:inScheme ; skos:prefLabel "mass of chemical substance for synthesis"@en ; . voc4cat:0000064 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000064"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Volume of chemicals used for synthesis."@en ; skos:inScheme ; skos:prefLabel "volume of chemical substance for synthesis"@en ; . voc4cat:0000065 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000065"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Concentration of chemicals used for synthesis."@en ; skos:inScheme ; skos:prefLabel "concentration of chemical substance for synthesis"@en ; . voc4cat:0000085 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000085"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000084 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Τhe lowest energy state of a system."@en ; skos:inScheme ; skos:prefLabel "ground state"@en ; . voc4cat:0000086 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000086"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000084 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Τhe temporary state of a system with higher energy than its ground state caused by an external factor."@en ; skos:inScheme ; skos:prefLabel "excited state"@en ; . voc4cat:0000087 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000087"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A multi-step process iniatiated by the absorption of photons by a photocatalyst. This process involves various sub-processes that include the photogeneration and transfer of electron and hole pairs."@en ; skos:inScheme ; skos:prefLabel "photocatalytic process"@en ; . voc4cat:0000088 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000088"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann edited the resource"@en ; skos:definition "The transfer of an electron initiated by the absorption of a photon of sufficient energy."@en ; skos:inScheme ; skos:prefLabel "photoinduced electron transfer"@en ; . voc4cat:0000089 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000089"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The transfer of a hole initiated by the absorption of a photon of sufficient energy."@en ; skos:inScheme ; skos:prefLabel "photoinduced hole transfer"@en ; . voc4cat:0000090 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000090"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "charge photo-generation"@en , "charge photogeneration"@en , "electron excitation"@en , "electron-hole pair"@en , "photogenerated charges"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The generation of electron - hole pairs in a semiconductor as a result of light absorption of sufficient energy to overcome the bandgap energy. Electrons (negative charge) get excited to the conduction band, while holes (positive charge) remain in the valence band."@en ; skos:inScheme ; skos:prefLabel "photoinduced charge generation"@en ; . voc4cat:0000091 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000091"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process by which photogenerated charges (electrons and holes) in a semiconductor recombine, resulting in the dissipation of energy in the form of e.g., heat or light."@en ; skos:inScheme ; skos:prefLabel "charge recombination"@en ; . voc4cat:0000094 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000094"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process under which reactants, intermediates and products are released from the surface of the catalyst. Desorption can be facilitated by an increase in temperature or a change in the pH."@en ; skos:inScheme ; skos:prefLabel "desorption"@en ; . voc4cat:0000095 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000095"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process of separating positive and negative charges in a semiconductor, typically as a result of an external force, (e.g., photoexcitation)."@en ; skos:inScheme ; skos:prefLabel "charge separation"@en ; . voc4cat:0000096 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000096"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "photo-excitation"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The state caused by the transition of electrons from the valence band top to the conduction band bottom by absorption of photons of sufficient energy."@en ; skos:inScheme ; skos:prefLabel "photoexcitation"@en ; . voc4cat:0000099 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000099"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CO2 photoreduction"@en , "artificial photosynthesis"@en , "carbon dioxide photoreduction"@en , "photocatalytic carbon dioxide reduction"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The light-driven reduction (conversion) of carbon dioxide (CO2) to hydrocarbons and / or platform chemicals in presence of water. The absorption of light and the adsorption of the reactants is performed by a photocatalyst (usually a metal oxide)."@en ; skos:inScheme ; skos:prefLabel "photocatalytic CO2 reduction"@en ; . voc4cat:0000100 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000100"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A lab-scale experiment performed to test the efficiency of a studied photocatalyst in a photocatalytic application."@en ; skos:inScheme ; skos:prefLabel "photocatalytic experiment"@en ; . voc4cat:0000101 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000101"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A starting substance that undergoes a chemical reaction to produce a desired product."@en ; skos:inScheme ; skos:prefLabel "reactant"@en ; . voc4cat:0000102 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000102"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Concentration of the reactants used to perform an experiment."@en ; skos:inScheme ; skos:prefLabel "reactant concentration"@en ; . voc4cat:0000103 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000103"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Purity of reactants used in an experiment. Purity is a measure of the impurities contained in the reactants' supply. The highest purity reactants should be used to ensure the collection of reliable results."@en ; skos:inScheme ; skos:prefLabel "reactant purity"@en ; . voc4cat:0000104 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000104"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The rate of flow of reactants (often in ml per min) in the photoreactor. Flow rates are usually controlled by mass flow controllers (MFCs)."@en ; skos:inScheme ; skos:prefLabel "reactant flow rate"@en ; . voc4cat:0000106 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000106"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000105 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A molecule that accepts electrons from photoexcited species in a redox reaction and is subsequently consumed or degraded."@en ; skos:inScheme ; skos:prefLabel "sacrificial acceptor"@en ; . voc4cat:0000107 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000107"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000105 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A molecule that donates electrons from photoexcited species in a redox reaction and is subsequently consumed or degraded."@en ; skos:inScheme ; skos:prefLabel "sacrificial donor"@en ; . voc4cat:0000109 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000109"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "continuous flow mode"@en , "continuous-flow mode"@en , "flow mode"@en , "flow-mode"@en ; skos:broader voc4cat:0000108 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Under flow conditions, a continuous flow of reactants is supplied to the reaction chamber and the formed products are removed and identified by an appropriate technique."@en ; skos:inScheme ; skos:prefLabel "flow operation"@en ; . voc4cat:0000110 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000110"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "batch mode"@en , "batch-mode"@en ; skos:broader voc4cat:0000108 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Operation mode in which the reaction chamber is filled with the (reactant) gas(es) up to a certain pressure, and the reaction products accummulate over time."@en ; skos:inScheme ; skos:prefLabel "batch operation"@en ; . voc4cat:0000111 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000111"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The total duration of an experiment."@en ; skos:inScheme ; skos:prefLabel "experiment duration"@en ; . voc4cat:0000112 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000112"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Time for which a gas is purged through the reaction chamber."@en ; skos:inScheme ; skos:prefLabel "purging duration"@en ; . voc4cat:0000113 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000113"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The time in between the collection of two data points."@en ; skos:inScheme ; skos:prefLabel "sampling interval"@en ; . voc4cat:0000114 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000114"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The total duration in which a catalyst is under irradiation by the selected light source."@en ; skos:inScheme ; skos:prefLabel "irradiation duration"@en ; . voc4cat:0000116 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000116"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000115 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The temperature at the initiaton of the experiment."@en ; skos:inScheme ; skos:prefLabel "experiment initial temperature"@en ; . voc4cat:0000117 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000117"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000115 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The temperature at the end of the experiment."@en ; skos:inScheme ; skos:prefLabel "experiment final temperature"@en ; . voc4cat:0000119 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000119"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000118 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The pressure at the initiaton of the experiment or before a sampling event."@en ; skos:inScheme ; skos:prefLabel "experiment initial pressure"@en ; . voc4cat:0000120 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000120"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000118 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The pressure at the end of the experiment or after a sampling event."@en ; skos:inScheme ; skos:prefLabel "experiment final pressure"@en ; . voc4cat:0000121 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000121"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The pressure drop occurring when collecting a gaseous sample from the reaction chamber. This pressure drop should be taken into consideration when calculating the concentration of formed products."@en ; skos:inScheme ; skos:prefLabel "experiment pressure drop"@en ; . voc4cat:0000122 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000122"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "sample pretreatment"@en ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource,0000-0002-5561-4320 Ivo Kuehnrich, and 0000-0001-5886-7860 Hendrik Borgelt contributed to the definition of the resource"@en ; skos:definition "Pre-treatment of a catalyst before the reaction is initiated."@en ; skos:inScheme ; skos:prefLabel "sample pre-treatment"@en ; . voc4cat:0000123 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000123"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "control experiment"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Measurements performed to ensure that the studied catalytic reaction occurs because of the interaction of the catalyst with the reactants under the selected experimental conditions, and not from the environment or the reactor."@en ; skos:inScheme ; skos:prefLabel "blank experiment"@en ; . voc4cat:0000124 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000124"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Quantitative and qualitative evaluation of the outcome of a catalytic reaction. The evaluation can lead to changes in the synthesis of the catalyst and / or selecting different experimental parameters."@en ; skos:inScheme ; skos:prefLabel "evaluation"@en ; . voc4cat:0000126 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000126"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "AQY"@en , "AQY%"@en , "apparent photonic yield"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A measure of the efficiency of a photocatalytic reaction. It is expressed as the number of consumed charge carriers divided by the number of incident photons."@en ; skos:inScheme ; skos:prefLabel "apparent quantum yield"@en ; . voc4cat:0000127 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000127"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The concentration (usually in ppm or mol) of the products formed during a reaction."@en ; skos:inScheme ; skos:prefLabel "product concentration"@en ; . voc4cat:0000128 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000128"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "photoreactor engineering"@en , "reactor design"@en , "reactor engineering"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Details describing the construction, physical dimensions, and operation of the photoreactor used to perform a photocatalytic reaction."@en ; skos:inScheme ; skos:prefLabel "photoreactor design"@en ; . voc4cat:0000131 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000131"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000191 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Detectors of the gas chromatogragh used to identify the reaction products and intemediates."@en ; skos:inScheme ; skos:prefLabel "gas chromatograph detector"@en ; . voc4cat:0000132 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000132"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "FID"@en ; skos:broader voc4cat:0000191 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of gas chromatography detector that detects and quantifies the concentration of organic compounds in a gas sample emerging from a column, by measuring the electrical current generated by ionized gas constituents in a hydrogen flame."@en ; skos:inScheme ; skos:prefLabel "flame ionization detector"@en ; . voc4cat:0000133 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000133"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TCD"@en ; skos:broader voc4cat:0000191 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of gas chromatography detector that measures the thermal conductivity of a gas sample and identifies its constituent molecules through changes in a filament’s temperature."@en ; skos:inScheme ; skos:prefLabel "thermal conductivity detector"@en ; . voc4cat:0000134 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000134"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "BID"@en ; skos:broader voc4cat:0000191 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Detector incorporating Ionization via a new dielectric barrier discharge He plasma."@en ; skos:inScheme ; skos:prefLabel "dielectric-barrier discharge ionization detector"@en ; . voc4cat:0000135 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000135"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The minimum concentration of a product or intermediate that the gas chromatograph can identify."@en ; skos:inScheme ; skos:prefLabel "gas chromatograph sensitivity"@en ; . voc4cat:0000136 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000136"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process in which gaseous substances of known purity and concentration are introduced to the gas chromatograph and the respective area and retention time of the resulting peaks are identified. This process when concluded, allows for the calculation of concentrations of products and intermediates of the photoreaction."@en ; skos:inScheme ; skos:prefLabel "gas chromatograph calibration"@en ; . voc4cat:0000138 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000138"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000191 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Detectors of the mass spectrometer used to identify the reaction products and intemediates."@en ; skos:inScheme ; skos:prefLabel "mass spectrometer detector"@en ; . voc4cat:0000139 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000139"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The minimum concentration of a product or intermediate that the mass spectrometer can identify."@en ; skos:inScheme ; skos:prefLabel "mass spectrometer sensitivity"@en ; . voc4cat:0000140 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000140"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process in which gaseous substances of known purity and concentration are introduced to the mass spectrometer and the respective mass-to-charge ratios are identified. This process when concluded, allows for the calculation of concentrations of products and intermediates of the photoreaction."@en ; skos:inScheme ; skos:prefLabel "mass spectrometer calibration"@en ; . voc4cat:0000144 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000144"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000143 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Maximum of operation pressure range within the reactor can operate safely."