@prefix voc4cat: <https://w3id.org/nfdi4cat/voc4cat_> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

voc4cat:0000179
  a skos:Concept ;
  skos:prefLabel "ultraviolet"@en .

voc4cat:0000177
  a skos:Concept ;
  skos:prefLabel "infrared"@en .

voc4cat:0000176
  a skos:Concept ;
  skos:prefLabel "light wavelength"@en .

voc4cat:0000175
  a skos:Concept ;
  skos:prefLabel "light intensity"@en .

voc4cat:0000174
  a skos:Concept ;
  skos:prefLabel "light power output"@en .

voc4cat:0000173
  a skos:Concept ;
  skos:prefLabel "light operation voltage"@en .

voc4cat:0000172
  a skos:Concept ;
  skos:prefLabel "light operation current"@en .

voc4cat:0000171
  a skos:Concept ;
  skos:prefLabel "light source distance"@en .

voc4cat:0000170
  a skos:Concept ;
  skos:prefLabel "light source property"@en .

voc4cat:0000169
  a skos:Concept ;
  skos:prefLabel "light emitting diode"@en .

voc4cat:0000168
  a skos:Concept ;
  skos:prefLabel "xenon lamp"@en .

voc4cat:0000167
  a skos:Concept ;
  skos:prefLabel "mercury-xenon lamp"@en .

voc4cat:0000166
  a skos:Concept ;
  skos:prefLabel "light source"@en .

voc4cat:0000165
  a skos:Concept ;
  skos:prefLabel "irradiation system"@en .

voc4cat:0000164
  a skos:Concept ;
  skos:prefLabel "mass flow controller"@en .

voc4cat:0000163
  a skos:Concept ;
  skos:prefLabel "gas flow controller"@en .

voc4cat:0000162
  a skos:Concept ;
  skos:prefLabel "gas feed"@en .

voc4cat:0000161
  a skos:Concept ;
  skos:prefLabel "optical window thickness"@en .

voc4cat:0000160
  a skos:Concept ;
  skos:prefLabel "optical window diameter"@en .

voc4cat:0000159
  a skos:Concept ;
  skos:prefLabel "optical window dimensions"@en .

voc4cat:0000158
  a skos:Concept ;
  skos:prefLabel "optical window material"@en .

voc4cat:0000157
  a skos:Concept ;
  skos:prefLabel "optical window"@en .

voc4cat:0000156
  a skos:Concept ;
  skos:prefLabel "reaction chamber material"@en .

voc4cat:0000155
  a skos:Concept ;
  skos:prefLabel "reaction chamber shape"@en .

voc4cat:0000154
  a skos:Concept ;
  skos:prefLabel "reaction chamber dimension"@en .

voc4cat:0000153
  a skos:Concept ;
  skos:prefLabel "reaction chamber volume"@en .

voc4cat:0000152
  a skos:Concept ;
  skos:prefLabel "reaction chamber"@en .

voc4cat:0000151
  a skos:Concept ;
  skos:prefLabel "temperature controller"@en .

voc4cat:0000150
  a skos:Concept ;
  skos:prefLabel "minimum operation temperature"@en .

voc4cat:0000149
  a skos:Concept ;
  skos:prefLabel "maximum operation temperature"@en .

voc4cat:0000148
  a skos:Concept ;
  skos:prefLabel "operation temperature"@en .

voc4cat:0000147
  a skos:Concept ;
  skos:prefLabel "vacuum pump"@en .

voc4cat:0000146
  a skos:Concept ;
  skos:prefLabel "pressure controller"@en .

voc4cat:0000145
  a skos:Concept ;
  skos:prefLabel "minimum operation pressure"@en .

voc4cat:0000144
  a skos:Concept ;
  skos:prefLabel "maximum operation pressure"@en .

voc4cat:0000143
  a skos:Concept ;
  skos:prefLabel "operation pressure"@en .

voc4cat:0000142
  a skos:Concept ;
  skos:prefLabel "operation parameters"@en .

