FTIR Fourier transform infra-red absoprtion spectroscopy Fourier-transform infra-red absorption spectrometry Fourier-transform infrared (FTIR) absorption spectroscopy Fourier transform infrared (FT-IR) spectroscopy FT-IR spectroscopy Fourier transform infra-red spectrometry FT-IR Fourier transform infrared (FT-IR) FTIR spectrometry FTIR spectroscopy 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000080 Fourier transform infrared spectroscopy A spectroscopic technique used to study the vibrational modes of chemical bonds of a sample using infrared radiation. 0000036 The thickness of the substrate. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource substrate thickness 0000257 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The effects a solvent exerts on chemical reactions and molecular properties. solvent effect 0009-0008-1278-8890 Michael Götte created the resource 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. 0007255 anode XPS X-ray photoelectron spectroscopy 0000076 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A technique that analyzes the chemical composition of an X-ray irradiated sample by measuring the energies of the emitted electrons. 0007115 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource entrance dead layer; inactive detection surface region detector window dead layer 0000299 Measure of the acidic strength of a solution. acidity 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource 0001901 A collection of concepts referring to photocatalysis. 0000-0002-6242-2167 Nikolaos G. Moustakas created the collection, 0000-0002-5898-1820 David Linke updated members Photocatalysis collection reactor design reactor engineering photoreactor engineering 0000128 photoreactor design Details describing the construction, physical dimensions, and operation of the photoreactor used to perform a photocatalytic reaction. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0005045 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. is collected by 0000-0002-5898-1820 David Linke created the resource operation temperature 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource temperature range range of operation temperature operation temperature range Maximum and minimum of operation temperature range within the reactor can operate safely. 0000148 cathode 0009-0008-1278-8890 Michael Götte created the resource 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. 0007254 A chemical reaction in which an acyclic (open-chain) precursor molecule is transformed into a cyclic structure. 0000220 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource cyclization reaction cyclization washing solvent wash liquid rinsing medium rinse solvent 0008205 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. 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource washing medium A collection of concepts most often appearing as publication keywords in the journal ChemCatChem (Wiley). 0000195 0000-0002-6242-2167 Nikolaos G. Moustakas created the collection ChemCatChem keyword collection enzyme catalysis A biocatalytic process performed in the presence of an enzyme. 0000207 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource reactant purity 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. 0000103 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource carbon dioxide TPD CO2-TPD 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 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. 0008216 carbon dioxide temperature programmed desorption 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource substrate dimension The diamensions of the substrate. 0000033 events 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource 0000183 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. cyclic voltammetry An electrochemical technique used to study the redox properties of a sample by measuring the current produced by an applied voltage sweep. cyclovoltammetry CV 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000082 attributes 0000186 A characteristic of an entity that is intrinsic to and cannot exist without the entity. E.g., properties, characteristics, qualities of things, states. 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource cooling device heating device temperature gauge temperature monitor temperature controller and monitor Equipment used for controlling and/or monitoring the temperature in various parts of a reactor. This can include hot plates, heating elements and cryostats. 0000151 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource temperature controller thermogravimetric (TG) analyses TGA thermal gravimetric analysis TG thermogravimetric (TG) analysis TG analysis TG measurements thermo-gravimetric analysis 0000072 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A thermal analysis technique used to measure the change of a sample’s mass under the influence of controlled applied temperature profiles. thermogravimetric analysis 0007224 A chemical compound (salt, acid, or base) that dissociates into electrically charged ions when dissolved in a solvent. electrolyte 0009-0008-1278-8890 Michael Götte created the resource electronic state The energy state occupied by an electron in a catalyst. This state can affect the electron's ability to participate in a catalytic reaction. 0000084 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource doping The introduction of foreign atoms into a semiconductor leading to the formation of new energy levels and charge concentrations. 0000015 0007107 batch stirred tank reactor model discontinuous stirred tank reactor model 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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). maximum operation temperature 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000149 Maximum of operation temperature range within the reactor can operate safely. reactor performance measure 0005001 A measure to quantify how fast and selective a chemical conversion occurs in a reactor. A chemical conversion may include multiple reactions. 0000-0002-5898-1820 David Linke created the resource 0000113 sampling interval The time in between the collection of two data points. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000181 non-temporal abstract entity 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource Any entity that cannot be located in space-time. E.g., mathematical entities, formal semantics elements, regions within dimensional spaces, ideas, conceptual models. 0000-0002-5898-1820 David Linke created the resource is part of 0005031 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. sacrificial donor 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A molecule that donates electrons from photoexcited species in a redox reaction and is subsequently consumed or degraded. 0000107 co-precipitation coprecipitation 0000-0001-5161-4801 Arjun Neyyathala created this resource A catalyst synthesis method in which two or more precursor species, typically dissolved metal salts, are simultaneously precipitated from a homogeneous solution by the addition of a precipitating agent (such as a base or carbonate). 0008124 0000023 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. spin coating spin-coating spin casting spin-casting 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0009-0008-1278-8890 Michael Götte created the resource The sum of all faradaic efficiencies in an experiment. If all current is accounted for should be 1. total faradaic efficiency 0007263 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 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. 0007121 data channel; signal bin measurement channel adsorption 0000093 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The adhesion of a gas, liquid or dissolved solid chemical of interest onto a solid surface. EELS 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource electron energy loss spectroscopy An analytical technique used to measure the energy loss of electrons passing through a sample. 0000068 0000-0002-4041-0165 Julia Schumann created the resource A method to synthesize mixed oxide/non-oxide powders by combustion of liquid precursor droplets in a flame. flame spray pyrolysis 0007031 0005010 0000-0002-5898-1820 David Linke created the resource consumption rate 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. rate of consumption 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). 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000129 product identification method experiment initial temperature 0000116 The temperature at the initiaton of the experiment. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource carbon-carbon coupling C-C coupling carbon-carbon coupling reaction A chemical reaction where a carbon-carbon bond is formed from two carbon-containing fragments. C-C coupling reaction 0000223 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource catalysis research field An area of study, focusing in a specific sub-section of the general field of catalysis. 0000196 catalysis domain 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-5898-1820 David Linke created the resource 0005033 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. is published in control experiment blank experiment 0000123 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource polymerization polymerization reaction polymerisation reaction polymerisation 0000304 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. frequency 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. 0009-0008-1278-8890 Michael Götte created the resource 0007239 An electrode that has a well known and stable equilibrium electrode potential. reaction class 0009-0008-1278-8890 Michael Götte created the resource 0007204 reference electrode 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. absorbance 0009-0004-3786-0773 Carla Terboven created the resource 0008087 0009-0008-1278-8890 Michael Götte created the resource 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. faradaic current 0007259 reaction time The period during which a chemical reaction is allowed to proceed under defined conditions. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008107 reaction duration 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. beam energy 0007108 primary energy; accelerating voltage; electron beam energy 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource The sum of all products after a catalytic reaction which is analysed to measure the catalytic performance. 0000-0003-4418-7455 Franziska Flecken created the resource product mixture 0007838 mass coverage The mass per area on a thin film sample, i.e. the working electrode. 0007245 0009-0008-1278-8890 Michael Götte created the resource true electrode area In contrast to substrate area, the actual area of a sample or electrode which is active. 0009-0008-1278-8890 Michael Götte created the resource active area 0007258 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource microreactor micro-channel reactor microstructured reactor micro-structured reactor micro-reactor microchannel reactor 0000234 A small-scale chemical reactor, with lateral dimensions in the submillimeter range, typically employing microchannels to facilitate reactions within a well-controlled confined space. 0007126 acquisition mode A predefined operational setting or configured strategy that dictates the specific protocol, parameters, and method by which experimental data is collected. 0000-0001-5886-7860 Hendrik Borgelt created this resource electrical charge density 0007253 Charge referred to the unit area of the electrode. Charge divided by electrode area. 0009-0008-1278-8890 Michael Götte created the resource Specific of properties of the light source dictating its operation and its adequacy in the studied catalytic reaction. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource light source property 0000170 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. 0000163 gas flow controller and monitor 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource gas flow controller 0007027 precipitation 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. 0000-0002-5898-1820 David Linke created the resource catalyst performance measure 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. 0005003 The resource documents another resource. 0005037 documents 0000-0002-5898-1820 David Linke created the resource A substance that is added to a reaction or material and influences the reaction outcome or material properties. additive 0007793 0000-0003-4418-7455 Franziska Flecken created the resource A solid substance featuring pores, the size, arrangement and shape of which govern the material’s permeability, adsorption properties, and mechanical properties. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource porous media 0000270 porous material 0000-0002-5898-1820 David Linke created the resource The type of relation between two resources. These relations are for example used to express relations between resources identified by their persistent identifiers. resource relation 0005018 conversion 0005004 0000-0002-5898-1820 David Linke created the resource 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 %). 