@en ; skos:inScheme ; skos:prefLabel "maximum operation pressure"@en ; . voc4cat:0000145 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000145"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000143 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Minimum of operation pressure range within the reactor can operate safely."@en ; skos:inScheme ; skos:prefLabel "minimum operation pressure"@en ; . voc4cat:0000147 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000147"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000146 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Α mechanical device that removes gas molecules from a sealed chamber reaching pressures lower than the atmospheric pressure."@en ; skos:inScheme ; skos:prefLabel "vacuum pump"@en ; . voc4cat:0000149 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000149"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000148 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Maximum of operation temperature range within the reactor can operate safely."@en ; skos:inScheme ; skos:prefLabel "maximum operation temperature"@en ; . voc4cat:0000150 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000150"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000148 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Minimum of operation temperature range within the reactor can operate safely."@en ; skos:inScheme ; skos:prefLabel "minimum operation temperature"@en ; . voc4cat:0000151 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000151"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "cooling device"@en , "heating device"@en , "temperature controller and monitor"@en , "temperature gauge"@en , "temperature monitor"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Equipment used for controlling and/or monitoring the temperature in various parts of a reactor. This can include hot plates, heating elements and cryostats."@en ; skos:inScheme ; skos:prefLabel "temperature controller"@en ; . voc4cat:0000152 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000152"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "photoreaction chamber"@en ; skos:broader voc4cat:0000188 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A construction inside of which the catalyst and the reactants coexist, and the reaction takes place."@en ; skos:inScheme ; skos:prefLabel "reaction chamber"@en ; . voc4cat:0000153 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000153"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Volume of the reaction chamber, calculated by its dimensions. Volume of pipes and valves connected to the reaction chamber should also be calculated and added to the total volume."@en ; skos:inScheme ; skos:prefLabel "reaction chamber volume"@en ; . voc4cat:0000154 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000154"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Height, width and depth (in cubic- or rectangular- shaped reaction chambers) or diameter and height (in cylindrer - shaped reaction chambers)."@en ; skos:inScheme ; skos:prefLabel "reaction chamber dimension"@en ; . voc4cat:0000155 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000155"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The shape of the reaction chamber. In gas-phase reactions, reaction chambers have usually a cylindrical, cubical or rectangular shape."@en ; skos:inScheme ; skos:prefLabel "reaction chamber shape"@en ; . voc4cat:0000156 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000156"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Material used for the construction of the main body of the reaction chamber."@en ; skos:inScheme ; skos:prefLabel "reaction chamber material"@en ; . voc4cat:0000157 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000157"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000189 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A transparent material optimized to allow the transmission of electromagnetic radiation with low reflectance and scattering."@en ; skos:inScheme ; skos:prefLabel "optical window"@en ; . voc4cat:0000158 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000158"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Material that the optical window is made of. The window, usually attached to the lid sealing the reaction chamber, allows the incoming light to interact with the catalyst. The material of the window influences the wavelength range that the catalyst experiences."@en ; skos:inScheme ; skos:prefLabel "optical window material"@en ; . voc4cat:0000160 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000160"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000159 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Diameter of the optical window allowing the incoming light to enter the reaction chamber and interact with the catalyst."@en ; skos:inScheme ; skos:prefLabel "optical window diameter"@en ; . voc4cat:0000161 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000161"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000159 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Thickness of the optical window allowing the incoming light to enter the reaction chamber and interact with the catalyst."@en ; skos:inScheme ; skos:prefLabel "optical window thickness"@en ; . voc4cat:0000162 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000162"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gas flow"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Flow rates of gases used in an experiment. Gases can have either the role of a reactant (e.g., CO2) or be inert (e.g., Ar, He)."@en ; skos:inScheme ; skos:prefLabel "gas feed"@en ; . voc4cat:0000164 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000164"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "MFC"@en , "MFCs"@en ; skos:broader voc4cat:0000163 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A mass flow controller (MFC) is a device used to measure and control the flow of liquids and gases. A mass flow controller is designed and calibrated to control a specific type of liquid or gas at a particular range of flow rates."@en ; skos:inScheme ; skos:prefLabel "mass flow controller"@en ; . voc4cat:0000167 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000167"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "Hg-Xe lamp"@en , "Hg/Xe lamp"@en , "mercury xenon lamp"@en ; skos:broader voc4cat:0000166 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A lamp containing a mixture of mercury (Hg) and xenon (Xe) gases. Under electric current, the gas mixture gets ionized through a discharge electric charge creating a plasma generating UV and visible light."@en ; skos:inScheme ; skos:prefLabel "mercury-xenon lamp"@en ; . voc4cat:0000168 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000168"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "Xe lamp"@en , "Xe-lamp"@en ; skos:broader voc4cat:0000166 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A lamp containing pure xenon (Xe) gas. Under electric current, the gas mixture gets ionized through a discharge electric charge creating a plasma generating UV and visible light."@en ; skos:inScheme ; skos:prefLabel "xenon lamp"@en ; . voc4cat:0000169 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000169"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "LED"@en , "light-emitting diode"@en ; skos:broader voc4cat:0000166 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A solid-state semiconductor emitting light at highly controllable (narrow) wavelength ranges."@en ; skos:inScheme ; skos:prefLabel "light emitting diode"@en ; . voc4cat:0000171 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000171"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The distance of the light source from the reaction chamber and the catalyst."@en ; skos:inScheme ; skos:prefLabel "light source distance"@en ; . voc4cat:0000172 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000172"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The value of current (usually in A or mA) used to operate the selected light source."@en ; skos:inScheme ; skos:prefLabel "light operation current"@en ; . voc4cat:0000173 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000173"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The value of voltage (usually in V or mV) used to operate the selected light source."@en ; skos:inScheme ; skos:prefLabel "light operation voltage"@en ; . voc4cat:0000174 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000174"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The power of the light source (usually in W or mW). The power can be calculated by the multiplication of the current and voltage used to operate the light source."@en ; skos:inScheme ; skos:prefLabel "light power output"@en ; . voc4cat:0000175 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000175"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The light intensity (usually in mW cm-2) of the selected light source. The light intensity should be measured at the same distance as the one between the light source and the reaction chamber / sample."@en ; skos:inScheme ; skos:prefLabel "light intensity"@en ; . voc4cat:0000176 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000176"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "λ"@en ; skos:broader voc4cat:0000170 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The distance between two successive peaks or troughs in a wave."@en ; skos:inScheme ; skos:prefLabel "light wavelength"@en ; . voc4cat:0000177 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000177"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "IR"@en , "Ir"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Electromagnetic radiation with wavelengths typically in the range of 800 nm - 20000 nm."@en ; skos:inScheme ; skos:prefLabel "infrared"@en ; . voc4cat:0000179 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000179"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "UV"@en , "UV-A"@en , "UV-B"@en , "UV-C"@en , "VUV"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Electromagnetic radiation with a wavelength typically in the range of 100-400 nanometers."@en ; skos:inScheme ; skos:prefLabel "ultraviolet"@en ; . voc4cat:0000192 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000192"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A device that measures a specific physical or chemical property and converts it into readable signal, often for continuous monitoring."@en ; skos:inScheme ; skos:narrower voc4cat:0000191 ; skos:prefLabel "sensor"@en ; . voc4cat:0000197 a skos:Concept ; dcterms:created "2025-04-01"^^xsd:date ; dcterms:identifier "0000197"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "MOF"@en ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Porous crystalline materials composed of metal nodes or clusters connected by organic linkers, forming highly ordered one-, two-, or three-dimensional structures with tunable properties."@en ; skos:inScheme ; skos:prefLabel "metal-organic framework"@en ; . voc4cat:0000198 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000198"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000270 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A porous solid material containing pores with width between 2 and 50 nm."@en ; skos:inScheme ; skos:prefLabel "mesoporous material"@en ; . voc4cat:0000199 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000199"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A reaction mechanism is the step-by-step sequence of elementary reactions at the molecular level that explains how an overall chemical reaction proceeds."@en ; skos:inScheme ; skos:prefLabel "reaction mechanism"@en ; . voc4cat:0000200 a skos:Concept ; dcterms:created "2025-04-01"^^xsd:date ; dcterms:identifier "0000200"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "sustainable chemistry"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The science and technology of sustainable and environment friendly chemical processes and products that reduce or eliminate hazardous substances, while minimizing waste and energy consumption."@en ; skos:inScheme ; skos:prefLabel "green chemistry"@en ; . voc4cat:0000201 a skos:Concept ; dcterms:created "2025-04-01"^^xsd:date ; dcterms:identifier "0000201"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "cross-coupling"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A cross-coupling reaction is a catalytic, metal-mediated reaction that forms carbon-carbon or carbon-heteroatom bonds by joining two different molecular fragments, typically through the activation of electrophilic and nucleophilic partners."@en ; skos:inScheme ; skos:prefLabel "cross-coupling reaction"@en ; . voc4cat:0000202 a skos:Concept ; dcterms:created "2025-04-01"^^xsd:date ; dcterms:identifier "0000202"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "C-H activation"@en , "C-H bond activation"@en , "carbon-hydrogen activation"@en , "carbon-hydrogen activation reaction"@en , "carbon-hydrogen bond activation"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of organic reaction in which a stable carbon-hydrogen (C-H) bond is cleaved and replaced with a C-X bond."@en ; skos:inScheme ; skos:prefLabel "C-H activation reaction"@en ; . voc4cat:0000203 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000203"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A branch of chemistry studying chemical reactions and processes driven and affected by light and the absorption of photons."@en ; skos:inScheme ; skos:prefLabel "photochemistry"@en ; . voc4cat:0000204 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000204"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic process catalyzed by the presence of biological entities."@en ; skos:inScheme ; skos:prefLabel "biocatalysis"@en ; . voc4cat:0000205 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000205"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Epoxidation is the chemical process of converting an alkene into an epoxide, a three-membered cyclic ether, by adding a single oxygen atom across a carbon-carbon double bond."@en ; skos:inScheme ; skos:prefLabel "epoxidation"@en ; . voc4cat:0000206 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000206"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "H2O splitting"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which water molecules are dissociated into gaseous hydrogen and oxygen, typically facilitted by catalysts and an external energy source."@en ; skos:inScheme ; skos:prefLabel "water splitting"@en ; . voc4cat:0000207 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000207"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A biocatalytic process performed in the presence of an enzyme."@en ; skos:inScheme ; skos:prefLabel "enzyme catalysis"@en ; . voc4cat:0000208 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000208"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of catalysis where the rate of a chemical reaction is increased by the addition of a substoichiometric quantity of an organic (non-metallic) compound."@en ; skos:inScheme ; skos:prefLabel "organocatalysis"@en ; . voc4cat:0000209 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000209"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007249 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A fuel cell is an electrochemical device that converts the chemical energy of a fuel, often hydrogen, and an oxidizing agent, typically oxygen, into electrical energy, with water and heat as the main byproducts."@en ; skos:inScheme ; skos:prefLabel "fuel cell"@en ; . voc4cat:0000210 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000210"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A hollow cylindrical tube-like material structure at the nanoscale."@en ; skos:inScheme ; skos:prefLabel "nanotube"@en ; . voc4cat:0000211 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000211"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The property of a chemical reaction to occur at a specific reactive site on a molecule, leading to the preferential formation of one regiosomer over others."@en ; skos:inScheme ; skos:prefLabel "regioselectivity"@en ; . voc4cat:0000212 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000212"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "is the preference of a chemical reaction to selectively react with one functional group in the presence of other reactive groups, leaving the latter unaffected."@en ; skos:inScheme ; skos:prefLabel "chemoselectivity"@en ; . voc4cat:0000213 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000213"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A one-, two-, or three-, dimensional structure that has at least one dimension in the nanometer scale."@en ; skos:inScheme ; skos:prefLabel "nanostructure"@en ; . voc4cat:0000214 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000214"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The ability of a chemical reaction to differentiate between enantiomers, leading to the preferential formation of one stereoisomer, often controlled by a chiral catalyst or reagent."@en ; skos:inScheme ; skos:prefLabel "enantioselectivity"@en ; . voc4cat:0000215 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000215"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "DFT"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A computational quantum mechanical modeling method used to investigate the electronic structure of atoms, molecules and solids, approximating their energy by using electron density as the key variable rather than wavefunctions."