voc4cat:0000140
  a skos:Concept ;
  skos:prefLabel "mass spectrometer calibration"@en .

voc4cat:0000139
  a skos:Concept ;
  skos:prefLabel "mass spectrometer sensitivity"@en .

voc4cat:0000138
  a skos:Concept ;
  skos:prefLabel "mass spectrometer detector"@en .

voc4cat:0000136
  a skos:Concept ;
  skos:prefLabel "gas chromatograph calibration"@en .

voc4cat:0000135
  a skos:Concept ;
  skos:prefLabel "gas chromatograph sensitivity"@en .

voc4cat:0000134
  a skos:Concept ;
  skos:prefLabel "dielectric-barrier discharge ionization detector"@en .

voc4cat:0000133
  a skos:Concept ;
  skos:prefLabel "thermal conductivity detector"@en .

voc4cat:0000132
  a skos:Concept ;
  skos:prefLabel "flame ionization detector"@en .

voc4cat:0000131
  a skos:Concept ;
  skos:prefLabel "gas chromatograph detector"@en .

voc4cat:0000129
  a skos:Concept ;
  skos:prefLabel "product identification method"@en .

voc4cat:0000128
  a skos:Concept ;
  skos:prefLabel "photoreactor design"@en .

voc4cat:0000127
  a skos:Concept ;
  skos:prefLabel "product concentration"@en .

voc4cat:0000126
  a skos:Concept ;
  skos:prefLabel "apparent quantum yield"@en .

voc4cat:0000124
  a skos:Concept ;
  skos:prefLabel "evaluation"@en .

voc4cat:0000123
  a skos:Concept ;
  skos:prefLabel "blank experiment"@en .

voc4cat:0000122
  a skos:Concept ;
  skos:prefLabel "sample pre-treatment"@en .

voc4cat:0000121
  a skos:Concept ;
  skos:prefLabel "experiment pressure drop"@en .

voc4cat:0000120
  a skos:Concept ;
  skos:prefLabel "experiment final pressure"@en .

voc4cat:0000119
  a skos:Concept ;
  skos:prefLabel "experiment initial pressure"@en .

voc4cat:0000118
  a skos:Concept ;
  skos:prefLabel "experiment pressure"@en .

voc4cat:0000117
  a skos:Concept ;
  skos:prefLabel "experiment final temperature"@en .

voc4cat:0000116
  a skos:Concept ;
  skos:prefLabel "experiment initial temperature"@en .

voc4cat:0000115
  a skos:Concept ;
  skos:prefLabel "experiment temperature"@en .

voc4cat:0000114
  a skos:Concept ;
  skos:prefLabel "irradiation duration"@en .

voc4cat:0000113
  a skos:Concept ;
  skos:prefLabel "sampling interval"@en .

voc4cat:0000112
  a skos:Concept ;
  skos:prefLabel "purging duration"@en .

voc4cat:0000111
  a skos:Concept ;
  skos:prefLabel "experiment duration"@en .

voc4cat:0000110
  a skos:Concept ;
  skos:prefLabel "batch operation"@en .

voc4cat:0000109
  a skos:Concept ;
  skos:prefLabel "flow operation"@en .

voc4cat:0000108
  a skos:Concept ;
  skos:prefLabel "operation mode"@en .

voc4cat:0000107
  a skos:Concept ;
  skos:prefLabel "sacrificial donor"@en .

voc4cat:0000106
  a skos:Concept ;
  skos:prefLabel "sacrificial acceptor"@en .

voc4cat:0000105
  a skos:Concept ;
  skos:prefLabel "sacrificial reagant"@en .

voc4cat:0000104
  a skos:Concept ;
  skos:prefLabel "reactant flow rate"@en .

voc4cat:0000103
  a skos:Concept ;
  skos:prefLabel "reactant purity"@en .

voc4cat:0000102
  a skos:Concept ;
  skos:prefLabel "reactant concentration"@en .