0008092 Number of events per unit time arriving at the detector before dead time losses are considered. ICR incoming count rate 0009-0004-3786-0773 Carla Terboven created the resource The rate of flow of reactants (often in ml per min) in the photoreactor. Flow rates are usually controlled by mass flow controllers (MFCs). reactant flow rate 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000104 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. H cell 0007236 H-cell 0009-0008-1278-8890 Michael Götte created the resource Apparatus, devices, and instruments employed in the construction and operation of experimental setups and the analysis of catalytic reactions and materials. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource equipment 0000187 0000099 photocatalytic carbon dioxide reduction CO2 photoreduction artificial photosynthesis carbon dioxide photoreduction photocatalytic CO2 reduction 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). 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Mass of catalyst deposited onto the surface of a substrate. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000039 thin film mass inert gas concentration 0008214 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource Concentration of the inert gas used to perform an experiment. heterogeneous catalysis 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. 0000-0002-4041-0165 Julia Schumann created the resource 0007001 A lab-scale experiment performed to test the efficiency of a studied photocatalyst in a photocatalytic application. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource photocatalytic experiment 0000100 0005021 is supplement to The resource is supplemented by another resource. 0000-0002-5898-1820 David Linke created the resource 0000287 ligand 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource An ion or molecule that binds to a central atom through electron pair donation, to form a coordination complex compound. transition metal 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A chemical element in the d-block of the periodic table with a partially filled d-orbital. 0000309 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource photoluminescence 0000074 PL Light emission of lower energy photons from a sample upon its photoexcitation. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Components being integral parts of a catalytic reactor. 0000188 reactor equipment CC 0007212 0009-0008-1278-8890 Michael Götte created the resource chronocoulometry 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. 0000271 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A porous solid material containing pores with width smaller than 2nm. microporous material material sample A representative part of a material of interest on which observations are made. 0005056 0000-0002-5898-1820 David Linke created the resource specimen 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource calcination final temperature 0000058 Final temperature of the calcination step. 0000-0002-5898-1820 David Linke created the resource 0005030 is previous version of 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". substrate area substrate surface area 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000037 The surface area of the substrate. sample pretreatment sample pre-treatment Pre-treatment of a catalyst before the reaction is initiated. 0000122 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 Nikolaos Moustakas https://orcid.org/0000-0002-6242-2167 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000135 gas chromatograph sensitivity The minimum concentration of a product or intermediate that the gas chromatograph can identify. X-ray structure determination X-ray diffraction analysis X-ray analysis X-ray diffractometry XRD X-ray crystallographic analysis X-ray crystallography A technique which analyses the diffraction pattern produced when X-rays are scattered by a sample bombarded by a focused electron beam. X-ray diffraction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000077 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-5898-1820 David Linke generalized the definition 0000125 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. selectivity diastereoselectivity The ability of a chemical action to differentiate between diastereoisomers, leading to the preferential formation of one diastereoisomers over another. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000274 0000298 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. kinetics 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource semiconductor A material with electrical conductivity between that of a conductor and an insulator. 0000003 An electronic instrument that controls the electrical potential difference between the working and reference electrodes of a three-electrode cell at a preset value. potentiostat 0007205 0009-0008-1278-8890 Michael Götte created the resource 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. 0005057 0000-0002-5898-1820 David Linke created the resource spatio-temporal sample Τhe lowest energy state of a system. ground state 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000085 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource A component of a material that directly or indirectly influences its catalytic properties. 0008202 catalyst component The temperature at which a chemical reaction is happening. 0007013 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource reaction temperature 0000146 pressure controller pressure gauge pressure controller and monitor pressure monitor Equipment (e.g., a vacuum pump) used for controlling and / or monitoring the pressure in various parts of a reactor. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource pressure controller mass of chemical substance for synthesis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Mass of chemicals used for synthesis. 0000063 0007241 0009-0008-1278-8890 Michael Götte created the resource Initial frequency in for example an electrochemical impedance spectroscopy. initial frequency 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrolysis 0000306 A solvolysis reaction where the solvent material is water. hydrolysis reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A chemical compound formed by the reaction of a metal with oxygen. metal oxide 0000005 hydrosilation catalytic hydrosilation hydrosilylation reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrosilylation A chemical reaction where a silicon-hydrogen (Si-H) bond is added across an unsaturated bond typically catalyzed by a transition metal catalyst. 0000224 excited state Τhe temporary state of a system with higher energy than its ground state caused by an external factor. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000086 A single catalyst, integrating two distinct active sites with complementary functionalities, that participate synergistically in a chemical reaction. bifunctional catalyst 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000267 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource calcination heating rate Rate of increasing or decreasing the temperature during the calcination step. Usually mentioned in K min-1. 0000059 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. 0000136 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource gas chromatograph calibration irradiation system 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000165 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.. Heat treatment to reach the desired final catalyst. The parameters of the heat treatment can vary between each calcination step. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000054 heat treatment calcination heat-treatment calcination step 0009-0008-1278-8890 Michael Götte created the resource impedance 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. 0007240 solvent 0009-0008-1278-8890 Michael Götte created the resource 0007246 A liquid that dissolves another material. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008117 powder X-ray diffraction A technique used to determine the crystal structure and phase composition of solid materials by directing a beam of X-rays onto a finely powdered sample and measuring the angles and intensities of the diffracted X-rays, which produce a characteristic diffraction pattern. PXRD 0007018 reactor design type 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. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke provided the definition 0007201 electrode 0009-0008-1278-8890 Michael Götte created the resource The two electronically conducting parts of an electrochemical cell. A C-C (or C-X) bond forming reaction in which a nucleophile (typically an enolate), reacts with an α,β-unsaturated carbonyl compound. Michael addition reaction Michael reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000278 Michael addition The resource compiles another resource. Resources may be text or software. The compiler may be a computer program or a person. compiles 0005039 0000-0002-5898-1820 David Linke created the resource reaction mechanism 0000199 A reaction mechanism is the step-by-step sequence of elementary reactions at the molecular level that explains how an overall chemical reaction proceeds. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A name for a chemical reaction which assigns the reactants and (desired) products. reaction name 0007009 0000-0002-4041-0165 Julia Schumann created the resource OCR output count rate Number of events per unit time successfully processed and recorded by the detector after dead time losses. outgoing count rate 0008093 0009-0004-3786-0773 Carla Terboven created the resource Voc4Cat - A SKOS vocabulary for Catalysis. 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/). 2023-06-29 2026-09-01 v_5aede6cf Created 2023-06-29. https://doi.org/10.5281/zenodo.8313340 renewable resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000231 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. 0009-0004-3786-0773 Carla Terboven created the resource dead time correction 0008085 Mathematical correction applied to compensate for detector dead time effects in measured count rates. dead-time correction 0000198 mesoporous material 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A porous solid material containing pores with width between 2 and 50 nm. purging The process of treating an electrolyte solution with gas. 0009-0008-1278-8890 Michael Götte created the resource 0007225 0000106 sacrificial acceptor A molecule that accepts electrons from photoexcited species in a redox reaction and is subsequently consumed or degraded. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0005015 device A PID resource category for a physical device used in a research or manufacturing process. 0000-0002-5898-1820 David Linke created the resource 0008106 The weight percentage of the active metal relative to the total mass of the supported catalyst 0000-0001-5161-4801 Arjun Neyyathala created this resource metal loading sweep rate potential 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. 0009-0008-1278-8890 Michael Götte created the resource 0007213 scan rate potential The total duration of an experiment. 0000111 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource experiment duration precursor quantity 0008118 The quantity of a substance used as a starting material in the synthesis of a functional material (e.g., a catalyst), which undergoes transformation during the synthesis process. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000006 Characteristic properties of a semiconductor used in catalysis. These properties determine its performance in the studied catalytic application. semiconductor property resistance The measure of an electrical circuit element's inability to carry electrical current. 0007222 0009-0008-1278-8890 Michael Götte created the resource A technique used to deposit uniform thin films onto a substrate by spraying a solution of the material onto the surface. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000021 spray-coating spray coating 0008081 XAS Transmission Mode of XAS measurement where absorption is determined from transmitted X-rays. 0009-0004-3786-0773 Carla Terboven created the resource 0005028 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". is version of 0000-0002-5898-1820 David Linke created the resource 0005024 0000-0002-5898-1820 David Linke created the resource continues The resource continues another resource. 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.. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource immobilization immobilization technique 0000020 deposition technique BID 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource dielectric-barrier discharge ionization detector Detector incorporating Ionization via a new dielectric barrier discharge He plasma. 