@en ; skos:inScheme ; skos:prefLabel "density functional theory"@en ; . voc4cat:0000216 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000216"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic process that facilitates reactions by controlling charge transfer at the electrode-electrolyte interface."@en ; skos:inScheme ; skos:prefLabel "electrocatalysis"@en ; . voc4cat:0000217 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000217"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Asymmetric catalysis is a catalytic process in which a chiral catalyst directs the formation of a chiral compound, preferentially producing one enantiomer over the other, thereby enhancing enantioselectivity in chemical reactions."@en ; skos:inScheme ; skos:prefLabel "asymmetric catalysis"@en ; . voc4cat:0000218 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000218"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The branch of chemistry that studies the relationship between electrical potential and chemical transformations, focusing on electron transfer processes, particularly redox reactions at electrode interfaces."@en ; skos:inScheme ; skos:prefLabel "electrochemistry"@en ; . voc4cat:0000219 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000219"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "heterocyclic compound"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A cyclic compound composed of at least one atom other than carbon in its ring structure."@en ; skos:inScheme ; skos:prefLabel "heterocycle"@en ; . voc4cat:0000220 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000220"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "cyclization"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which an acyclic (open-chain) precursor molecule is transformed into a cyclic structure."@en ; skos:inScheme ; skos:prefLabel "cyclization reaction"@en ; . voc4cat:0000221 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000221"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process of designing and modifying protein structures via genetic or chemical alterations to improve their stability, activity, specificity, and functionality."@en ; skos:inScheme ; skos:prefLabel "protein engineering"@en ; . voc4cat:0000222 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000222"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydroformylation reaction"@en , "oxo process"@en , "oxo synthesis"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic reaction for synthesizing an aldehyde from an alkene, by adding a formyl group (-CHO) and a hydrogen atom to a carbon-carbon double bond."@en ; skos:inScheme ; skos:prefLabel "hydroformylation"@en ; . voc4cat:0000223 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000223"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "C-C coupling"@en , "carbon-carbon coupling"@en , "carbon-carbon coupling reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction where a carbon-carbon bond is formed from two carbon-containing fragments."@en ; skos:inScheme ; skos:prefLabel "C-C coupling reaction"@en ; . voc4cat:0000224 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000224"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "catalytic hydrosilation"@en , "hydrosilation"@en , "hydrosilylation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction where a silicon-hydrogen (Si-H) bond is added across an unsaturated bond typically catalyzed by a transition metal catalyst."@en ; skos:inScheme ; skos:prefLabel "hydrosilylation"@en ; . voc4cat:0000225 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000225"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "SAR"@en , "structure activity relationship"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A study of the correlation between the chemical structure of a molecule, its functional properties and its biological activity."@en ; skos:inScheme ; skos:prefLabel "structure-activity relationship"@en ; . voc4cat:0000226 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000226"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "HDO"@en , "hydrodeoxygenation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic process in which oxygen is removed from oxygenated organic compounds using hydrogen."@en ; skos:inScheme ; skos:prefLabel "hydrodeoxygenation"@en ; . voc4cat:0000227 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000227"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process by which molecules or particles spontaneously organize into structured, well-defined functional systems, without external stimuli, but driven by local interactions."@en ; skos:inScheme ; skos:prefLabel "self-assembly"@en ; . voc4cat:0000228 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000228"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The property of an asymmetric molecule that makes it non-superposable on its mirror image, resulting in enantiomers with distinct chemical or biological properties."@en ; skos:inScheme ; skos:prefLabel "chirality"@en ; . voc4cat:0000229 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000229"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical species that contains at least one unpaired valence electron."@en ; skos:inScheme ; skos:prefLabel "radical"@en ; . voc4cat:0000230 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000230"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "cascade reaction"@en , "domino reaction"@en , "tandem reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A domino reaction is a chemical process of at least two consecutive sub-reactions occurring spontaneously in the same reaction vessel, without the need to add additional reagents, change reaction conditions and isolate intermediates. Each sub-reaction uses the product(s) already formed in the previous steps as reactant(s)."@en ; skos:inScheme ; skos:prefLabel "sequential reaction"@en ; . voc4cat:0000231 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000231"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A natural resource that can be ecologically or artificially replenished at a rate faster than consumed and over a reasonable period on the human time scale."@en ; skos:inScheme ; skos:prefLabel "renewable resource"@en ; . voc4cat:0000232 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000232"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process in which an acid donates protons (protonation or electron withdrawal) or stabilizes reaction intermediates to accelerate a chemical reaction."@en ; skos:inScheme ; skos:prefLabel "acid catalysis"@en ; . voc4cat:0000233 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000233"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process in which base abstracts protons (deprotonation or electron donation) or stabilizes reaction intermediates to accelerate a chemical reaction."@en ; skos:inScheme ; skos:prefLabel "base catalysis"@en ; . voc4cat:0000234 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000234"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "micro-channel reactor"@en , "micro-reactor"@en , "micro-structured reactor"@en , "microchannel reactor"@en , "microstructured reactor"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A small-scale chemical reactor, with lateral dimensions in the submillimeter range, typically employing microchannels to facilitate reactions within a well-controlled confined space."@en ; skos:inScheme ; skos:prefLabel "microreactor"@en ; . voc4cat:0000235 a skos:Concept ; dcterms:created "2025-04-02"^^xsd:date ; dcterms:identifier "0000235"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The interaction between at least two constituent parts (e.g., substances, processes, chemical species) to produce a combined effect greater than the sum of their individual effects, resulting in a more significant outcome than each part could achieve alone."@en ; skos:inScheme ; skos:prefLabel "synergistic effect"@en ; . voc4cat:0000236 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000236"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "OER"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction of generating molecular oxygen in electrochemistry."@en ; skos:inScheme ; skos:prefLabel "oxygen evolution reaction"@en ; . voc4cat:0000237 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000237"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "ORR"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The reduction half reaction where oxygen is reduced to water or hydrogen peroxide. In electrochemistry it takes place in the cathode."@en ; skos:inScheme ; skos:prefLabel "oxygen reduction reaction"@en ; . voc4cat:0000238 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000238"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical processes occurring at surfaces and interfaces."@en ; skos:inScheme ; skos:prefLabel "surface chemistry"@en ; . voc4cat:0000239 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000239"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "enantioselective synthesis"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical synthesis process yielding stereoisomeric (enantiomeric or diastereomeric) products in different rations."@en ; skos:inScheme ; skos:prefLabel "asymmetric synthesis"@en ; . voc4cat:0000240 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000240"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Molecules with the same formula and atomic connectivity, but with different spatial arrangement of atoms."@en ; skos:inScheme ; skos:prefLabel "stereoisomer"@en ; . voc4cat:0000241 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000241"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "HER"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction of generating molecular hydrogen in electrochemistry."@en ; skos:inScheme ; skos:prefLabel "hydrogen evolution reaction"@en ; . voc4cat:0000242 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000242"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "amination reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The chemical reaction of adding an amino (-NH2) into a molecule to generate an amine."@en ; skos:inScheme ; skos:prefLabel "amination"@en ; . voc4cat:0000243 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000243"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "cycloaddition reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction where two or more unsaturated molecules unite to form a ring-shaped (cyclic) compound."@en ; skos:inScheme ; skos:prefLabel "cycloaddition"@en ; . voc4cat:0000244 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000244"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydrogen transfer"@en , "transfer hydrogenation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which hydrogen (not directly from molecular hydrogen) is transferred to a molecule."@en ; skos:inScheme ; skos:prefLabel "transfer hydrogenation"@en ; . voc4cat:0000245 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000245"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "metathesis reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which double bonds between atoms in two molecules are rearranged, yielding products formed by the exchange of molecular fragments between the reactants while keeping the number of double bonds the same."@en ; skos:inScheme ; skos:prefLabel "metathesis"@en ; . voc4cat:0000246 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000246"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The application of materials with dimensions in the nanoscale, to catalyze chemical reactions."@en ; skos:inScheme ; skos:prefLabel "nanocatalysis"@en ; . voc4cat:0000247 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000247"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "carbonylation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which a carbonyl group (C=O) is introduced into a molecule, typically through the addition of carbon monoxide (CO) to a substrate."@en ; skos:inScheme ; skos:prefLabel "carbonylation"@en ; . voc4cat:0000248 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000248"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The modification of chemical compounds by biological entities (e.g., enzymes) to yield more biologically active products."@en ; skos:inScheme ; skos:prefLabel "biotransformation"@en ; . voc4cat:0000249 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000249"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process of separating two enantiomers of a chiral compound in a racemic mixture based on their different reaction rates in a chemical reaction."@en ; skos:inScheme ; skos:prefLabel "kinetic resolution"@en ; . voc4cat:0000250 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000250"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "water oxidation reaction"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The reaction in which water is converted (usually electrochemically or photocatalytically) into oxygen and protons."@en ; skos:inScheme ; skos:prefLabel "water oxidation"@en ; . voc4cat:0000251 a skos:Concept ; dcterms:created "2025-04-10"^^xsd:date ; dcterms:identifier "0000251"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "MCR"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A synthesis process where three or more compounds react in the same reactor (one-pot reaction) to form a structurally complex single product that incorporates most of the atoms of the starting compounds."@en ; skos:inScheme ; skos:prefLabel "multicomponent reaction"@en ; . voc4cat:0000252 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000252"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "arylation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which one or more aryl groups are added into a molecule, commonly facilitated by a catalyst."@en ; skos:inScheme ; skos:prefLabel "arylation"@en ; . voc4cat:0000253 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000253"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydrogenolysis reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction which involves the cleavage of a chemical bond in the presence of hydrogen, often performed catalytically."@en ; skos:inScheme ; skos:prefLabel "hydrogenolysis"@en ; . voc4cat:0000254 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000254"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A material which directs and accelerates an electrochemical reaction while remaining unchanged in the process."@en ; skos:inScheme ; skos:prefLabel "electrocatalyst"@en ; . voc4cat:0000255 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000255"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-5898-1820 David Linke edited the definition"@en ; skos:definition "The characteristics of a material or substance that determine how it interacts or responds to a magnetic field."@en ; skos:inScheme ; skos:prefLabel "magnetic property"@en ; . voc4cat:0000256 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000256"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process that utilizes physical, chemical, or biological processes to turn organic substances, like plant material and animal waste, into high-value products and energy forms (e.g., biofuels)."@en ; skos:inScheme ; skos:prefLabel "biomass conversion"@en ; . voc4cat:0000257 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000257"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The effects a solvent exerts on chemical reactions and molecular properties."@en ; skos:inScheme ; skos:prefLabel "solvent effect"@en ; . voc4cat:0000258 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000258"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydroxylation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The addition of a hydroxyl group (-OH) to a molecule, typically by replacing a hydrogen atom."@en ; skos:inScheme ; skos:prefLabel "hydroxylation"@en ; . voc4cat:0000259 a skos:Concept ; dcterms:created "2025-04-11"^^xsd:date ; dcterms:identifier "0000259"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CO hydrogenation reaction"@en , "carbon dioxide hydrogenation"@en , "carbon dioxide hydrogenation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The reaction of carbon dioxide (CO2) with molecular hydrogen (H2) to produce value-added hydrocarbons or alcohols."@en ; skos:inScheme ; skos:prefLabel "CO2 hydrogenation"@en ; . voc4cat:0000260 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000260"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydrogenation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction of molecular hydrogen (H2) and another chemical species, typically facilitated by a catalyst."@en ; skos:inScheme ; skos:prefLabel "hydrogenation"@en ; . voc4cat:0000261 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000261"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "selective oxidation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The targeted oxidation of a specific bond or functional group in a molecule leaving other sites unaffected, often directed by a catalyst."@en ; skos:inScheme ; skos:prefLabel "selective oxidation"@en ; . voc4cat:0000262 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000262"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "reductive amination reaction"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The typically catalyzed reduction of carbonyl groups to form primary and secondary amines, through an imine intermediate."@en ; skos:inScheme ; skos:prefLabel "reductive amination"@en ; . voc4cat:0000263 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000263"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The tendency of a reaction to yield one stereoisomer preferentially over another."@en ; skos:inScheme ; skos:prefLabel "stereoselectivity"@en ; . voc4cat:0000264 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000264"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A field of chemistry focused in solving chemical problems through the use of mathematical modelling, chemical theory and computational techniques."@en ; skos:inScheme ; skos:prefLabel "computational chemistry"@en ; . voc4cat:0000265 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000265"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The application of analytical techniques (e.g., spectroscopy and microscopy) to examine the composition, structure, and properties of surfaces."@en ; skos:inScheme ; skos:prefLabel "surface analysis"@en ; . voc4cat:0000266 a skos:Concept ; dcterms:created "2025-04-11"^^xsd:date ; dcterms:identifier "0000266"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "DE"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process of accelerating natural evolution of biological molecules (e.g., proteins, enzymes, nucleic acids) and systems by random mutagenesis and selective screening leading to tailored properties and functionality."@en ; skos:inScheme ; skos:prefLabel "directed evolution"@en ; . voc4cat:0000267 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000267"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A single catalyst, integrating two distinct active sites with complementary functionalities, that participate synergistically in a chemical reaction."@en ; skos:inScheme ; skos:prefLabel "bifunctional catalyst"@en ; . voc4cat:0000268 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000268"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "syngas"@en ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A gas mixture comprised primarily of hydrogen (H2) and carbon monoxide (CO) in various ratios."@en ; skos:inScheme ; skos:prefLabel "synthesis gas"@en ; . voc4cat:0000269 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000269"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "continuous flow chemistry"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction that is performed in a continuous flow stream of reagents."@en ; skos:inScheme ; skos:prefLabel "flow chemistry"@en ; . voc4cat:0000271 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000271"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000270 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A porous solid material containing pores with width smaller than 2nm."@en ; skos:inScheme ; skos:prefLabel "microporous material"@en ; . voc4cat:0000272 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000272"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000270 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A porous solid material containing pores with width larger than 50nm"@en ; skos:inScheme ; skos:prefLabel "macroporous material"@en ; . voc4cat:0000273 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000273"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique of synthesizing substances from high-temperature and high-pressure aqueous solutions, typically performed in a sealed vessel."@en ; skos:inScheme ; skos:prefLabel "hydrothermal synthesis"@en ; . voc4cat:0000274 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000274"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The ability of a chemical action to differentiate between diastereoisomers, leading to the preferential formation of one diastereoisomers over another."@en ; skos:inScheme ; skos:prefLabel "diastereoselectivity"@en ; . voc4cat:0000275 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000275"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The study of water’s properties and its interactions with other substances in chemical reactions."@en ; skos:inScheme ; skos:prefLabel "water chemistry"@en ; . voc4cat:0000276 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000276"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A carbon-carbon bond-forming reaction between the carbonyl groups of two compounds (typically aldehydes or ketones). A carbonyl group of one compound and the α-position of another carbonyl molecule react to form a β-hydroxycarbonyl compound."@en ; skos:inScheme ; skos:prefLabel "aldol reaction"@en ; . voc4cat:0000277 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000277"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "carbon-hydrogen functionalization"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The process of introducing new functional groups by cleaving and modifying a carbon-hydrogen (C-H) bond into C-X (X=heteroatom or functional group)."@en ; skos:inScheme ; skos:prefLabel "C-H functionalization"@en ; . voc4cat:0000278 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000278"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "Michael addition reaction"@en , "Michael reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A C-C (or C-X) bond forming reaction in which a nucleophile (typically an enolate), reacts with an α,β-unsaturated carbonyl compound."@en ; skos:inScheme ; skos:prefLabel "Michael addition"@en ; . voc4cat:0000279 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000279"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "OV"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A type of a structural point defect in a crystal lattice where an oxygen atom is missing from its expected position."@en ; skos:inScheme ; skos:prefLabel "oxygen vacancy"@en ; . voc4cat:0000280 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000280"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic chemical reaction in which a mixture of carbon monoxide (CO) and hydrogen (H2), is converted via a chain-growth mechanism into long-chain hydrocarbons (e.g., alkanes, alkenes or alcohols)—typically using iron or cobalt catalysts under moderate to high pressures and temperatures."@en ; skos:inScheme ; skos:prefLabel "Fischer-Tropsch synthesis"@en ; . voc4cat:0000281 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000281"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The industrial implementation of Fischer–Tropsch synthesis, encompassing in addition the associated engineering, reactor design, feedstock preparation, heat management, and product upgrading steps required for large-scale operation."@en ; skos:inScheme ; skos:prefLabel "Fischer-Tropsch process"@en ; . voc4cat:0000282 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000282"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "density functional theory calculation"@en ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The application of density functional theory (DFT) to compute the electonic structure of atoms, molecules and solids."@en ; skos:inScheme ; skos:prefLabel "DFT calculation"@en ; . voc4cat:0000283 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000283"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The relocation of an electron from one donor chemical species (atom, ion, or molecule) to another chemical entity (acceptor) changing their oxidation states in the process."@en ; skos:inScheme ; skos:prefLabel "electron transfer"@en ; . voc4cat:0000284 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000284"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A ring-shaped compound that contains at least one nitrogen atom as part of its cyclic structure along with carbon atoms."@en ; skos:inScheme ; skos:prefLabel "nitrogen heterocycle"@en ; . voc4cat:0000285 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000285"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The chemical or enzymatic incorporation of carbon dioxide into organic compounds (typically carbohydrates)."@en ; skos:inScheme ; skos:prefLabel "carbon dioxide fixation"@en ; . voc4cat:0000287 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000287"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An ion or molecule that binds to a central atom through electron pair donation, to form a coordination complex compound."@en ; skos:inScheme ; skos:prefLabel "ligand"@en ; . voc4cat:0000288 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000288"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A microscopy technique that uses an electron beam as a source of sample illumination."@en ; skos:inScheme ; skos:prefLabel "electron microscopy"@en ; . voc4cat:0000289 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000289"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CO oxidation reaction"@en , "carbon monoxide oxidation"@en , "carbon monoxide oxidation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The reaction in which carbon monoxide (CO) is converted to carbon dioxide (CO₂) through interaction with an oxidizing agent, typically oxygen (O₂)."@en ; skos:inScheme ; skos:prefLabel "CO oxidation"@en ; . voc4cat:0000290 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000290"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CO2 reduction reaction"@en , "carbon dioxide reduction"@en , "carbon dioxide reduction reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The chemical reaction in which carbon dioxide (CO₂) is converted into value-added chemicals or fuels through electron and proton transfer, typically facilitated by a catalyst under electrochemical, photochemical, or thermochemical conditions."@en ; skos:inScheme ; skos:prefLabel "CO2 reduction"@en ; . voc4cat:0000291 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000291"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The generation of molecular hydrogen (H2) through chemical transformations."@en ; skos:inScheme ; skos:prefLabel "hydrogen production"@en ; . voc4cat:0000292 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000292"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0001-6434-6623 Aleksandr Fedorov defined the resource"@en ; skos:definition "An industrial term that covers the Fischer-Tropsch process and all the systems, equipment, and engineering methods used to apply it at commercial scale. This includes reactors, control systems, and plant designs used to produce synthetic fuels using the Fischer-Tropsch synthesis."@en ; skos:inScheme ; skos:prefLabel "Fischer-Tropsch technology"@en ; . voc4cat:0000293 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000293"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A particle with dimensions in the nanoscale range."@en ; skos:inScheme ; skos:prefLabel "nanoparticle"@en ; . voc4cat:0000294 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000294"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A catalytic process where the catalytic species is present in the same physical phase as the reactants, typically in a sinlge liquid phase."@en ; skos:inScheme ; skos:prefLabel "homogeneous catalysis"@en ; . voc4cat:0000295 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000295"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource"@en ; skos:definition "Organic mass of biological origin."@en ; skos:inScheme ; skos:prefLabel "biomass"@en ; . voc4cat:0000296 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000296"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Acceleration of a chemical reaction induced by the presence of material that is chemically unchanged at the end of the reaction."@en ; skos:inScheme ; skos:prefLabel "catalysis"@en ; . voc4cat:0000297 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000297"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "dehydrogenation reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction that involves the removal of two or more hydrogen atoms from a molecule."@en ; skos:inScheme ; skos:prefLabel "dehydrogenation"@en ; . voc4cat:0000298 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000298"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The study and characterization of the temporal progression of physical and (bio-)chemical processes, with particular emphasis on the rates and mechanisms by which chemical transformations occur."@en ; skos:inScheme ; skos:prefLabel "kinetics"@en ; . voc4cat:0000299 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000299"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource"@en ; skos:definition "Measure of the acidic strength of a solution."@en ; skos:inScheme ; skos:prefLabel "acidity"@en ; . voc4cat:0000300 a skos:Concept ; dcterms:created "2025-04-16"^^xsd:date ; dcterms:identifier "0000300"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource"@en ; skos:definition "Mixture of metals with certain (often improved) mechanical, chemical, electrical, magnetic or other properties."@en ; skos:inScheme ; skos:prefLabel "alloy"@en ; . voc4cat:0000301 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000301"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A Lewis acid is a molecular entity that functions as an electron-pair acceptor, forming a coordinate covalent bond with a Lewis base through interaction with its lone electron pair."@en ; skos:inScheme ; skos:prefLabel "Lewis acid"@en ; . voc4cat:0000302 a skos:Concept ; dcterms:created "2025-04-16"^^xsd:date ; dcterms:identifier "0000302"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "isomerisation reaction"@en , "isomerization"@en , "isomerization reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction in which the main product is an isomer of the main reactant, entailing a change in molecular structure without altering the overall molecular composition."@en ; skos:inScheme ; skos:prefLabel "isomerisation"@en ; . voc4cat:0000303 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000303"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical reaction where one or more alkyl groups is introduced into a molecular structure via covalent bond formation."@en ; skos:inScheme ; skos:prefLabel "alkylation"@en ; . voc4cat:0000304 a skos:Concept ; dcterms:created "2025-04-16"^^xsd:date ; dcterms:identifier "0000304"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "polymerisation reaction"@en , "polymerization"@en , "polymerization reaction"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process in which low molecular weight monomers (of the same or different kind) are combined forming a long-chain or three-dimensional, high molecular weight polymer molecule."@en ; skos:inScheme ; skos:prefLabel "polymerisation"@en ; . voc4cat:0000305 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000305"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The quality of being free from change or variation or not taking part in chemical change."@en ; skos:inScheme ; skos:prefLabel "stability"@en ; . voc4cat:0000306 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000306"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "hydrolysis reaction"@en ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A solvolysis reaction where the solvent material is water."@en ; skos:inScheme ; skos:prefLabel "hydrolysis"@en ; . voc4cat:0000307 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000307"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "POM"@en ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An anionic metal-oxygen cluster composed of early transition metals in high oxidation states, interconnected by shared oxygen atoms to form a closed 3-dimensional framework."@en ; skos:inScheme ; skos:prefLabel "polyoxometalate"@en ; . voc4cat:0000308 a skos:Concept ; dcterms:created "2025-04-16"^^xsd:date ; dcterms:identifier "0000308"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource"@en ; skos:definition "Measure of the basic strength from OH- ions of a solution."@en ; skos:inScheme ; skos:prefLabel "basicity"@en ; . voc4cat:0000309 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000309"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A chemical element in the d-block of the periodic table with a partially filled d-orbital."@en ; skos:inScheme ; skos:prefLabel "transition metal"@en ; . voc4cat:0007001 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007001"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A process during which a chemical reaction is accelerated by the presence of a catalyst in a different phase than the reactant. The reaction generally proceeds at the interface."@en ; skos:inScheme ; skos:prefLabel "heterogeneous catalysis"@en ; . voc4cat:0007002 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007002"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A process, during which elevated temperature is applied to increase the reaction rate of a reaction in presence of a catalyst."@en ; skos:inScheme ; skos:prefLabel "thermal catalysis"@en ; . voc4cat:0007003 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007003"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A substance that increases the rate of a chemical reaction that is in a different phase than the reagents."