0000134 drying atmosphere 0008208 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource The gaseous environment present during drying of a material (e.g., air, nitrogen, oxygen, vacuum). 0007014 catalyst type Some characteristics that define the catalyst, which can be related to composition, active phase, or role. 0000-0002-4041-0165 Julia Schumann created the resource reaction chamber material Material used for the construction of the main body of the reaction chamber. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000156 0005047 is required by 0000-0002-5898-1820 David Linke created the resource The resource is required by another resource. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource characterization technique 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. characterization 0000066 ICP-OES inductively coupled plasma optical emission spectrometry 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. 0008210 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource The measure of the amount of dissolved material (solute) in a solution. 0007244 concentration 0009-0008-1278-8890 Michael Götte created the resource liquid-phase characterization liquid phase characterization liquid-phase analysis liquid phase analysis Analysis of the liquid sample from a catalytic test. 0000-0003-4418-7455 Franziska Flecken created the resource 0007813 A PID resource category for a data service, which is an organized system of operations that provide data processing functions or access to datasets. 0005017 0000-0002-5898-1820 David Linke created the resource data service 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000273 A technique of synthesizing substances from high-temperature and high-pressure aqueous solutions, typically performed in a sealed vessel. hydrothermal synthesis 0000-0001-5161-4801 Arjun Neyyathala created this resource The temperature at which a precursor solution is introduced into a support during impregnation, influencing mass transport, adsorption behavior, and the uniformity of precursor distribution within the material. impregnation temperature 0008121 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. electrochemical impedance spectroscopy 0007209 0009-0008-1278-8890 Michael Götte created the resource EIS 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000034 substrate width The width of the substrate. amination reaction amination The chemical reaction of adding an amino (-NH2) into a molecule to generate an amine. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000242 A particle with dimensions in the nanoscale range. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000293 nanoparticle 0007231 beker becker In laboratory equipment, a beaker is generally a cylindrical container with a flat bottom. 0009-0008-1278-8890 Michael Götte created the resource beaker 0000301 Lewis acid 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. absorbance of the sample 0008089 Absorbance measured on the investigated sample, quantifying how much of the incident radiation is absorbed relative to the incident beam. 0009-0004-3786-0773 Carla Terboven created the resource wet impregnation 0000-0001-5161-4801 Arjun Neyyathala created this resource A method used to prepare supported catalysts in which a metal precursor solution is added to a support material in an amount exceeding the support’s pore volume, forming a slurry. The mixture is then stirred, and the solvent is subsequently removed through evaporation. 0008132 The classification of a detector according to its underlying detection principle, design, or intended measurement mode 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007114 detector type 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. Mott-Schottky analysis 0000083 SEM measurement attribute Metadata attributes relevant for Scanning Electron Microscopy (SEM) 0000-0001-5886-7860 Hendrik Borgelt created this resource 0007130 A collection of concepts referring to material characterization techniques and methods to evaluate their efficiency in photocatalysis. Characterization and evaluation techniques 0001900 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource photocatalyst photocatalytic material 0000002 A material that absorbs photons (light) of appropriate energy and initiates or accelerates a photochemical reaction, while it regenerates itself after each reaction cycle. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource LSV 0007211 linear sweep voltammetry 0009-0008-1278-8890 Michael Götte created the resource A voltammetry where the voltage changes linearly over time from a initial potential to a final potential. measurement metadata attribute collection A collection of terms used in various measurement techniques, relevant in the domain of catalysis. (This collection is not exclusive) 0007131 0000-0001-5886-7860 Hendrik Borgelt created this resource 0000190 Substances used as catalysts, supports, or reactants in catalytic processes. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource material C-H activation reaction C-H bond activation carbon-hydrogen activation carbon-hydrogen bond activation C-H activation carbon-hydrogen activation reaction 0000202 A type of organic reaction in which a stable carbon-hydrogen (C-H) bond is cleaved and replaced with a C-X bond. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000235 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synergistic effect 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. chemical conversion 0005007 0000-0002-5898-1820 David Linke created the resource Describes a transformation that changes the chemical composition of involved materials. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A porous solid material containing pores with width larger than 50nm 0000272 macroporous material 0009-0008-1278-8890 Michael Götte created the resource 0007257 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. electrolytic cell 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. 0000205 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource epoxidation A catalytic process in which oxygen is removed from oxygenated organic compounds using hydrogen. hydrodeoxygenation reaction HDO 0000226 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrodeoxygenation 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008113 The category of mechanical or magnetic agitation device used to ensure homogeneous mixing within a reaction system or mixing vessel, such as a magnetic stirrer or an overhead mechanical (steel shaft) stirrer. stirrer type 0000283 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. electron transfer 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. carbon dioxide reduction CO2 reduction reaction carbon dioxide reduction reaction CO2 reduction 0000290 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000060 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource calcination dwelling time Time (usually in h) for which a desired temperature is held. The angle between the sample holder (stage) surface and the incident electron beam axis, used to optimize geometry for imaging or detection. tilt angle stage tilt 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007109 RHE 0007243 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. reversible hydrogen electrode 0009-0008-1278-8890 Michael Götte created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource absorption Absorption is the process in which energy (e.g., photons) or an absorbent (e.g., a gas) is taken up by an absorbate. 0000092 The part of the reactor where the catalyst is located, characterized by length, diameter, volume. 0000-0002-4041-0165 Julia Schumann created the resource catalyst bed 0007020 rate of formation 0000-0002-5898-1820 David Linke created the resource 0005009 formation rate 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. 0007019 continuous stirred tank reactor 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. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource CSTR 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource calcination initial temperature Initial temperature of the calcination step. 0000057 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource biotransformation 0000248 The modification of chemical compounds by biological entities (e.g., enzymes) to yield more biologically active products. 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource 0000184 Temporal entities that have a duration and occur at specific points in time. actions TOF 0007817 turnover frequency The number of converted substrate molecules per active catalytic site per time which is equal to the turnover number per time. 0000-0003-4418-7455 Franziska Flecken created the resource 0009-0004-3786-0773 Carla Terboven created the resource dead time dead-time 0008099 Time interval after an event during which a system or process is unable to respond to or record a subsequent event. 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. bandgap energy 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000010 Eg energy bandgap 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource A material or specimen with known and well-characterized properties that is used as a standard for calibration or validation of measurements. 0007122 measurement reference material 0000144 Maximum of operation pressure range within the reactor can operate safely. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource maximum operation pressure 0000-0001-5161-4801 Arjun Neyyathala created this resource catalyst support catalyst carrier 0008104 A solid material, typically porous and possessing a high surface area, onto which a catalytically active component is deposited. Eg.,silica, alumina, and carbon. Gas which is used in purging. purging gas 0007226 0009-0008-1278-8890 Michael Götte created the resource internal standard A compound that is added in a known concentration to a product mixture to determine the concentration of another compound. 0007829 0000-0003-4418-7455 Franziska Flecken created the resource 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. 0007828 0000-0003-4418-7455 Franziska Flecken created the resource external standard synthesis duration 0000050 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Duration of each synthesis step needed to synthesize the desired catalyst. 0000157 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource optical window A transparent material optimized to allow the transmission of electromagnetic radiation with low reflectance and scattering. XAS 0000286 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0009-0004-3786-0773 Carla Terboven added children X-ray absorption spectroscopy 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. is source of 0000-0002-5898-1820 David Linke created the resource 0005044 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. 0000276 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource aldol reaction 0000047 literature collection 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Assembly of literature research to include only the most relevant sources of information for the application / experiment / catalysts of interest. 0008122 0000-0001-5161-4801 Arjun Neyyathala created this resource An equipment, such as an oven, used to remove moisture and other volatile components from a material. drying device 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. electrochemical cell 0009-0008-1278-8890 Michael Götte created the resource 0007249 0000-0002-5898-1820 David Linke created the resource, 0000-0002-4041-0165 Julia Schumann modified the resource extent of reaction 0005008 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The flow of gas (usually in ml min-1) used in the calcination steps during synthesis. 0000056 gas flow rate in calcination calcincation gas flow rate 0009-0004-3786-0773 Carla Terboven created the resource energy photon energy 0008097 Energy of X-ray photons, representing the incident radiation in a measurement. X-ray photon energy 0008212 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource particle size 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. The resource cites another resource. 0000-0002-5898-1820 David Linke created the resource 0005020 cites 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. LC 0000141 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource liquid chromatography The fractions of analytes in a samples as determined by an analytical method. 0008209 composition 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource OCP measurement OCV measurement 0009-0008-1278-8890 Michael Götte created the resource The measurement of the open circuit voltage of an electrochemical cell. 0007251 open circuit voltage measurement 0000265 surface analysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The application of analytical techniques (e.g., spectroscopy and microscopy) to examine the composition, structure, and properties of surfaces. substrate 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000024 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.). 