@en ; skos:inScheme ; skos:prefLabel "heterogeneous catalyst"@en ; . voc4cat:0007016 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007016"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "The main technique applied to make the catalyst material out of pure substances."@en ; skos:inScheme ; skos:narrower voc4cat:0007795 ; skos:prefLabel "preparation method"@en ; . voc4cat:0007028 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007028"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A synthesis method in which inorganic compounds are dissolved in a solvent and brought into contact with a solid support in order to deposit them completely or in parts onto the surface."@en ; skos:inScheme ; skos:narrower voc4cat:0007806 ; skos:prefLabel "impregnation"@en ; . voc4cat:0007034 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007034"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A catalyst where the active material is usually the minority phase and fixed on a high surface area, relatively inert solid."@en ; skos:inScheme ; skos:prefLabel "supported catalyst"@en ; . voc4cat:0007035 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007035"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007017 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A device designed for the controlled execution of chemical reactions."@en ; skos:inScheme ; skos:narrower voc4cat:0007036 ; skos:prefLabel "chemical reactor"@en ; . voc4cat:0007036 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007036"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007035 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A chemical reactor in which the reaction is carried out in the presence of a catalyst."@en ; skos:inScheme ; skos:narrower voc4cat:0007019 ; skos:prefLabel "catalytic reactor"@en ; . voc4cat:0007104 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007104"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007101 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "A reactor model, in which opposing to the ideal plug flow behavior, friction is acting on the fluid, thus creating a residence time distribution."@en ; skos:inScheme ; skos:narrower voc4cat:0007105 ; skos:prefLabel "tubular reactor model"@en ; . voc4cat:0007108 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007108"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "primary energy; accelerating voltage; electron beam energy"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The kinetic energy of the incident electron beam, typically measured in kiloelectronvolts (keV), which influences the interaction volume and excitation of X-rays in the sample."@en ; skos:inScheme ; skos:prefLabel "beam energy"@en ; . voc4cat:0007109 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007109"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "tilt angle"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The angle between the sample holder (stage) surface and the incident electron beam axis, used to optimize geometry for imaging or detection."@en ; skos:inScheme ; skos:prefLabel "stage tilt"@en ; . voc4cat:0007111 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007111"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "azimuth angle"@en , "in-plane rotation"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The in-plane rotation angle of the specimen around the beam axis, used to align crystallographic directions or detector orientation relative to the sample."@en ; skos:inScheme ; skos:prefLabel "sample azimuth angle"@en ; . voc4cat:0007112 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007112"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "real time; clock time; elapsed acquisition time"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The total elapsed time during the data acquisition process, including both periods when the detector is actively collecting data and when it is not (due to dead time or processing delays)."@en ; skos:inScheme ; skos:prefLabel "measurement reference time"@en ; . voc4cat:0007113 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007113"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "live time; effective counting time; life time"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The net time during which the detector is actively recording, excluding time lost to processing (dead time)."@en ; skos:inScheme ; skos:prefLabel "active acquisition time"@en ; . voc4cat:0007114 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007114"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The classification of a detector according to its underlying detection principle, design, or intended measurement mode"@en ; skos:inScheme ; skos:prefLabel "detector type"@en ; . voc4cat:0007115 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007115"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "entrance dead layer; inactive detection surface region"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "A non-sensitive region at the surface of a detector, typically composed of silicon or other passive materials, in which incident rays of various kinds may be absorbed without generating a measurable signal. This layer reduces sensitivity."@en ; skos:inScheme ; skos:prefLabel "detector window dead layer"@en ; . voc4cat:0007116 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007116"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "detector active layer thickness"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The physical thickness of the active region in a detector that is responsible for absorbing and converting incoming rays into charge carriers for signal generation."@en ; skos:inScheme ; skos:prefLabel "detector excitation material thickness"@en ; . voc4cat:0007117 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007117"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "sensor window material;"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The material and structural configuration of the barrier or interface at the front of a detector that allows selected input signals to pass through while protecting internal components or maintaining internal conditions."@en ; skos:inScheme ; skos:prefLabel "detector window material"@en ; . voc4cat:0007118 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007118"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "energy fluctuation coefficient; charge generation variability factor"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "A dimensionless constant that quantifies the statistical variation in the number of charge carriers generated per absorbed X-ray photon. Lower Fano factors indicate better intrinsic energy resolution of the detector material."@en ; skos:inScheme ; skos:prefLabel "Fano factor"@en ; . voc4cat:0007119 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007119"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "Mn FWHM; energy resolution at Mn Kα; manganese peak width; Mn resolution"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "The spectral linewidth of a peak, expressed as the width between the two points on either side of the maximum intensity where the intensity is half of the maximum value.Also known as full width at half maximum (FWHM)."@en ; skos:inScheme ; skos:prefLabel "Peak full width at half maximum"@en ; . voc4cat:0007120 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007120"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "linear scaling calibration"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "A method of scaling measurement output using a constant proportional relationship between the measured signal and its corresponding physical quantity."@en ; skos:inScheme ; skos:prefLabel "linear calibration"@en ; . voc4cat:0007121 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007121"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "data channel; signal bin"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "A distinct signal pathway in a measurement system, defined by a particular detector, detector element, or signal processing range, through which data are collected. In setups with multiple detectors or detector arrays, each channel represents one of the parallel streams of measurement that can be acquired and analyzed separately."@en ; skos:inScheme ; skos:prefLabel "measurement channel"@en ; . voc4cat:0007122 a skos:Concept ; dcterms:created "2025-07-25"^^xsd:date ; dcterms:identifier "0007122"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource"@en ; skos:definition "A material or specimen with known and well-characterized properties that is used as a standard for calibration or validation of measurements."@en ; skos:inScheme ; skos:prefLabel "measurement reference material"@en ; . voc4cat:0007220 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007220"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The movement of electrical charges in a conductor; carried by electrons in an electronic conductor (electronic current) or by ions in an ionic conductor (ionic current)."@en ; skos:inScheme ; skos:narrower voc4cat:0007259 ; skos:prefLabel "current"@en ; . voc4cat:0007244 a skos:Concept ; dcterms:created "2024-02-02"^^xsd:date ; dcterms:identifier "0007244"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The measure of the amount of dissolved material (solute) in a solution."@en ; skos:inScheme ; skos:narrower voc4cat:0008214 ; skos:prefLabel "concentration"@en ; . voc4cat:0007809 a skos:Concept ; dcterms:created "2025-08-22"^^xsd:date ; dcterms:identifier "0007809"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0003-4418-7455 Franziska Flecken created the resource"@en ; skos:definition "The gaseous environment in which a process, such as a catalytic test, synthesis or a measurement, takes place."@en ; skos:inScheme ; skos:narrower voc4cat:0008208 ; skos:prefLabel "atmosphere"@en ; . voc4cat:0008081 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008081"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000286 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Mode of XAS measurement where absorption is determined from transmitted X-rays."@en ; skos:inScheme ; skos:prefLabel "XAS Transmission"@en ; . voc4cat:0008082 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008082"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000286 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Mode of XAS measurement where absorption is probed via fluorescence yield."@en ; skos:inScheme ; skos:prefLabel "XAS Fluorescence"@en ; . voc4cat:0008083 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008083"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "SDD"@en , "silicon-drift detector"@en ; skos:broader voc4cat:0000191 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Semiconductor-based X-ray detector type commonly used for fluorescence measurements, providing high energy resolution and fast count rates."@en ; skos:inScheme ; skos:prefLabel "silicon drift detector"@en ; . voc4cat:0008085 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008085"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "dead-time correction"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Mathematical correction applied to compensate for detector dead time effects in measured count rates."@en ; skos:inScheme ; skos:prefLabel "dead time correction"@en ; . voc4cat:0008086 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008086"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "The ratio of emitted fluorescence photons to absorbed photons."@en ; skos:inScheme ; skos:prefLabel "fluorescence yield"@en ; . voc4cat:0008088 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008088"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0008087 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Absorbance measured on a reference material under the same experimental conditions as the sample. Typically used for calibration, normalization, or comparison."@en ; skos:inScheme ; skos:prefLabel "absorbance of the reference"@en ; . voc4cat:0008089 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008089"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0008087 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Absorbance measured on the investigated sample, quantifying how much of the incident radiation is absorbed relative to the incident beam."@en ; skos:inScheme ; skos:prefLabel "absorbance of the sample"@en ; . voc4cat:0008090 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008090"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "User-applied offset to shift a measured energy scale, where positive values are added and negative values are subtracted, in order to align the data with a known reference (true energy value = measured energy value + offset)."@en ; skos:inScheme ; skos:prefLabel "manual energy shift"@en ; . voc4cat:0008091 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008091"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "fluo"@en , "fluorescence"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Measured detector signal resulting from fluorescence photons emitted by the sample upon X-ray excitation."@en ; skos:inScheme ; skos:prefLabel "fluorescence signal"@en ; . voc4cat:0008092 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008092"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "ICR"@en ; skos:broader voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Number of events per unit time arriving at the detector before dead time losses are considered."@en ; skos:inScheme ; skos:prefLabel "incoming count rate"@en ; . voc4cat:0008093 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008093"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "OCR"@en , "output count rate"@en ; skos:broader voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Number of events per unit time successfully processed and recorded by the detector after dead time losses."@en ; skos:inScheme ; skos:prefLabel "outgoing count rate"@en ; . voc4cat:0008094 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008094"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TLT"@en ; skos:broader voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Time period during which a detector is ready to trigger on incoming events."@en ; skos:inScheme ; skos:prefLabel "trigger live time"@en ; . voc4cat:0008095 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008095"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "LT"@en , "live time"@en ; skos:broader voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Time period during which a detector is actively recording or processing events, excluding periods of dead time."@en ; skos:inScheme ; skos:prefLabel "effective measurement time"@en ; . voc4cat:0008096 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008096"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "RT"@en , "real time"@en ; skos:broader voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "The total duration over which a measurement is conducted, including both the periods when the detector or measurement system is actively recording events and the periods when it is inactive due to dead time or processing delays."@en ; skos:inScheme ; skos:prefLabel "total measurement time"@en ; . voc4cat:0008097 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008097"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "energy"@en , "photon energy"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Energy of X-ray photons, representing the incident radiation in a measurement."@en ; skos:inScheme ; skos:prefLabel "X-ray photon energy"@en ; . voc4cat:0008099 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008099"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "dead-time"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Time interval after an event during which a system or process is unable to respond to or record a subsequent event."@en ; skos:inScheme ; skos:narrower voc4cat:0008084 ; skos:prefLabel "dead time"@en ; . voc4cat:0000001 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000001"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000196 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A process which catalyzes a chemical reaction through the absorption of sufficient light energy by a photocatalyst."@en ; skos:inScheme ; skos:prefLabel "photocatalysis"@en ; . voc4cat:0000002 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000002"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "photocatalytic material"@en ; skos:broader voc4cat:0000194 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A material that absorbs photons (light) of appropriate energy and initiates or accelerates a photochemical reaction, while it regenerates itself after each reaction cycle."@en ; skos:inScheme ; skos:prefLabel "photocatalyst"@en ; . voc4cat:0000014 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000014"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Techniques used to modify the properties of a catalyst, with the aim to increase its efficiency in a catalytic application."@en ; skos:inScheme ; skos:narrower voc4cat:0000015 ; skos:prefLabel "modification technique"@en ; . voc4cat:0000015 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000015"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000014 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The introduction of foreign atoms into a semiconductor leading to the formation of new energy levels and charge concentrations."@en ; skos:inScheme ; skos:prefLabel "doping"@en ; . voc4cat:0000067 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000067"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "X-ray emission spectrometry"@en , "X-ray fluorescence spectrometry"@en , "X-ray fluorescence spectroscopy"@en , "XES"@en , "XRES"@en , "XRF"@en , "XRF spectrometry"@en , "XRF spectroscopy"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A non-destructive analytical technique which uses a high-energy X-ray source to expose a material and monitors the emitted characteristic fluorescent X-Rays."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "X-ray fluorescence"@en ; . voc4cat:0000068 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000068"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "EELS"@en ; skos:broadMatch ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An analytical technique used to measure the energy loss of electrons passing through a sample."@en ; skos:inScheme ; skos:prefLabel "electron energy loss spectroscopy"@en ; . voc4cat:0000070 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000070"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "AFM"@en , "SFM"@en , "atomic force imaging"@en , "atomic-force microscopy"@en , "scanning force microscopy"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A high-resolution imaging technique that measures the interaction between a sharp probe and the sample’s surface to create a three-dimensional image of the surface’s morphology."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "atomic force microscopy"@en ; . voc4cat:0000071 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000071"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "DSC"@en , "differential scanning calorimetric (DSC) analysis"@en , "differential scanning calorimetric analysis"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A thermal analysis technique which compares the heat flow in a sample and a reference material under controlled applied temperature profiles."@en ; skos:inScheme ; skos:prefLabel "differential scanning calorimetry"@en ; . voc4cat:0000072 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000072"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TG"@en , "TG analysis"@en , "TG measurements"@en , "TGA"@en , "thermal gravimetric analysis"@en , "thermo-gravimetric analysis"@en , "thermogravimetric (TG) analyses"@en , "thermogravimetric (TG) analysis"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A thermal analysis technique used to measure the change of a sample’s mass under the influence of controlled applied temperature profiles."@en ; skos:inScheme ; skos:prefLabel "thermogravimetric analysis"@en ; . voc4cat:0000074 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000074"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "PL"@en ; skos:broadMatch ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Light emission of lower energy photons from a sample upon its photoexcitation."@en ; skos:inScheme ; skos:prefLabel "photoluminescence"@en ; . voc4cat:0000075 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000075"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "SEM"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An electron microscopy technique that produces high-resolution images under high magnification of a sample's surface by assessing the secondary and back-scattered electrons produced by a focused electron beam."@en ; skos:inScheme ; skos:narrowMatch ; skos:prefLabel "scanning electron microscopy"@en ; . voc4cat:0000076 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000076"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "XPS"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique that analyzes the chemical composition of an X-ray irradiated sample by measuring the energies of the emitted electrons."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "X-ray photoelectron spectroscopy"@en ; . voc4cat:0000077 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000077"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "X-ray analysis"@en , "X-ray crystallographic analysis"@en , "X-ray crystallography"@en , "X-ray diffraction analysis"@en , "X-ray diffractometry"@en , "X-ray structure determination"@en , "XRD"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique which analyses the diffraction pattern produced when X-rays are scattered by a sample bombarded by a focused electron beam."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "X-ray diffraction"@en ; . voc4cat:0000078 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000078"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "TEM"@en ; skos:broadMatch ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Transmission electron microscopy is a technique that produces high-resolution images if the internal structure of a sample by using a beam of electrons to bombard the thin sample and measuring the intensity of the scattered transmitted electrons."@en ; skos:inScheme ; skos:prefLabel "transmission electron microscopy"@en ; . voc4cat:0000079 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000079"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "UV-Vis"@en ; skos:broadMatch ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique used to measure the absorption, transmission or reflectance of light by a sample in the ultraviolet and visible regions of the electromagnetic spectrum."@en ; skos:inScheme ; skos:narrowMatch ; skos:prefLabel "ultraviolet-visible spectroscopy"@en ; . voc4cat:0000081 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000081"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "BET"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The study of physical adsorption of gas molecules on a solid surface for the calculation of the specific surface area of materials."@en ; skos:inScheme ; skos:prefLabel "Brunauer-Emmett-Teller surface area analysis"@en ; . voc4cat:0000082 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000082"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "CV"@en , "cyclovoltammetry"@en ; skos:broader voc4cat:0007237 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An electrochemical technique used to study the redox properties of a sample by measuring the current produced by an applied voltage sweep."@en ; skos:inScheme ; skos:prefLabel "cyclic voltammetry"@en ; . voc4cat:0000083 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000083"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A method used in cyclic voltammetry to determine the charge carrier concentration and the flat-band potential of an electrochemical system by measuring the capacitance as a function of applied voltage."@en ; skos:inScheme ; skos:prefLabel "Mott-Schottky analysis"@en ; . voc4cat:0000092 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000092"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Absorption is the process in which energy (e.g., photons) or an absorbent (e.g., a gas) is taken up by an absorbate."@en ; skos:inScheme ; skos:prefLabel "absorption"@en ; . voc4cat:0000093 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000093"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The adhesion of a gas, liquid or dissolved solid chemical of interest onto a solid surface."@en ; skos:inScheme ; skos:prefLabel "adsorption"@en ; . voc4cat:0000097 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000097"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The loss of electrons or an increase in the oxidation state of a species."@en ; skos:inScheme ; skos:prefLabel "oxidation"@en ; . voc4cat:0000098 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000098"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000183 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The gain of electrons or a decrease in the oxidation state of a species."@en ; skos:inScheme ; skos:prefLabel "reduction"@en ; . voc4cat:0000130 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000130"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "GC"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An analytical technique that separates and analyzes the components of a gas mixture by passing it though a stationary phase."@en ; skos:inScheme ; skos:prefLabel "gas chromatography"@en ; . voc4cat:0000141 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000141"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "LC"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A sepation technique that uses a liquid mobile phase to separate the components of a mixture based on their interactions with a stationary phase and a mobile phase."@en ; skos:inScheme ; skos:prefLabel "liquid chromatography"@en ; . voc4cat:0000146 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000146"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "pressure controller"@en , "pressure controller and monitor"@en , "pressure gauge"@en , "pressure monitor"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Equipment (e.g., a vacuum pump) used for controlling and / or monitoring the pressure in various parts of a reactor."@en ; skos:inScheme ; skos:narrower voc4cat:0000147 ; skos:prefLabel "pressure controller"@en ; . voc4cat:0000163 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000163"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "gas flow controller and monitor"@en ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Equipment used for controlling and / or monitoring the flow of gases (reactant or inert) needed for a catalytic experiment. Mass flow controllers (MFCs) are commonly used to control gas flows."@en ; skos:inScheme ; skos:narrower voc4cat:0000164 ; skos:prefLabel "gas flow controller"@en ; . voc4cat:0000165 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000165"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000189 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "All the necessary equipment needed to perform a catalytic experiment involving irradiation. The system apart from the light source can include, filters, power units, lamp cooling devices etc.."@en ; skos:inScheme ; skos:narrower voc4cat:0000166 ; skos:prefLabel "irradiation system"@en ; . voc4cat:0000178 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000178"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "VIS"@en , "Vis"@en , "visible light"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Electromagnetic radiation with wavelengths visible to the human eye, typically in the range of 400-800 nm."@en ; skos:inScheme ; skos:prefLabel "visible"@en ; . voc4cat:0000188 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000188"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Components being integral parts of a catalytic reactor."@en ; skos:inScheme ; skos:narrower voc4cat:0000152 , voc4cat:0007020 ; skos:prefLabel "reactor equipment"@en ; . voc4cat:0000189 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000189"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Optical systems involved in light irradiation."@en ; skos:inScheme ; skos:narrower voc4cat:0000157 , voc4cat:0000165 ; skos:prefLabel "optical equipment"@en ; . voc4cat:0005004 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005004"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005001 , voc4cat:0005002 , voc4cat:0005003 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A dimensionless physical quantity describing the fraction of a reactant that reacts in a chemical conversion. If a reactant is consumed completely its conversion is 1 (or 100 %)."@en ; skos:inScheme ; skos:prefLabel "conversion"@en ; . voc4cat:0005005 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005005"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005001 , voc4cat:0005002 , voc4cat:0005003 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A dimensionless physical quantity describing the fraction of a product B that is formed from a reactant A taking into account the stoichiometry. If A fully reacts to B without side-reactions, the yield of product B is 1 (or 100 %)."@en ; skos:inScheme ; skos:prefLabel "yield"@en ; . voc4cat:0005006 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005006"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005001 , voc4cat:0005002 , voc4cat:0005003 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition """A physical quantity that describes the amount of product produced per unit of time and unit of producing entity. The producing entity is for example the volume of a chemical reactor or in catalysis the mass or volume or moles of catalyst. Example unit: kg{product} / (hour * cubicmeter{catalyst})"""@en ; skos:inScheme ; skos:prefLabel "space-time yield"@en ; . voc4cat:0005056 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005056"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "specimen"@en ; skos:broadMatch ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A representative part of a material of interest on which observations are made."@en ; skos:inScheme ; skos:narrower voc4cat:0007811 , voc4cat:0007812 ; skos:prefLabel "material sample"@en ; . voc4cat:0007017 a skos:Concept ; dcterms:created "2024-03-23"^^xsd:date ; dcterms:identifier "0007017"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000180 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "An apparatus or system designed for the controlled execution of reactions, encompassing a wide range of processes including chemical, nuclear, biochemical, or other physical transformations."@en ; skos:inScheme ; skos:narrower voc4cat:0000193 , voc4cat:0007035 ; skos:prefLabel "reactor"@en ; . voc4cat:0007045 a skos:Concept ; dcterms:created "2025-01-07"^^xsd:date ; dcterms:identifier "0007045"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000180 ; skos:changeNote "0000-0002-4041-0165 Julia Schumann created the resource"@en ; skos:definition "A physical entity which is a human beeing."@en ; skos:inScheme ; skos:narrower voc4cat:0007042 , voc4cat:0007043 ; skos:prefLabel "person"@en ; . voc4cat:0007103 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007103"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007101 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "An abstract concept/ideal reactor model type, in which the volume of fluid in the reaction vessel is considered to be perfectly mixed which results in the same concentration of all components in the whole reaction volume."@en ; skos:inScheme ; skos:narrower voc4cat:0007106 , voc4cat:0007107 ; skos:prefLabel "stirred tank reactor model"@en ; . voc4cat:0007123 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007123"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A numerical value representing the ratio of the apparent size of a specimen as observed in an image to its true, physical size."@en ; skos:inScheme ; skos:prefLabel "sample magnification"@en ; . voc4cat:0007124 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007124"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The specific interval of time that a scanning probe, beam, or sensor remains stationary at a single, discrete coordinate or pixel to acquire data."@en ; skos:inScheme ; skos:prefLabel "scanning dwell time"@en ; . voc4cat:0007125 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007125"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The complete period during which a detector actively accumulates photons or other signal-generating particles to constitute a single, distinct measurement."@en ; skos:inScheme ; skos:prefLabel "signal integration time"@en ; . voc4cat:0007126 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007126"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "A predefined operational setting or configured strategy that dictates the specific protocol, parameters, and method by which experimental data is collected."@en ; skos:inScheme ; skos:prefLabel "acquisition mode"@en ; . voc4cat:0007127 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007127"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The calibrated span, from a minimum to a maximum intensity, within which an analytical instrument or detector can quantitatively measure or process an incoming signal."@en ; skos:inScheme ; skos:prefLabel "signal range"@en ; . voc4cat:0007128 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007128"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The defined set of dimensions, often expressed as the total number of discrete points or pixels in one or more coordinates, that constitute the structural grid for a data recording."@en ; skos:inScheme ; skos:prefLabel "measurement matrix size"@en ; . voc4cat:0007129 a skos:Concept ; dcterms:created "2025-11-18"^^xsd:date ; dcterms:identifier "0007129"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "The precise physical distance or step size that separates the centers of adjacent, discrete data acquisition points within a measurement scan or image."@en ; skos:inScheme ; skos:prefLabel "spatial sampling interval"@en ; . voc4cat:0007239 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007239"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The frequency of an alternating (ac) current is a measure of how many times the direction of the current flow changes, in the same direction, per second. As the direction of flow changes back and forth, the total number of directional changes, per second, is twice the frequency."