0007214 The minimal electrical potential in a cyclic voltammetry. This is where the sweep turns. 0009-0008-1278-8890 Michael Götte created the resource lower limit potential basicity Measure of the basic strength from OH- ions of a solution. 0000308 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007119 peak full width at half maximum Mn FWHM; energy resolution at Mn Kα; manganese peak width; Mn resolution; FWHM 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. 0000114 The total duration in which a catalyst is under irradiation by the selected light source. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource irradiation duration 0000-0001-5161-4801 Arjun Neyyathala created this resource The amount of a precipitation agent present per unit volume of a solution, which determines its ability to induce the formation of a solid precipitate from dissolved species under given conditions. precipitant concentration 0008125 0000277 carbon-hydrogen functionalization 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). 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource C-H functionalization 0000095 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The process of separating positive and negative charges in a semiconductor, typically as a result of an external force, (e.g., photoexcitation). charge separation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synthesis equipment 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. 0000061 The chemical or enzymatic incorporation of carbon dioxide into organic compounds (typically carbohydrates). carbon dioxide fixation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000285 A representative part of an entity of interest on which observations are made and which is created by statistical sampling or subset selection. statistical sample 0000-0002-5898-1820 David Linke created the resource 0005058 analytical measurement technique 0008201 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 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. Fano factor 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007118 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. energy fluctuation coefficient; charge generation variability factor liquid hourly space velocity 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0008213 LHSV 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. experiment pressure The pressure (range) under which the catalytic reaction takes place. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000118 0000027 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource glass substrate A flat surface made of glass serving as a substrate for the deposition of a catalyst. 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource 0000180 physical entity Entity with a concrete and physical nature. 0000302 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. isomerisation isomerisation reaction isomerization isomerization reaction water splitting H2O splitting 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A chemical reaction in which water molecules are dissociated into gaseous hydrogen and oxygen, typically facilitted by catalysts and an external energy source. 0000206 deposited sample A thin film of the catalyst deposited on an appropriate for the application substrate. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000038 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008119 The method by which impregnation is carried out, typically classified as wet impregnation or incipient wetness impregnation. impregnation method impregnation type 0009-0008-1278-8890 Michael Götte created the resource 0007256 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. galvanic cell in-plane rotation azimuth angle 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource sample azimuth angle 0007111 The in-plane rotation angle of the specimen around the beam axis, used to align crystallographic directions or detector orientation relative to the sample. 0005041 is original form of 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. 0000-0002-5898-1820 David Linke created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000238 surface chemistry A chemical processes occurring at surfaces and interfaces. 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. 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0008219 analytical measurement method 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000208 organocatalysis 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008112 institution An organization or system created to serve a specific purpose such as a university or a research center. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource thin film width 0000041 The width of the film of the deposited catalyst. 0000-0002-5898-1820 David Linke created the resource 0005019 The resource is cited by another resource. is cited by precursor 0000-0003-4418-7455 Franziska Flecken created the resource 0007794 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. 0007012 handbook 0000-0002-4041-0165 Julia Schumann created the resource A definition of best practice procedures to measure consistent datasets. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000213 A one-, two-, or three-, dimensional structure that has at least one dimension in the nanometer scale. nanostructure 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource modification technique 0000014 Techniques used to modify the properties of a catalyst, with the aim to increase its efficiency in a catalytic application. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource VB valence band 0000011 The band of energy levels in a solid fully occupied by electrons at 0 K (273.15 °C). 0009-0008-1278-8890 Michael Götte created the resource 0007221 current density Current referred to the unit area of the electrode. Current divided by the true electrode area. A collection of concepts related to X-ray Absorption Spectroscopy (XAS). XAS collection 0008098 0009-0004-3786-0773 Carla Terboven created the collection Gaseous fraction which is collected from the catalytic reaction mixture for analysis. gas sample 0000-0003-4418-7455 Franziska Flecken created the resource gaseous sample 0007812 operation mode 0000108 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Operation mode under the which the experiment takes place: batch of continuous flow mode. 0005029 0000-0002-5898-1820 David Linke created the resource is new version of 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". Liquid fraction which is collected from the catalytic reaction mixture for analysis. liquid sample 0007811 0000-0003-4418-7455 Franziska Flecken created the resource water chemistry The study of water’s properties and its interactions with other substances in chemical reactions. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000275 chirality 0000228 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The property of an asymmetric molecule that makes it non-superposable on its mirror image, resulting in enantiomers with distinct chemical or biological properties. final potential The electrical potential at which a linear sweep or cyclic voltammetry ends. 0007217 0009-0008-1278-8890 Michael Götte created the resource CB 0000012 conduction band The energy band of electronic levels of partially or fully filled mobile electrons in a metal or a semiconductor. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000018 powder mass 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Mass of a powdered catalyst used for an experiment. 0007045 A physical entity which is a human beeing. person 0000-0002-4041-0165 Julia Schumann created the resource 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)) . material 0005014 0000-0002-5898-1820 David Linke created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000004 categories of semiconductors Broad families of semiconducting materials (e.g., metal oxides) that can be used as catalysts in various applications. hydrothermal synthesis 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. 0007029 CO oxidation reaction carbon monoxide oxidation reaction carbon monoxide oxidation 0000289 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource CO oxidation The reaction in which carbon monoxide (CO) is converted to carbon dioxide (CO₂) through interaction with an oxidizing agent, typically oxygen (O₂). A chemical reaction of molecular hydrogen (H2) and another chemical species, typically facilitated by a catalyst. 0000260 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrogenation hydrogenation reaction 0000281 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Fischer-Tropsch process 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. The targeted oxidation of a specific bond or functional group in a molecule leaving other sites unaffected, often directed by a catalyst. 0000261 selective oxidation reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource selective oxidation The typically catalyzed reduction of carbonyl groups to form primary and secondary amines, through an imine intermediate. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000262 reductive amination reductive amination reaction radical A chemical species that contains at least one unpaired valence electron. 0000229 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-4041-0165 Julia Schumann created the resource 0007006 Those sites for adsorption which are the effective sites for a particular heterogeneous catalytic reaction. active centre active site is metadata for 0005026 The resource is metadata for another resource. 0000-0002-5898-1820 David Linke created the resource A chemical reaction which involves the cleavage of a chemical bond in the presence of hydrogen, often performed catalytically. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrogenolysis reaction 0000253 hydrogenolysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource asymmetric catalysis 0000217 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. The axial length of the packed catalyst section in a reactor, measured along the direction of flow between the defined bed boundaries. packed bed height bed height catalyst layer height catalyst bed height 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0008217 0000120 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The pressure at the end of the experiment or after a sampling event. experiment final pressure voltammogramm Graphical representation of the results of a voltammetric measurement. 0009-0008-1278-8890 Michael Götte created the resource 0007238 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource NMR 0000073 nuclear magnetic resonance spectroscopy A spectroscopic technique that uses a static magnetic field and radiofrequency radiation to measure the magnetic resonance of atomic nuclei protons or electrons. 0000300 Mixture of metals with certain (often improved) mechanical, chemical, electrical, magnetic or other properties. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource alloy 0009-0008-1278-8890 Michael Götte created the resource electrical charge 0007252 A basic property of matter that gives rise to all electric and magnetic forces and interactions. 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. Fischer-Tropsch technology 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0001-6434-6623 Aleksandr Fedorov defined the resource 0000292 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-4041-0165 Julia Schumann generalized the 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. catalyst form 0000016 0000245 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource metathesis reaction 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. metathesis 0007021 The bulk volume taken up by the catalyst and potential diluent in a fixed bed reactor. 0000-0002-4041-0165 Julia Schumann created the resource apparent catalyst volume catalyst bed volume 0009-0008-1278-8890 Michael Götte created the resource The number of cycles in a measurement, such as a cyclic voltammetry. number of voltammetry cycles 0007228 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource oxygen vacancy OV 0000279 A type of a structural point defect in a crystal lattice where an oxygen atom is missing from its expected position. The resource has metadata in another resource. 0005025 0000-0002-5898-1820 David Linke created the resource has metadata A device designed to identify a measurable change or signal in a system, often providing a binary (detected / not detected) or a qualitative response. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0009-0004-3786-0773 Carla Terboven added a child 0000191 detector is identical to 0005042 0000-0002-5898-1820 David Linke created the resource 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. Volume of chemicals used for synthesis. volume of chemical substance for synthesis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000064 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource photogenerated charges charge photo-generation electron excitation charge photogeneration electron-hole pair 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. photoinduced charge generation 0000090 0000089 photoinduced hole transfer 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The transfer of a hole initiated by the absorption of a photon of sufficient energy. 0000185 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. 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource processes 0008105 0000-0001-5161-4801 Arjun Neyyathala created this resource Specific environmental parameters under which a material is kept to maintain its stability and safety. storage conditions 0000179 VUV UV-A UV-C UV UV-B Electromagnetic radiation with a wavelength typically in the range of 100-400 nanometers. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource ultraviolet 0000043 The depth of the film of the deposited catalyst. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource thin film depth carbon dioxide hydrogenation reaction CO hydrogenation reaction carbon dioxide hydrogenation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The reaction of carbon dioxide (CO2) with molecular hydrogen (H2) to produce value-added hydrocarbons or alcohols. CO2 hydrogenation 0000259 mass spectrometry 0000137 MS An analytical technique which determines the mass-to-charge ratio of ions in a sample to give information about the composition of the sample. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource is continued by 0000-0002-5898-1820 David Linke created the resource The resource is continued by another resource. 0005023 metal-organic framework 0000197 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. MOF 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydrogen evolution reaction 0000241 HER A chemical reaction of generating molecular hydrogen in electrochemistry. fuel cell 0000209 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000-0002-4041-0165 Julia Schumann created the resource 0007043 The person starting or carrying out a planned process. experimenter 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 0007026 sampling frequency The number of datapoints per unit of time. Inverse of sampling interval. SAR structure activity relationship structure-activity relationship A study of the correlation between the chemical structure of a molecule, its functional properties and its biological activity. 0000225 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. XRES XRF X-ray emission spectrometry XES XRF spectrometry X-ray fluorescence spectroscopy X-ray fluorescence spectrometry XRF spectroscopy 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource X-ray fluorescence 0000067 0000-0002-5898-1820 David Linke created the resource 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}) 0005006 space-time yield The rate at which temperature increases with time, typically expressed in degree celsius or kelvin per unit time. heating rate heating ramp 0008116 0000-0001-5161-4801 Arjun Neyyathala created this resource 0000091 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource charge recombination 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. 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. 0000164 MFC MFCs mass flow controller 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0008129 A physical separation process in which a fluid containing suspended solids is passed through a porous material, whereby the solid particles are retained on or within the medium and the clarified fluid (filtrate) is separated. filtration 0000-0001-5161-4801 Arjun Neyyathala created this resource 0007032 reactor temperature 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. 0000-0002-4041-0165 Julia Schumann created the resource VIS visible light Vis 0000178 Electromagnetic radiation with wavelengths visible to the human eye, typically in the range of 400-800 nm. visible 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0008204 aging time maturation time aging duration 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000048 literature organization 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource transfer hydrogenation hydrogen transfer transfer hydrogenation reaction A chemical reaction in which hydrogen (not directly from molecular hydrogen) is transferred to a molecule. 0000244 A catalytic process where the catalytic species is present in the same physical phase as the reactants, typically in a sinlge liquid phase. homogeneous catalysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000294 fluorescence fluo 0008091 0009-0004-3786-0773 Carla Terboven created the resource fluorescence signal Measured detector signal resulting from fluorescence photons emitted by the sample upon X-ray excitation. 0009-0008-1278-8890 Michael Götte created the resource charge transport 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. 0007234 total measurement time real time RT 0009-0004-3786-0773 Carla Terboven created the resource 0008096 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. evaluation 0000124 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). domino reaction tandem reaction cascade reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource sequential reaction 0000230 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Concentration of the reactants used to perform an experiment. 0000102 reactant concentration syngas 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000268 synthesis gas A gas mixture comprised primarily of hydrogen (H2) and carbon monoxide (CO) in various ratios. 0000013 SSA 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource specific surface area Α measure of the total surface area of a material per unit mass or volume. dead-time dead time detector dead time 0009-0004-3786-0773 Carla Terboven created the resource 0008084 Time interval after each detection event during which the detector is unable to record another event. data object 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. 0000-0002-5898-1820 David Linke created the resource 0005016 AQY apparent photonic yield AQY% 0000126 apparent quantum yield 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. Analysis of the gaseous sample from a catalytic test. gas phase characterization gas-phase characterization gas-phase analysis 0007814 0000-0003-4418-7455 Franziska Flecken created the resource gas phase analysis 0007208 CP 0009-0008-1278-8890 Michael Götte created the resource 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. chronopotentiometry 0009-0004-3786-0773 Carla Terboven created the resource Measurable quantity that characterizes the performance or operational behavior of a detector during active operation. detector performance measure 0008100 Quantity of gas (expressed in terms of volume, moles or mass) flowing through a defined passage or boundary in a given period of time. 0008109 gas flow rate 0000-0001-5161-4801 Arjun Neyyathala created this resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The distance between two successive peaks or troughs in a wave. light wavelength 0000176 λ The resource is obsoleted by another resource. 0000-0002-5898-1820 David Linke created the resource 0005049 is obsoleted by The thickness of the film of the deposited catalyst. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000042 thin film thickness 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A chemical reaction that involves the removal of two or more hydrogen atoms from a molecule. dehydrogenation dehydrogenation reaction 0000297 impregnation duration 0008120 The length of time the support material is exposed to the impregnating solution prior drying. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008123 The total count of complete repetitions of a defined process or operation. Thereby each cycle represents one full sequence of steps that is carried out from start to finish under specified conditions. number of cycles 0000-0001-5161-4801 Arjun Neyyathala created this resource reaction mechanism 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 0007040 An information content entity that represents the proposed sequence of elementary reactions and intermediate species through which a chemical transformation proceeds. chemical reaction mechanism 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000236 oxygen evolution reaction A chemical reaction of generating molecular oxygen in electrochemistry. OER The resource is referenced by another resource. 0005034 0000-0002-5898-1820 David Linke created the resource is referenced by 0000182 Anything that has a temporal dimension, whether it is an instantaneous point in time, a duration, or a sequence of events. temporal abstract entity 0000-0002-6242-2167 Nikolaos G. Moustakas and 0000-0002-5898-1820 David Linke created the resource measurement matrix size 0007128 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource photoreaction chamber A construction inside of which the catalyst and the reactants coexist, and the reaction takes place. reaction chamber 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000152 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000030 A resistant to thermal shock type of glass, composed mainly of silica and boron trioxide. borosilicate glass manual energy shift 0009-0004-3786-0773 Carla Terboven created the resource 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). 0008090 The value of current (usually in A or mA) used to operate the selected light source. light operation current 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000172 0000-0002-4041-0165 Julia Schumann created the resource heterogeneous catalyst 0007003 A substance that increases the rate of a chemical reaction that is in a different phase than the reagents. The distance of the light source from the reaction chamber and the catalyst. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource light source distance 0000171 The degree of a three-dimensional structural order of atoms which constitute the crystal lattice of a material. crystallinity 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000008 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. 0000051 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synthesis temperature 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann edited the resource photoinduced electron transfer 0000088 The transfer of an electron initiated by the absorption of a photon of sufficient energy. chemical reactor 0007035 A device designed for the controlled execution of chemical reactions. 0000-0002-4041-0165 Julia Schumann created the resource 0007103 stirred tank reactor model 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. rotating-disk electrode 0007248 rotating disk electrode RDE 0009-0008-1278-8890 Michael Götte created the resource 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource The net time during which the detector is actively recording, excluding time lost to processing (dead time). live time; effective counting time; life time 0007113 active acquisition time 0000-0002-5898-1820 David Linke created the resource 0005059 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. conforms to The period during which volatile components such as solvents or water are removed from a material under defined conditions. drying time drying period drying duration 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0008206 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. 0007007 stability measurement 0000-0002-4041-0165 Julia Schumann created the resource turnover number 0000-0003-4418-7455 Franziska Flecken created the resource 0007803 TON The number of converted substrate molecules per active catalytic site. A step within the synthesis of a catalyst whereby a precursor is dissolved or dispersed in a solution. 0000-0003-4418-7455 Franziska Flecken created the resource solvation 0007840 light intensity 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000175 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. 0000203 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource photochemistry A branch of chemistry studying chemical reactions and processes driven and affected by light and the absorption of photons. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. 0007105 coiled tubular reactor model 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. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource reactor 0007017 0008083 SDD silicon-drift detector silicon drift detector 0009-0004-3786-0773 Carla Terboven created the resource Semiconductor-based X-ray detector type commonly used for fluorescence measurements, providing high energy resolution and fast count rates. fluorescence yield 0009-0004-3786-0773 Carla Terboven created the resource The ratio of emitted fluorescence photons to absorbed photons. 