@en ; skos:inScheme ; skos:narrower voc4cat:0007241 , voc4cat:0007242 ; skos:prefLabel "frequency"@en ; . voc4cat:0008084 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008084"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "dead time"@en , "dead-time"@en ; skos:broader voc4cat:0008099 , voc4cat:0008100 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Time interval after each detection event during which the detector is unable to record another event."@en ; skos:inScheme ; skos:prefLabel "detector dead time"@en ; . voc4cat:0000046 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000046"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000184 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Thorough search of available literature on the research topic of interest using online research platforms (e.g, Scopus, Google Scholar, Web of Science, Research Gate etc.) and / or libraries. Relevant literature can be found in the form of publications, books, abstracts and conference presentations."@en ; skos:inScheme ; skos:narrower voc4cat:0000047 , voc4cat:0000048 ; skos:prefLabel "literature research"@en ; . voc4cat:0000049 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000049"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "synthesis design"@en , "synthetic method"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Necessary steps needed to follow to reach the desired catalyst."@en ; skos:inScheme ; skos:narrower voc4cat:0007840 ; skos:prefLabel "synthesis procedure"@en ; . voc4cat:0000069 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000069"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "RAMAN"@en , "Raman"@en , "Raman scattering spectrometry"@en , "Raman spectrometry"@en , "raman scattering spectroscopy"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A spectroscopy technique studying the vibrational modes of molecules, by measuring the intensity and frequency of scattered by the sample of monochromatic light."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "Raman spectroscopy"@en ; . voc4cat:0000073 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000073"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "NMR"@en ; skos:broadMatch ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A spectroscopic technique that uses a static magnetic field and radiofrequency radiation to measure the magnetic resonance of atomic nuclei protons or electrons."@en ; skos:inScheme ; skos:prefLabel "nuclear magnetic resonance spectroscopy"@en ; . voc4cat:0000080 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000080"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "FT-IR"@en , "FT-IR spectroscopy"@en , "FTIR"@en , "FTIR spectrometry"@en , "FTIR spectroscopy"@en , "Fourier transform infra-red absoprtion spectroscopy"@en , "Fourier transform infra-red spectrometry"@en , "Fourier transform infrared (FT-IR)"@en , "Fourier transform infrared (FT-IR) spectroscopy"@en , "Fourier-transform infra-red absorption spectrometry"@en , "Fourier-transform infrared (FTIR) absorption spectroscopy"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A spectroscopic technique used to study the vibrational modes of chemical bonds of a sample using infrared radiation."@en ; skos:exactMatch ; skos:inScheme ; skos:prefLabel "Fourier transform infrared spectroscopy"@en ; . voc4cat:0000084 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000084"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The energy state occupied by an electron in a catalyst. This state can affect the electron's ability to participate in a catalytic reaction."@en ; skos:inScheme ; skos:narrower voc4cat:0000085 , voc4cat:0000086 ; skos:prefLabel "electronic state"@en ; . voc4cat:0000105 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000105"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Electron donors or hole scavengers used to reduce the recombination tendency of electrons and holes. Sacrificial reagents are used in catalysis to study an oxidation or reduction reaction separately."@en ; skos:inScheme ; skos:narrower voc4cat:0000106 , voc4cat:0000107 ; skos:prefLabel "sacrificial reagant"@en ; . voc4cat:0000108 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000108"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Operation mode under the which the experiment takes place: batch of continuous flow mode."@en ; skos:inScheme ; skos:narrower voc4cat:0000109 , voc4cat:0000110 ; skos:prefLabel "operation mode"@en ; . voc4cat:0000115 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000115"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The temperature (range) under which the catalytic reaction takes place."@en ; skos:inScheme ; skos:narrower voc4cat:0000116 , voc4cat:0000117 ; skos:prefLabel "experiment temperature"@en ; . voc4cat:0000118 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000118"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The pressure (range) under which the catalytic reaction takes place."@en ; skos:inScheme ; skos:narrower voc4cat:0000119 , voc4cat:0000120 ; skos:prefLabel "experiment pressure"@en ; . voc4cat:0000125 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000125"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0005001 , voc4cat:0005002 , voc4cat:0005003 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-5898-1820 David Linke generalized the definition"@en ; skos:definition "A dimensionless physical quantity describing how effective a reactant is converted to the desired product in a chemical conversion. It is calculated as the ratio between the amount of the desired product and the amount of the desired product that could have been formed if all reactants were converted to the desired product. The selectivity is 1 (or 100 %) if no other than the desired product is formed."@en ; skos:inScheme ; skos:prefLabel "selectivity"@en ; . voc4cat:0000129 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000129"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Spectroscopic or chromatographic methods used to identify the products of the reaction qualitatively and quantitatively. Such devices are usually attached to the reactor, or a sample is being transferred to an identification method via another medium (e.g., gastight syringes)."@en ; skos:inScheme ; skos:narrower voc4cat:0007813 , voc4cat:0007814 ; skos:prefLabel "product identification method"@en ; . voc4cat:0000137 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000137"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "MS"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An analytical technique which determines the mass-to-charge ratio of ions in a sample to give information about the composition of the sample."@en ; skos:exactMatch ; skos:inScheme ; skos:narrower voc4cat:0008211 ; skos:prefLabel "mass spectrometry"@en ; . voc4cat:0000142 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000142"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The range of parameters, critical for the safe operation of a reactor."@en ; skos:inScheme ; skos:narrower voc4cat:0000143 , voc4cat:0000148 ; skos:prefLabel "operation parameters"@en ; . voc4cat:0000143 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000143"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "operation pressure range"@en , "pressure range"@en , "range of operation pressure"@en ; skos:broader voc4cat:0000142 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Maximum and minimum of operation pressure range within the reactor can operate safely. Higher operation temperatures can lead to higher pressure values."@en ; skos:inScheme ; skos:narrower voc4cat:0000144 , voc4cat:0000145 ; skos:prefLabel "operation pressure"@en ; . voc4cat:0000148 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000148"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "operation temperature range"@en , "range of operation temperature"@en , "temperature range"@en ; skos:broader voc4cat:0000142 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Maximum and minimum of operation temperature range within the reactor can operate safely."@en ; skos:inScheme ; skos:narrower voc4cat:0000149 , voc4cat:0000150 ; skos:prefLabel "operation temperature"@en ; . voc4cat:0000159 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000159"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The dimension of the optical window (diameter / thickness) allowing the incoming light to enter the reaction chamber and interact with the catalyst."@en ; skos:inScheme ; skos:narrower voc4cat:0000160 , voc4cat:0000161 ; skos:prefLabel "optical window dimensions"@en ; . voc4cat:0007101 a skos:Concept ; dcterms:created "2024-05-10"^^xsd:date ; dcterms:identifier "0007101"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource"@en ; skos:definition "Chemical reactors are often classified by their abstract concept. The reactor model type characterizes the basic physicochemical behavior of a reactor and thus creates a level of comparability between reactors. Different reactor model types are often used in simulation to simplify complex equations and physical behaviors."@en ; skos:inScheme ; skos:narrower voc4cat:0007102 , voc4cat:0007103 , voc4cat:0007104 ; skos:prefLabel "reactor model type"@en ; . voc4cat:0007237 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007237"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0007206 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electrochemical measuring technique used for electrochemical analysis, for the determination of the kinetics and mechanism of electrode reactions, and for corrosion studies. \"Voltammetry\" is a family of techniques with the common characteristics that the potential of the working electrode is controlled (typically with a potentiostat) and the current flowing through the electrode is measured."@en ; skos:inScheme ; skos:narrower voc4cat:0000082 , voc4cat:0007207 , voc4cat:0007211 ; skos:prefLabel "voltammetry"@en ; . voc4cat:0007249 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007249"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "A device that converts chemical energy into electrical energy or vice versa when a chemical reaction is occurring in the cell. Typically, it consists of two metal electrodes immersed into an aqueous solution (electrolyte) with electrode reactions occurring at the electrode-solution surfaces. See also galvanic cell and electrolytic cell."@en ; skos:inScheme ; skos:narrower voc4cat:0000209 , voc4cat:0007256 , voc4cat:0007257 ; skos:prefLabel "electrochemical cell"@en ; . voc4cat:0008087 a skos:Concept ; dcterms:created "2025-08-27"^^xsd:date ; dcterms:identifier "0008087"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Dimensionless quantity that expresses how much of the incident radiation is absorbed by a material. It is defined as the negative logarithm of the ratio of transmitted intensity to the incident intensity. Absorbance depends on the absorption properties of the material, the path length, and the concentration of absorbing species."@en ; skos:inScheme ; skos:narrower voc4cat:0008088 , voc4cat:0008089 ; skos:prefLabel "absorbance"@en ; . voc4cat:0008218 a skos:Concept ; dcterms:created "2026-02-16"^^xsd:date ; dcterms:identifier "0008218"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource"@en ; skos:definition "An inert solid mixed with catalyst particles in a fixed bed to modify bed properties (e.g., improve heat transfer, hydrodynamics or isothermicity) without participating in the reaction."@en ; skos:inScheme ; skos:narrower voc4cat:0008210 , voc4cat:0008215 , voc4cat:0008216 ; skos:prefLabel "catalyst dilution material"@en ; . voc4cat:0000024 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000024"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The substate onto which a (powdered) catalyst is deposited. Such substrates include glass surfaces (e.g., borosilicate glass or conductive glass like ITO and FTO), ceramic substrates (e.g., alumina) or metal substrates (e.g., Ti foils, stainless steel etc.)."@en ; skos:inScheme ; skos:narrower voc4cat:0000026 , voc4cat:0000027 , voc4cat:0000032 ; skos:prefLabel "substrate"@en ; . voc4cat:0000166 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000166"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000165 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Source used to irradiate a catalyst in a reaction chamber. These include sources with various intensities, power, and wavelength ranges, including Hg/Xe lamps, Xe lamps and LEDs."@en ; skos:inScheme ; skos:narrower voc4cat:0000167 , voc4cat:0000168 , voc4cat:0000169 ; skos:prefLabel "light source"@en ; . voc4cat:0000180 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000180"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Entity with a concrete and physical nature."@en ; skos:inScheme ; skos:narrower voc4cat:0000187 , voc4cat:0000190 , voc4cat:0007017 , voc4cat:0007045 ; skos:prefLabel "physical entity"@en ; skos:topConceptOf ; . voc4cat:0000182 a skos:Concept ; dcterms:created "2024-08-21"^^xsd:date ; dcterms:identifier "0000182"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Anything that has a temporal dimension, whether it is an instantaneous point in time, a duration, or a sequence of events."@en ; skos:inScheme ; skos:narrower voc4cat:0000183 , voc4cat:0000184 , voc4cat:0000185 , voc4cat:0005057 ; skos:prefLabel "temporal abstract entity"@en ; skos:topConceptOf ; . voc4cat:0000270 a skos:Concept ; dcterms:created "2025-04-11"^^xsd:date ; dcterms:identifier "0000270"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "porous media"@en ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A solid substance featuring pores, the size, arrangement and shape of which govern the material’s permeability, adsorption properties, and mechanical properties."@en ; skos:inScheme ; skos:narrower voc4cat:0000198 , voc4cat:0000271 , voc4cat:0000272 ; skos:prefLabel "porous material"@en ; . voc4cat:0000286 a skos:Concept ; dcterms:created "2025-04-15"^^xsd:date ; dcterms:identifier "0000286"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "XAS"@en ; skos:broader voc4cat:0000066 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0009-0004-3786-0773 Carla Terboven added children"@en ; skos:definition "An element- and orbital- specific analytical technique that probes the energy-dependent absorption of X-rays from synchrotron radiation, to study the electronic and geometric properties of materials."@en ; skos:inScheme ; skos:narrower voc4cat:0008081 , voc4cat:0008082 ; skos:prefLabel "X-ray absorption spectroscopy"@en ; . voc4cat:0005001 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005001"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A measure to quantify how fast and selective a chemical conversion occurs in a reactor. A chemical conversion may include multiple reactions."@en ; skos:inScheme ; skos:narrower voc4cat:0000125 , voc4cat:0005004 , voc4cat:0005005 , voc4cat:0005006 ; skos:prefLabel "reactor performance measure"@en ; . voc4cat:0005002 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005002"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A measure to quantify how fast and selective a chemical conversion occurs. A chemical conversion may include multiple reactions."@en ; skos:inScheme ; skos:narrower voc4cat:0000125 , voc4cat:0005004 , voc4cat:0005005 , voc4cat:0005006 ; skos:prefLabel "chemical conversion performance measure"@en ; . voc4cat:0005003 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0005003"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A measure to quantify how fast and selective a chemical conversion occurs over in presence of a catalyst. A chemical conversion may include multiple reactions."@en ; skos:inScheme ; skos:narrower voc4cat:0000125 , voc4cat:0005004 , voc4cat:0005005 , voc4cat:0005006 ; skos:prefLabel "catalyst performance measure"@en ; . voc4cat:0005051 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005051"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A usage status of a pid4cat persistent identifier (PID)."@en ; skos:inScheme ; skos:narrower voc4cat:0005052 , voc4cat:0005053 , voc4cat:0005054 , voc4cat:0005055 ; skos:prefLabel "pid4cat status"@en ; . voc4cat:0007206 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007206"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000185 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "An electroanalytical technique based on the measurement of the electromotive force of an electrochemical cell comprised of a measuring and a reference electrode."@en ; skos:inScheme ; skos:narrower voc4cat:0007208 , voc4cat:0007209 , voc4cat:0007212 , voc4cat:0007237 ; skos:prefLabel "potentiometry"@en ; . voc4cat:0000020 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000020"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "immobilization"@en , "immobilization technique"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A technique used to deposit (immobilize) a (powdered) catalyst on a substate. These techniques include (but are not limited to): doctor blading, spin coating, spray coating, etc.."@en ; skos:inScheme ; skos:narrower voc4cat:0000021 , voc4cat:0000022 , voc4cat:0000023 ; skos:prefLabel "deposition technique"@en ; . voc4cat:0000027 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000027"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000024 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A flat surface made of glass serving as a substrate for the deposition of a catalyst."@en ; skos:inScheme ; skos:narrower voc4cat:0000028 , voc4cat:0000029 , voc4cat:0000030 , voc4cat:0000031 ; skos:prefLabel "glass substrate"@en ; . voc4cat:0000033 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000033"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The diamensions of the substrate."@en ; skos:inScheme ; skos:narrower voc4cat:0000034 , voc4cat:0000035 , voc4cat:0000036 , voc4cat:0000037 ; skos:prefLabel "substrate dimension"@en ; . voc4cat:0000040 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000040"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "The diamensions of the - deposited on the substrate - thin film."@en ; skos:inScheme ; skos:narrower voc4cat:0000041 , voc4cat:0000042 , voc4cat:0000043 , voc4cat:0000044 ; skos:prefLabel "thin film dimension"@en ; . voc4cat:0000191 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000191"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000192 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0009-0004-3786-0773 Carla Terboven added a child"@en ; skos:definition "A device designed to identify a measurable change or signal in a system, often providing a binary (detected / not detected) or a qualitative response."@en ; skos:inScheme ; skos:narrower voc4cat:0000131 , voc4cat:0000132 , voc4cat:0000133 , voc4cat:0000134 , voc4cat:0000138 , voc4cat:0008083 ; skos:prefLabel "detector"@en ; . voc4cat:0005011 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005011"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A collection of the resource categories used in pid4cat. Resource categories classify for which type of resource the PID is used, e.g. if the PID is for a sample or a device."@en ; skos:inScheme ; skos:narrower voc4cat:0005012 , voc4cat:0005013 , voc4cat:0005014 , voc4cat:0005015 , voc4cat:0005016 , voc4cat:0005017 ; skos:prefLabel "PID resource categories"@en ; . voc4cat:0007219 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007219"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "voltage"@en ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "Defined as the amount of work needed per unit of electric charge to move the charge from a reference point to a specific point in an electric field. By definition, the electric potential at the reference point is zero units. A typical reference point is earth (ground)."@en ; skos:inScheme ; skos:narrower voc4cat:0007213 , voc4cat:0007214 , voc4cat:0007215 , voc4cat:0007216 , voc4cat:0007217 , voc4cat:0007218 ; skos:prefLabel "electrical potential"@en ; . voc4cat:0008100 a skos:Concept ; dcterms:created "2025-09-08"^^xsd:date ; dcterms:identifier "0008100"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0009-0004-3786-0773 Carla Terboven created the resource"@en ; skos:definition "Measurable quantity that characterizes the performance or operational behavior of a detector during active operation."@en ; skos:inScheme ; skos:narrower voc4cat:0008084 , voc4cat:0008092 , voc4cat:0008093 , voc4cat:0008094 , voc4cat:0008095 , voc4cat:0008096 ; skos:prefLabel "detector performance measure"@en ; . voc4cat:0000170 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000170"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000186 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Specific of properties of the light source dictating its operation and its adequacy in the studied catalytic reaction."@en ; skos:inScheme ; skos:narrower voc4cat:0000171 , voc4cat:0000172 , voc4cat:0000173 , voc4cat:0000174 , voc4cat:0000175 , voc4cat:0000176 ; skos:prefLabel "light source property"@en ; . voc4cat:0007201 a skos:Concept ; dcterms:created "2024-02-28"^^xsd:date ; dcterms:identifier "0007201"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000187 ; skos:changeNote "0009-0008-1278-8890 Michael Götte created the resource"@en ; skos:definition "The two electronically conducting parts of an electrochemical cell."@en ; skos:inScheme ; skos:narrower voc4cat:0007202 , voc4cat:0007203 , voc4cat:0007204 , voc4cat:0007243 , voc4cat:0007248 , voc4cat:0007254 , voc4cat:0007255 ; skos:prefLabel "electrode"@en ; . voc4cat:0000194 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000194"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000190 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "A material that initiates or increases the rate of a catalytic reaction, without it being consumed in the process."@en ; skos:inScheme ; skos:narrower voc4cat:0000002 , voc4cat:0000017 , voc4cat:0000019 , voc4cat:0000038 , voc4cat:0000254 , voc4cat:0007003 , voc4cat:0007015 , voc4cat:0007034 ; skos:prefLabel "catalyst"@en ; . voc4cat:0000184 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000184"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000182 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Temporal entities that have a duration and occur at specific points in time."@en ; skos:inScheme ; skos:narrower voc4cat:0000046 , voc4cat:0000122 , voc4cat:0000124 , voc4cat:0000136 , voc4cat:0000140 , voc4cat:0000282 , voc4cat:0007007 , voc4cat:0007008 , voc4cat:0007027 , voc4cat:0007028 , voc4cat:0007030 , voc4cat:0007225 , voc4cat:0007251 ; skos:prefLabel "actions"@en ; . voc4cat:0000196 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000196"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "catalysis domain"@en ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "An area of study, focusing in a specific sub-section of the general field of catalysis."@en ; skos:inScheme ; skos:narrower voc4cat:0000001 , voc4cat:0000204 , voc4cat:0000207 , voc4cat:0000208 , voc4cat:0000216 , voc4cat:0000217 , voc4cat:0000232 , voc4cat:0000233 , voc4cat:0000246 , voc4cat:0000294 , voc4cat:0000296 , voc4cat:0007001 , voc4cat:0007002 ; skos:prefLabel "catalysis research field"@en ; . voc4cat:0000190 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000190"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000180 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Substances used as catalysts, supports, or reactants in catalytic processes."@en ; skos:inScheme ; skos:narrower voc4cat:0000003 , voc4cat:0000005 , voc4cat:0000024 , voc4cat:0000194 , voc4cat:0000197 , voc4cat:0000210 , voc4cat:0000268 , voc4cat:0000270 , voc4cat:0000293 , voc4cat:0000295 , voc4cat:0000300 , voc4cat:0000307 , voc4cat:0005056 , voc4cat:0008202 , voc4cat:0008203 , voc4cat:0008205 , voc4cat:0008218 ; skos:prefLabel "material"@en ; . voc4cat:0000187 a skos:Concept ; dcterms:created "2024-12-09"^^xsd:date ; dcterms:identifier "0000187"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000180 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Apparatus, devices, and instruments employed in the construction and operation of experimental setups and the analysis of catalytic reactions and materials."@en ; skos:inScheme ; skos:narrower voc4cat:0000061 , voc4cat:0000146 , voc4cat:0000151 , voc4cat:0000163 , voc4cat:0000188 , voc4cat:0000189 , voc4cat:0000192 , voc4cat:0000234 , voc4cat:0007012 , voc4cat:0007201 , voc4cat:0007205 , voc4cat:0007224 , voc4cat:0007230 , voc4cat:0007231 , voc4cat:0007232 , voc4cat:0007235 , voc4cat:0007236 , voc4cat:0007249 , voc4cat:0007250 ; skos:prefLabel "equipment"@en ; . voc4cat:0000066 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000066"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:altLabel "characterization"@en ; skos:broader voc4cat:0000185 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the resource"@en ; skos:definition "Techniques used to identify the (physico)chemical, morphological, structural, mechanical, optical and electrical properties of the syntesized catalysts. Characterization is performed after the synthesis of the catalysts to evaluate the success of the synthetic approach, but also after the completion of the evaluation of the materials in a reaction to ensure their stability under the selected experimental parameters."@en ; skos:inScheme ; skos:narrower voc4cat:0000067 , voc4cat:0000068 , voc4cat:0000069 , voc4cat:0000070 , voc4cat:0000071 , voc4cat:0000072 , voc4cat:0000073 , voc4cat:0000074 , voc4cat:0000075 , voc4cat:0000076 , voc4cat:0000077 , voc4cat:0000078 , voc4cat:0000079 , voc4cat:0000080 , voc4cat:0000081 , voc4cat:0000083 , voc4cat:0000286 , voc4cat:0000288 , voc4cat:0007807 , voc4cat:0007808 ; skos:prefLabel "characterization technique"@en ; . voc4cat:0005018 a skos:Concept ; dcterms:created "2025-01-23"^^xsd:date ; dcterms:identifier "0005018"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000181 ; skos:changeNote "0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "The type of relation between two resources. These relations are for example used to express relations between resources identified by their persistent identifiers."@en ; skos:inScheme ; skos:narrower voc4cat:0005019 , voc4cat:0005020 , voc4cat:0005021 , voc4cat:0005022 , voc4cat:0005023 , voc4cat:0005024 , voc4cat:0005025 , voc4cat:0005026 , voc4cat:0005027 , voc4cat:0005028 , voc4cat:0005029 , voc4cat:0005030 , voc4cat:0005031 , voc4cat:0005032 , voc4cat:0005033 , voc4cat:0005034 , voc4cat:0005035 , voc4cat:0005036 , voc4cat:0005037 , voc4cat:0005038 , voc4cat:0005039 , voc4cat:0005040 , voc4cat:0005041 , voc4cat:0005042 , voc4cat:0005043 , voc4cat:0005044 , voc4cat:0005045 , voc4cat:0005046 , voc4cat:0005047 , voc4cat:0005048 , voc4cat:0005049 , voc4cat:0005050 , voc4cat:0005059 ; skos:prefLabel "resource relation"@en ; . voc4cat:0000185 a skos:Concept ; dcterms:created "2024-08-21"^^xsd:date ; dcterms:identifier "0000185"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000182 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A series of temporal entities, like actions, events, changes, or functions that are not isolated but rather a connected sequence of activities. Processes often involve the transformation of inputs into outputs and can be conceptualized as workflows."@en ; skos:inScheme ; skos:narrower voc4cat:0000014 , voc4cat:0000020 , voc4cat:0000045 , voc4cat:0000049 , voc4cat:0000066 , voc4cat:0000087 , voc4cat:0000099 , voc4cat:0000100 , voc4cat:0000123 , voc4cat:0000130 , voc4cat:0000137 , voc4cat:0000141 , voc4cat:0000202 , voc4cat:0000205 , voc4cat:0000206 , voc4cat:0000221 , voc4cat:0000227 , voc4cat:0000239 , voc4cat:0000248 , voc4cat:0000249 , voc4cat:0000250 , voc4cat:0000251 , voc4cat:0000256 , voc4cat:0000262 , voc4cat:0000265 , voc4cat:0000266 , voc4cat:0000269 , voc4cat:0000273 , voc4cat:0000281 , voc4cat:0000285 , voc4cat:0000291 , voc4cat:0000304 , voc4cat:0007029 , voc4cat:0007031 , voc4cat:0007206 , voc4cat:0007238 , voc4cat:0008101 , voc4cat:0008102 ; skos:prefLabel "processes"@en ; . voc4cat:0000183 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000183"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:broader voc4cat:0000182 ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "An occurrence or happening, marked by a specific point in time. Events can be observed, recorded, and may have an impact on the state of the system or entities involved."@en ; skos:inScheme ; skos:narrower voc4cat:0000088 , voc4cat:0000089 , voc4cat:0000090 , voc4cat:0000091 , voc4cat:0000092 , voc4cat:0000093 , voc4cat:0000094 , voc4cat:0000095 , voc4cat:0000096 , voc4cat:0000097 , voc4cat:0000098 , voc4cat:0000220 , voc4cat:0000222 , voc4cat:0000223 , voc4cat:0000224 , voc4cat:0000226 , voc4cat:0000230 , voc4cat:0000236 , voc4cat:0000237 , voc4cat:0000241 , voc4cat:0000242 , voc4cat:0000243 , voc4cat:0000244 , voc4cat:0000245 , voc4cat:0000247 , voc4cat:0000252 , voc4cat:0000253 , voc4cat:0000258 , voc4cat:0000259 , voc4cat:0000260 , voc4cat:0000261 , voc4cat:0000276 , voc4cat:0000278 , voc4cat:0000280 , voc4cat:0000283 , voc4cat:0000289 , voc4cat:0000290 , voc4cat:0000297 , voc4cat:0000302 , voc4cat:0000303 , voc4cat:0000306 , voc4cat:0007234 ; skos:prefLabel "events"@en ; . voc4cat:0000181 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000181"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "Any entity that cannot be located in space-time. E.g., mathematical entities, formal semantics elements, regions within dimensional spaces, ideas, conceptual models."@en ; skos:inScheme ; skos:narrower voc4cat:0000007 , voc4cat:0000011 , voc4cat:0000012 , voc4cat:0000055 , voc4cat:0000062 , voc4cat:0000084 , voc4cat:0000101 , voc4cat:0000105 , voc4cat:0000128 , voc4cat:0000177 , voc4cat:0000178 , voc4cat:0000179 , voc4cat:0000196 , voc4cat:0000199 , voc4cat:0000200 , voc4cat:0000201 , voc4cat:0000203 , voc4cat:0000215 , voc4cat:0000218 , voc4cat:0000219 , voc4cat:0000225 , voc4cat:0000229 , voc4cat:0000231 , voc4cat:0000235 , voc4cat:0000238 , voc4cat:0000240 , voc4cat:0000255 , voc4cat:0000257 , voc4cat:0000263 , voc4cat:0000264 , voc4cat:0000267 , voc4cat:0000274 , voc4cat:0000275 , voc4cat:0000277 , voc4cat:0000279 , voc4cat:0000284 , voc4cat:0000287 , voc4cat:0000292 , voc4cat:0000298 , voc4cat:0000301 , voc4cat:0000309 , voc4cat:0005011 , voc4cat:0005018 , voc4cat:0005051 , voc4cat:0005058 , voc4cat:0007005 , voc4cat:0007006 , voc4cat:0007040 , voc4cat:0007041 , voc4cat:0007101 , voc4cat:0007246 , voc4cat:0007247 , voc4cat:0007793 , voc4cat:0007794 , voc4cat:0007809 , voc4cat:0007828 , voc4cat:0007829 , voc4cat:0007838 , voc4cat:0008201 , voc4cat:0008219 ; skos:prefLabel "non-temporal abstract entity"@en ; skos:topConceptOf ; . voc4cat:0000186 a skos:Concept ; dcterms:created "2023-08-11"^^xsd:date ; dcterms:identifier "0000186"^^xsd:token ; dcterms:modified "2026-02-18"^^xsd:date ; dcterms:provenance ; rdfs:seeAlso ; skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource"@en ; skos:definition "A characteristic of an entity that is intrinsic to and cannot exist without the entity. E.g., properties, characteristics, qualities of things, states."@en ; skos:inScheme ; skos:narrower voc4cat:0000004 , voc4cat:0000006 , voc4cat:0000008 , voc4cat:0000009 , voc4cat:0000010 , voc4cat:0000013 , voc4cat:0000016 , voc4cat:0000018 , voc4cat:0000025 , voc4cat:0000033 , voc4cat:0000039 , voc4cat:0000040 , voc4cat:0000050 , voc4cat:0000051 , voc4cat:0000052 , voc4cat:0000053 , voc4cat:0000054 , voc4cat:0000056 , voc4cat:0000057 , voc4cat:0000058 , voc4cat:0000059 , voc4cat:0000060 , voc4cat:0000063 , voc4cat:0000064 , voc4cat:0000065 , voc4cat:0000102 , voc4cat:0000103 , voc4cat:0000104 , voc4cat:0000108 , voc4cat:0000111 , voc4cat:0000112 , voc4cat:0000113 , voc4cat:0000114 , voc4cat:0000115 , voc4cat:0000118 , voc4cat:0000121 , voc4cat:0000126 , voc4cat:0000127 , voc4cat:0000129 , voc4cat:0000135 , voc4cat:0000139 , voc4cat:0000142 , voc4cat:0000153 , voc4cat:0000154 , voc4cat:0000155 , voc4cat:0000156 , voc4cat:0000158 , voc4cat:0000159 , voc4cat:0000162 , voc4cat:0000170 , voc4cat:0000211 , voc4cat:0000212 , voc4cat:0000213 , voc4cat:0000214 , voc4cat:0000228 , voc4cat:0000299 , voc4cat:0000305 , voc4cat:0000308 , voc4cat:0005001 , voc4cat:0005002 , voc4cat:0005003 , voc4cat:0005007 , voc4cat:0005008 , voc4cat:0005009 , voc4cat:0005010 , voc4cat:0007004 , voc4cat:0007009 , voc4cat:0007010 , voc4cat:0007013 , voc4cat:0007014 , voc4cat:0007016 , voc4cat:0007018 , voc4cat:0007021 , voc4cat:0007022 , voc4cat:0007023 , voc4cat:0007024 , voc4cat:0007025 , voc4cat:0007026 , voc4cat:0007032 , voc4cat:0007038 , voc4cat:0007039 , voc4cat:0007044 , voc4cat:0007046 , voc4cat:0007108 , voc4cat:0007109 , voc4cat:0007111 , voc4cat:0007112 , voc4cat:0007113 , voc4cat:0007114 , voc4cat:0007115 , voc4cat:0007116 , voc4cat:0007117 , voc4cat:0007118 , voc4cat:0007119 , voc4cat:0007120 , voc4cat:0007121 , voc4cat:0007122 , voc4cat:0007123 , voc4cat:0007124 , voc4cat:0007125 , voc4cat:0007126 , voc4cat:0007127 , voc4cat:0007128 , voc4cat:0007129 , voc4cat:0007210 , voc4cat:0007219 , voc4cat:0007220 , voc4cat:0007221 , voc4cat:0007222 , voc4cat:0007223 , voc4cat:0007226 , voc4cat:0007227 , voc4cat:0007228 , voc4cat:0007229 , voc4cat:0007233 , voc4cat:0007239 , voc4cat:0007240 , voc4cat:0007244 , voc4cat:0007245 , voc4cat:0007252 , voc4cat:0007253 , voc4cat:0007258 , voc4cat:0007260 , voc4cat:0007261 , voc4cat:0007262 , voc4cat:0007263 , voc4cat:0007803 , voc4cat:0007817 , voc4cat:0007839 , voc4cat:0007844 , voc4cat:0008085 , voc4cat:0008086 , voc4cat:0008087 , voc4cat:0008090 , voc4cat:0008091 , voc4cat:0008097 , voc4cat:0008099 , voc4cat:0008100 , voc4cat:0008204 , voc4cat:0008206 , voc4cat:0008207 , voc4cat:0008209 , voc4cat:0008212 , voc4cat:0008213 , voc4cat:0008217 ; skos:prefLabel "attributes"@en ; skos:topConceptOf ; . a skos:ConceptScheme ; dcterms:conformsTo ; dcterms:created "2023-06-29"^^xsd:date ; dcterms:creator , ; dcterms:identifier "https://doi.org/10.5281/zenodo.8313340" ; dcterms:modified "2026-02-24"^^xsd:date ; dcterms:publisher ; rdfs:seeAlso ; owl:versionInfo "v2026-02-24" ; skos:definition """The Voc4Cat vocabulary is a collection of concepts (or "terms") from the field of catalysis and related disciplines such as chemical engineering or materials science. For each concept, Voc4Cat provides a unique resolvable persistent identifier and a carefully written textual definition, which reflects the community's shared understanding of the concept's meaning. By using the identifiers provided by Voc4Cat to annotate data, rather than just words and symbols, ambiguity as to what is meant is avoided. Producing Voc4Cat-annotated data contributes to realising the vision of machine-actionability described as the ultimate goal of the FAIR principles. See also [voc4cat help](https://nfdi4cat.github.io/voc4cat/)."""@en ; skos:hasTopConcept voc4cat:0000180 , voc4cat:0000181 , voc4cat:0000182 , voc4cat:0000186 ; skos:historyNote "Created 2023-06-29."@en ; skos:prefLabel "Voc4Cat - A SKOS vocabulary for Catalysis."@en ; dcat:contactPoint ; foaf:homepage ; .