0008086 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000263 The tendency of a reaction to yield one stereoisomer preferentially over another. stereoselectivity tubular reactor model 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource A reactor model, in which opposing to the ideal plug flow behavior, friction is acting on the fluid, thus creating a residence time distribution. 0007104 0008101 0000-0001-5161-4801 Arjun Neyyathala created this resource catalyst leaching The loss of catalytically active species from a solid catalyst into the surrounding reaction medium. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Concentration of chemicals used for synthesis. 0000065 concentration of chemical substance for synthesis is supplemented by The resource supplements another resource. 0000-0002-5898-1820 David Linke created the resource 0005022 oxidation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The loss of electrons or an increase in the oxidation state of a species. 0000097 0000101 A starting substance that undergoes a chemical reaction to produce a desired product. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource reactant The effective diameter of the stirrer. Typically expressed as the distance across the rotating blade or mixing head from one tip to the opposite tip. 0008115 0000-0001-5161-4801 Arjun Neyyathala created this resource stirrer diameter incipient wetness impregnation 0000-0003-4418-7455 Franziska Flecken created the resource 0007806 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. IWI 0005051 pid4cat status A usage status of a pid4cat persistent identifier (PID). 0000-0002-5898-1820 David Linke created the resource FTO FTO glass 0000028 fluorine doped tin oxide coated glass Transparent conductive metal oxide (fluorine doped tin oxide) that can be used in the fabrication of transparent electrodes for thin films. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0008111 external standard concentration Known concentration of the compound that is used to generate a calibration curve which can then be used to determine the unknown concentration of a compound in a reaction mixture. 0000-0001-5161-4801 Arjun Neyyathala created this resource 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource scanning electron microscopy 0000075 SEM The range of parameters, critical for the safe operation of a reactor. operation parameters 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000142 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource reactor model type 0007101 optical window dimensions 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The dimension of the optical window (diameter / thickness) allowing the incoming light to enter the reaction chamber and interact with the catalyst. 0000159 0000-0002-5898-1820 David Linke created the resource The persistent identifier is obsolete, e.g. because the resource is referenced by another persistent identifier. obsoleted 0005054 0009-0004-3786-0773 Carla Terboven created the resource 0008082 XAS Fluorescence Mode of XAS measurement where absorption is probed via fluorescence yield. 0000194 catalyst A material that initiates or increases the rate of a catalytic reaction, without it being consumed in the process. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. 0007102 PFR model plug flow reactor model 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource ceramic substrate 0000032 A surface made of a ceramic material (e.g., alumina) serving as a substrate for the deposition of a catalyst. 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). 0000256 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource biomass conversion flow-mode flow mode continuous flow mode continuous-flow mode 0000109 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. flow operation Xe lamp Xe-lamp 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource xenon lamp 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. 0000168 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource purging duration 0000112 Time for which a gas is purged through the reaction chamber. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000105 sacrificial reagant 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. rate of reaction 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource reaction rate 0007024 collection 0005012 A PID resource category for a collection, which is a group of resources and/or other collections. 0000-0002-5898-1820 David Linke created the resource Final frequency in for example an electrochemical impedance spectroscopy. 0009-0008-1278-8890 Michael Götte created the resource final frequency 0007242 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000288 electron microscopy A microscopy technique that uses an electron beam as a source of sample illumination. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource reaction chamber shape The shape of the reaction chamber. In gas-phase reactions, reaction chambers have usually a cylindrical, cubical or rectangular shape. 0000155 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The process of designing and modifying protein structures via genetic or chemical alterations to improve their stability, activity, specificity, and functionality. protein engineering 0000221 0000266 directed evolution DE 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000233 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource base catalysis A process in which base abstracts protons (deprotonation or electron donation) or stabilizes reaction intermediates to accelerate a chemical reaction. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. UV-Vis 0000079 ultraviolet-visible spectroscopy A field of chemistry focused in solving chemical problems through the use of mathematical modelling, chemical theory and computational techniques. 0000264 computational chemistry 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource heterocycle 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource heterocyclic compound A cyclic compound composed of at least one atom other than carbon in its ring structure. 0000219 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource nitrogen heterocycle 0000284 A ring-shaped compound that contains at least one nitrogen atom as part of its cyclic structure along with carbon atoms. real time; clock time; elapsed acquisition time measurement reference time 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). 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007112 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. 0000174 light power output 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000201 cross-coupling cross-coupling reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. initial potential The electrical potential at which a linear sweep or cyclic voltammetry starts. 0009-0008-1278-8890 Michael Götte created the resource 0007216 nanocatalysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000246 The application of materials with dimensions in the nanoscale, to catalyze chemical reactions. 0005013 A PID resource category for a material sample ([voc4cat:0005056](https://w3id.org/nfdi4cat/voc4cat_0005056)). 0000-0002-5898-1820 David Linke created the resource sample 0007034 A catalyst where the active material is usually the minority phase and fixed on a high surface area, relatively inert solid. supported catalyst 0000-0002-4041-0165 Julia Schumann created the resource Treatment of a solid substance or mixtures of solids at elevated temperatures. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 0007030 calcination 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. optical window material 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000158 counter electrode 0009-0008-1278-8890 Michael Götte created the resource 0007203 CE 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. substrate material 0000025 The material that the substrate is made of. Common materials include: glass (conductive or not), ceramics and metal. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Fischer-Tropsch synthesis 0000280 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0005043 is derived from 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. 0000-0002-5898-1820 David Linke created the resource 0000-0002-4041-0165 Julia Schumann created the resource 0007036 catalytic reactor A chemical reactor in which the reaction is carried out in the presence of a catalyst. reagent 0000-0002-4041-0165 Julia Schumann created the resource 0007005 A substance that is added to a chemical reaction. The main technique applied to make the catalyst material out of pure substances. 0000-0002-4041-0165 Julia Schumann created the resource preparation method 0007016 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000062 chemical substance for synthesis Chemical substances used in the synthesis process of a desired catalyst. RAMAN Raman scattering spectrometry raman scattering spectroscopy Raman Raman spectrometry 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000069 Raman spectroscopy A spectroscopy technique studying the vibrational modes of molecules, by measuring the intensity and frequency of scattered by the sample of monochromatic light. literature research 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000046 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource kinetic resolution A process of separating two enantiomers of a chiral compound in a racemic mixture based on their different reaction rates in a chemical reaction. 0000249 hydrogen production The generation of molecular hydrogen (H2) through chemical transformations. 0000291 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. PID resource categories 0005011 0000-0002-5898-1820 David Linke created the resource 0000133 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource TCD thermal conductivity detector 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. 0000022 doctor blading 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A tape-casting method used to deposit thin films of a catalyst onto the surface of a substrate. A reaction rate that is normalized either to mass of active ingredient, surface area or certain measured adsorption sites. specific reaction rate 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 0007025 stirring rate The rate at which the stirrer rotates, typically expressed in revolutions per unit time (e.g. revolutions or rotations per minute, rpm). 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008114 stirring speed Quantity of liquid (expressed in terms of volume, moles or mass) flowing through a defined passage or boundary in a given period of time. liquid flow rate 0008110 0000-0001-5161-4801 Arjun Neyyathala created this resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource optical window diameter Diameter of the optical window allowing the incoming light to enter the reaction chamber and interact with the catalyst. 0000160 The maximal electrical potential in a cyclic voltammetry. This is where the sweep turns. upper limit potential 0009-0008-1278-8890 Michael Götte created the resource 0007215 0007247 0009-0008-1278-8890 Michael Götte created the resource The dissolved species (e.g., a salt) in a solution. solute optical equipment 0000189 Optical systems involved in light irradiation. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A measure to quantify how fast and selective a chemical conversion occurs. A chemical conversion may include multiple reactions. 0000-0002-5898-1820 David Linke created the resource 0005002 chemical conversion performance measure signal integration time 0007125 The complete period during which a detector actively accumulates photons or other signal-generating particles to constitute a single, distinct measurement. 0000-0001-5886-7860 Hendrik Borgelt created this resource 0009-0008-1278-8890 Michael Götte created the resource potentiometry An electroanalytical technique based on the measurement of the electromotive force of an electrochemical cell comprised of a measuring and a reference electrode. 0007206 The temperature at which a material is maintained during drying to control the removal of volatile constituents. drying temperature 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0008207 0000169 light emitting diode 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A solid-state semiconductor emitting light at highly controllable (narrow) wavelength ranges. light-emitting diode LED multicomponent reaction 0000251 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. MCR 0000138 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource mass spectrometer detector Detectors of the mass spectrometer used to identify the reaction products and intemediates. co-precipitation coprecipitation co precipitation 0007795 0000-0003-4418-7455 Franziska Flecken created the resource A synthesis method for chemical substances which includes the simultaneous precipitation of two or more precursors. 0000-0003-4418-7455 Franziska Flecken created the resource solubility Description if a substance is brought into a homogeneous solution in the presence of a liquid solvent or if it remains (partly) undissolved. 0007839 DSC differential scanning calorimetric (DSC) analysis differential scanning calorimetric analysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A thermal analysis technique which compares the heat flow in a sample and a reference material under controlled applied temperature profiles. 0000071 differential scanning calorimetry Α mechanical device that removes gas molecules from a sealed chamber reaching pressures lower than the atmospheric pressure. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000147 vacuum pump The process by which molecules or particles spontaneously organize into structured, well-defined functional systems, without external stimuli, but driven by local interactions. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource self-assembly 0000227 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. batch mode batch-mode batch operation 0000110 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 2025-12-30 Complete rewrite of definition folowing OBO-style genus-differentia by gh:dalito 2025-01-20 Concept created by gh:chumannj 0007041 A chemical process that proceeds through a single transition state in one molecular event, encompassing bond formation, bond cleavage, adsorption, desorption, or surface migration. elementary reaction elementary step 0000-0001-5161-4801 Arjun Neyyathala created this resource purification 0008130 The process of separating a desired substance from other components in a system, typically by removing contaminants or impurities. 0007002 0000-0002-4041-0165 Julia Schumann created the resource A process, during which elevated temperature is applied to increase the reaction rate of a reaction in presence of a catalyst. thermal catalysis 0000210 nanotube A hollow cylindrical tube-like material structure at the nanoscale. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource minimum operation temperature 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000150 Minimum of operation temperature range within the reactor can operate safely. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008102 catalyst deactivation 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. A catalyst that consists mainly of the active ingredient or phase. 0000-0002-4041-0165 Julia Schumann created the resource 0007015 bulk catalyst Electromagnetic radiation with wavelengths typically in the range of 800 nm - 20000 nm. 0000177 infrared IR Ir 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource An analytical technique that separates and analyzes the components of a gas mixture by passing it though a stationary phase. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000130 gas chromatography GC reaction conditions 0000-0002-4041-0165 Julia Schumann created the resource Collection of environmental variables of a reaction such as temperature, pressure, reagent concentrations and flow rate. 0007039 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000007 EF Fermi level The energy level in a semiconductor where the probability of finding an electron is 0.5. The persistent identifier is reserved but the resource is not yet linked. 0000-0002-5898-1820 David Linke created the resource 0005052 submitted 0000117 experiment final temperature 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The temperature at the end of the experiment. 0008218 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource catalyst dilution material 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. powdered catalyst 0000017 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A catalyst introduced to the reaction chamber in the form of a powder. membrane 0007235 separator 0009-0008-1278-8890 Michael Götte created the resource A thin structural material (usually a sheet) used to separate the electrolyte of a divided electrochemical cell into two or more compartments. A chemical synthesis process yielding stereoisomeric (enantiomeric or diastereomeric) products in different rations. 0000239 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource enantioselective synthesis asymmetric synthesis 0007010 0000-0002-4041-0165 Julia Schumann created the resource A group of chemical reactions with common conditions or reactants, e.g. Oxidation, Hydrogenation, Reduction, Cracking. reaction class reaction type 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000009 pore size distribution The range of pore sizes in a material. 0009-0008-1278-8890 Michael Götte created the resource faradaic efficiency The quotient of faradaic current to total current passed. 0007229 0007210 0009-0008-1278-8890 Michael Götte created the resource OCV open circuit voltage The cell voltage under zero current conditions. Brunauer-Emmett-Teller surface area analysis BET 0000081 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The study of physical adsorption of gas molecules on a solid surface for the calculation of the specific surface area of materials. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Hg-Xe lamp mercury xenon lamp Hg/Xe lamp 0000167 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. mercury-xenon lamp 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource enantioselectivity 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. 0000214 0000258 hydroxylation reaction hydroxylation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The addition of a hydroxyl group (-OH) to a molecule, typically by replacing a hydrogen atom. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000031 A type of pure silicon dioxide, highly crystalline glass that allows the transmission of light in the UV wavelength range. quartz glass quartz 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000096 photoexcitation photo-excitation 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. 0000-0002-4041-0165 Julia Schumann created the resource 0007042 preparator The person carrying out a synthesis preparation. electrical potential 0009-0008-1278-8890 Michael Götte created the resource voltage 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). 0007219 reaction chamber volume 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000153 gaseous environment in calcination A gas flow under which the calcination step takes place (e,g,, Ar or synthetic air). calcination gaseous environment 0000055 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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). 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource gas feed 0000162 gas flow 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). 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synthesis pressure 0000053 0000131 Detectors of the gas chromatogragh used to identify the reaction products and intemediates. gas chromatograph detector 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource hydroformylation reaction oxo synthesis oxo process 0000222 hydroformylation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. A type of catalytic test, where the depletion of formation of chemical substances is measured, usually performed under differential conditions 0007008 kinetic measurement 0000-0002-4041-0165 Julia Schumann created the resource absorbance of the reference 0008088 Absorbance measured on a reference material under the same experimental conditions as the sample. Typically used for calibration, normalization, or comparison. 0009-0004-3786-0773 Carla Terboven created the resource pressure range range of operation pressure operation pressure range operation pressure 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000143 Maximum and minimum of operation pressure range within the reactor can operate safely. Higher operation temperatures can lead to higher pressure values. 0000-0002-4041-0165 Julia Schumann created the resource 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. 0007044 dispersion The reduction half reaction where oxygen is reduced to water or hydrogen peroxide. In electrochemistry it takes place in the cathode. ORR oxygen reduction reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000237 synthesis procedure Necessary steps needed to follow to reach the desired catalyst. synthetic method synthesis design 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000049 0000215 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. density functional theory DFT 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0001-5886-7860 Hendrik Borgelt created this resource signal range 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. 0007127 0009-0004-3786-0773 Carla Terboven created the resource Time period during which a detector is actively recording or processing events, excluding periods of dead time. live time LT 0008095 effective measurement time product concentration 0000127 The concentration (usually in ppm or mol) of the products formed during a reaction. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000250 The reaction in which water is converted (usually electrochemically or photocatalytically) into oxygen and protons. water oxidation water oxidation reaction detector active layer thickness 0007116 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource detector excitation material thickness Minimum of operation pressure range within the reactor can operate safely. 0000145 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource minimum operation pressure The characteristics of a material or substance that determine how it interacts or responds to a magnetic field. 0000255 magnetic property 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-5898-1820 David Linke edited the definition 0007809 0000-0003-4418-7455 Franziska Flecken created the resource The gaseous environment in which a process, such as a catalytic test, synthesis or a measurement, takes place. atmosphere 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000166 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. light source 0000154 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Height, width and depth (in cubic- or rectangular- shaped reaction chambers) or diameter and height (in cylindrer - shaped reaction chambers). reaction chamber dimension 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 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. 0007028 impregnation 0000295 biomass 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-2367-1988 Norbert Kockmann defined the resource Organic mass of biological origin. mixing temperature 0008127 The bulk fluid temperature of the system at which the mixing process occurs to ensure consistent physical and chemical conditions. 0000-0001-5161-4801 Arjun Neyyathala created this resource 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. carbonylation reaction carbonylation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000247 continuous flow chemistry 0000269 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A chemical reaction that is performed in a continuous flow stream of reagents. flow chemistry The mass of a material sample. sample mass 0007038 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 0007129 spatial sampling interval 0000-0001-5886-7860 Hendrik Borgelt created this resource The precise physical distance or step size that separates the centers of adjacent, discrete data acquisition points within a measurement scan or image. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource FID flame ionization detector 0000132 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. chemoselectivity 0000212 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. A chemical reaction where two or more unsaturated molecules unite to form a ring-shaped (cyclic) compound. cycloaddition reaction 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource cycloaddition 0000243 space time 0008108 Quantity calculated as the quotient of the reactor volume and the volume flow at the reactor inlet. Represents the theoretical time required to process one reactor volume of fluid at the inlet volumetric flow rate. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0000204 A catalytic process catalyzed by the presence of biological entities. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource biocatalysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource electrochemical reactor 0000193 A reactor used to perform and study electrochemical reactions. 0007218 The electrical potential difference at which the potential in a linear sweep or cyclic voltammetry is altered. 0009-0008-1278-8890 Michael Götte created the resource step size potential 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource regioselectivity 0000211 alkylation 0000303 A chemical reaction where one or more alkyl groups is introduced into a molecular structure via covalent bond formation. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0007220 0009-0008-1278-8890 Michael Götte created the resource current 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). The temperature at 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. 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008131 aging temperature 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. TEM 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000078 transmission electron microscopy 0000140 mass spectrometer calibration 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. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000029 Transparent conductive metal oxide (indium tin oxide) that can be used in the fabrication of transparent electrodes for thin films. ITO ITO glass indium tin oxide coated glass 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The temperature (range) under which the catalytic reaction takes place. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000115 experiment temperature The thickness of the membrane. membrane thickness 0009-0008-1278-8890 Michael Götte created the resource 0007262 A material which directs and accelerates an electrochemical reaction while remaining unchanged in the process. electrocatalyst 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000254 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A device that measures a specific physical or chemical property and converts it into readable signal, often for continuous monitoring. 0000192 sensor 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. photocatalytic process 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000087 0007120 linear calibration 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource linear scaling calibration A method of scaling measurement output using a constant proportional relationship between the measured signal and its corresponding physical quantity. The composition of chemical species fed to the inlet of a chemical reactor. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource 0007004 reactor feed ammonia temperature programmed desorption NH3-TPD ammonia TPD 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. 0008215 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource 0009-0008-1278-8890 Michael Götte created the resource 0007237 voltammetry 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. 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. peak area 0009-0008-1278-8890 Michael Götte created the resource 0007261 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The area of the substrate covered by the deposited catalyst. 0000044 thin film area electrochemical environment The final environment in which the electrochemical reaction happens. Includes possibly purged electrolyte. 0009-0008-1278-8890 Michael Götte created the resource 0007223 0009-0008-1278-8890 Michael Götte created the resource 0007250 Equipment used in an electrochemical setup. electrochemical equipment A numerical value representing the ratio of the apparent size of a specimen as observed in an image to its true, physical size. sample magnification 0000-0001-5886-7860 Hendrik Borgelt created this resource 0007123 0000-0002-5898-1820 David Linke created the resource The resource is compiled by another resource. Resources may be text or software. The compiler may be a computer program or a person. is compiled by 0005038 GHSV gas hourly space velocity 0007023 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. 0000-0002-4041-0165 Julia Schumann created the resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource SFM atomic force imaging atomic-force microscopy AFM scanning force microscopy 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. atomic force microscopy 0000070 polyoxometalate 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. 0000307 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource POM 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource light operation voltage The value of voltage (usually in V or mV) used to operate the selected light source. 0000173 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synthesis pH 0000052 The pH value in each of the synthesis steps. The depth of the substrate. substrate depth 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000035 purging temperature Temperature for which a gas is purged through the reaction chamber. 0009-0008-1278-8890 Michael Götte created the resource 0007227 The time provided to a system (usually a fluid or mixture) to reach a specified degree of homogeneity after mixing begins. mixing duration mixing time 0000-0001-5161-4801 Arjun Neyyathala created this resource 0008126 0008103 0000-0001-5161-4801 Arjun Neyyathala created this resource Physical geometry and macroscopic form of the catalyst support. Eg., spherical, cubic, rod. support shape 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". 0005027 0000-0002-5898-1820 David Linke created the resource has version Ratio of the amount of one substance compared to the amount of another substance. 0000-0003-4418-7455 Franziska Flecken created the resource 0007844 molar equivalent 0000-0002-5898-1820 David Linke created the resource references The resource references another resource. 0005035 0000119 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource experiment initial pressure The pressure at the initiaton of the experiment or before a sampling event. 0000296 catalysis Acceleration of a chemical reaction induced by the presence of material that is chemically unchanged at the end of the reaction. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000-0002-5898-1820 David Linke created the resource 0005053 The persistent identifier is linked to a concrete resource. registered 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. green chemistry sustainable chemistry 0000200 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A process which catalyzes a chemical reaction through the absorption of sufficient light energy by a photocatalyst. 0000001 photocatalysis obsoletes The resource obsoletes another resource. 0000-0002-5898-1820 David Linke created the resource 0005050 0000240 stereoisomer Molecules with the same formula and atomic connectivity, but with different spatial arrangement of atoms. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. desorption 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000094 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 %). 0000-0002-5898-1820 David Linke created the resource 0005005 yield 0009-0008-1278-8890 Michael Götte created the resource Electrochemical cell in which analyte solution flows at a constant velocity through stationary tubular electrode(s). flow cell 0007232 0000282 DFT calculation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource The application of density functional theory (DFT) to compute the electonic structure of atoms, molecules and solids. density functional theory calculation 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource, 0000-0002-4041-0165 Julia Schumann generalized the 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. 0000019 thin film arylation arylation reaction A chemical reaction in which one or more aryl groups are added into a molecule, commonly facilitated by a catalyst. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000252 The resource is documented by another resource. 0005036 0000-0002-5898-1820 David Linke created the resource is documented by CA 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. 0009-0008-1278-8890 Michael Götte created the resource 0007207 chronoamperometry The collection of instruments and devices used in an electochemical reaction. Can include electrodes, flow cells, beaker, does not include the electrochemical environment. electrochemical setup 0009-0008-1278-8890 Michael Götte created the resource 0007230 0008128 The sequence in which reactants, solvents, or other components are introduced into a system during a process. order of addition 0000-0001-5161-4801 Arjun Neyyathala created this resource Characterization during the ongoing catalytic process whereby the catalytic activity is measured simultaneously. operando analysis 0000-0003-4418-7455 Franziska Flecken created the resource operando characterization 0007807 0000-0002-5898-1820 David Linke created the resource 0005048 requires The resource requires another resource. NFDI4Cat Consortium https://w3id.org/nfdi4cat/ voltammetry cycle 0007233 In voltammetry: a complementary pair of forward and reverse potential sweeps. 0009-0008-1278-8890 Michael Götte created the resource continuous stirred tank reactor model 0007106 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0000-0002-5898-1820 David Linke contributed to the definition of the resource CSTR model A stirred tank reactor model with always present feed and effluent streams. 0000216 A catalytic process that facilitates reactions by controlling charge transfer at the electrode-electrolyte interface. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource electrocatalysis experiment pressure drop 0000121 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. in-situ analysis in situ analysis in situ characterization in-situ characterization 0000-0003-4418-7455 Franziska Flecken created the resource Characterization under the catalytic conditions without measuring the catalytic activity simultaneously. 0007808 TLT 0008094 trigger live time Time period during which a detector is ready to trigger on incoming events. 0009-0004-3786-0773 Carla Terboven created the resource is variant form of 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. 0000-0002-5898-1820 David Linke created the resource 0005040 0000-0001-5886-7860 Hendrik Borgelt created this resource The specific interval of time that a scanning probe, beam, or sensor remains stationary at a single, discrete coordinate or pixel to acquire data. scanning dwell time 0007124 0000-0002-4041-0165 Julia Schumann created the resource, WHSV 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. weight hourly space velocity 0007046 Voc4Cat curator group https://github.com/orgs/nfdi4cat/teams/voc4cat-curators 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource reduction 0000098 The gain of electrons or a decrease in the oxidation state of a species. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource Thickness of the optical window allowing the incoming light to enter the reaction chamber and interact with the catalyst. 0000161 optical window thickness 0005046 collects 0000-0002-5898-1820 David Linke created the resource 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. electrochemistry 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 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. 0000218 working electrode 0009-0008-1278-8890 Michael Götte created the resource The electrode in a three-electrode cell where "the action is". WE 0007202 0000-0002-5898-1820 David Linke created the resource deprecated The persistent identifier is deprecated, e.g. because the resource can no longer be found. 0005055 metallic substrate 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource A flat surface made of a metal (e.g., titanium, stainless steel) serving as a substrate for the deposition of a catalyst. 0000026 stability The quality of being free from change or variation or not taking part in chemical change. 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000305 0007260 retention time 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. 0009-0008-1278-8890 Michael Götte created the resource 0005032 has part 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. 0000-0002-5898-1820 David Linke created the resource 0008211 ICP-MS 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. 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource inductively coupled plasma mass spectrometry 0000045 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource synthesis 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. The diamensions of the - deposited on the substrate - thin film. thin film dimension 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource 0000040 sieve fraction The portion of a powder catalyst sample that passes through a standard sieve of specified number and is retained by some finer sieve. 0007022 0000-0002-4041-0165 Julia Schumann created the resource The minimum concentration of a product or intermediate that the mass spectrometer can identify. mass spectrometer sensitivity 0000139 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource sensor window material; detector window material 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. 0000-0001-5886-7860 Hendrik Borgelt created this resource, 0009-0006-1375-2895 Marc Völkenrath contributed to the definition of the resource 0007117 0008203 0000-0002-5561-4320 Ivo Kuehnrich and 0000-0001-5886-7860 Hendrik Borgelt created this resource A reagent which is added to a liquid solution to induce precipitation by reduction of solubility. precipitation agent 0000232 A process in which an acid donates protons (protonation or electron withdrawal) or stabilizes reaction intermediates to accelerate a chemical reaction. acid catalysis 0000-0002-6242-2167 Nikolaos G. Moustakas created the resource David Linke https://orcid.org/0000-0002-5898-1820