voc4cat:0000101
  a skos:Concept ;
  skos:prefLabel "reactant"@en .

voc4cat:0000100
  a skos:Concept ;
  skos:prefLabel "photocatalytic experiment"@en .

voc4cat:0000099
  a skos:Concept ;
  skos:prefLabel "photocatalytic CO2 reduction"@en .

voc4cat:0000096
  a skos:Concept ;
  skos:prefLabel "photoexcitation"@en .

voc4cat:0000095
  a skos:Concept ;
  skos:prefLabel "charge separation"@en .

voc4cat:0000094
  a skos:Concept ;
  skos:prefLabel "desorption"@en .

voc4cat:0000092
  a skos:Concept ;
  skos:prefLabel "absorption"@en .

voc4cat:0000091
  a skos:Concept ;
  skos:prefLabel "charge recombination"@en .

voc4cat:0000090
  a skos:Concept ;
  skos:prefLabel "photoinduced charge generation"@en .

voc4cat:0000089
  a skos:Concept ;
  skos:prefLabel "photoinduced hole transfer"@en .

voc4cat:0000088
  a skos:Concept ;
  skos:prefLabel "photoinduced electron transfer"@en .

voc4cat:0000087
  a skos:Concept ;
  skos:prefLabel "photocatalytic process"@en .

voc4cat:0000086
  a skos:Concept ;
  skos:prefLabel "excited state"@en .

voc4cat:0000085
  a skos:Concept ;
  skos:prefLabel "ground state"@en .

voc4cat:0000084
  a skos:Concept ;
  skos:prefLabel "electronic state"@en .

voc4cat:0000066
  a skos:Concept ;
  skos:prefLabel "characterization technique"@en .

voc4cat:0000065
  a skos:Concept ;
  skos:prefLabel "concentration of chemical substance for synthesis"@en .

voc4cat:0000064
  a skos:Concept ;
  skos:prefLabel "volume of chemical substance for synthesis"@en .

voc4cat:0000063
  a skos:Concept ;
  skos:prefLabel "mass of chemical substance for synthesis"@en .

voc4cat:0000062
  a skos:Concept ;
  skos:prefLabel "chemical substance for synthesis"@en .

voc4cat:0000061
  a skos:Concept ;
  skos:prefLabel "synthesis equipment"@en .

voc4cat:0000060
  a skos:Concept ;
  skos:prefLabel "calcination dwelling time"@en .

voc4cat:0000059
  a skos:Concept ;
  skos:prefLabel "calcination heating rate"@en .

voc4cat:0000058
  a skos:Concept ;
  skos:prefLabel "calcination final temperature"@en .

voc4cat:0000057
  a skos:Concept ;
  skos:prefLabel "calcination initial temperature"@en .

voc4cat:0000056
  a skos:Concept ;
  skos:prefLabel "calcincation gas flow rate"@en .

voc4cat:0000055
  a skos:Concept ;
  skos:prefLabel "calcination gaseous environment"@en .

voc4cat:0000054
  a skos:Concept ;
  skos:prefLabel "calcination step"@en .

voc4cat:0000053
  a skos:Concept ;
  skos:prefLabel "synthesis pressure"@en .

voc4cat:0000052
  a skos:Concept ;
  skos:prefLabel "synthesis pH"@en .

voc4cat:0000051
  a skos:Concept ;
  skos:prefLabel "synthesis temperature"@en .

voc4cat:0000050
  a skos:Concept ;
  skos:prefLabel "synthesis duration"@en .

voc4cat:0000048
  a skos:Concept ;
  skos:prefLabel "literature organization"@en .

voc4cat:0000047
  a skos:Concept ;
  skos:prefLabel "literature collection"@en .

voc4cat:0000046
  a skos:Concept ;
  skos:prefLabel "literature research"@en .

voc4cat:0000045
  a skos:Concept ;
  skos:prefLabel "synthesis"@en .

voc4cat:0000044
  a skos:Concept ;
  skos:prefLabel "thin film area"@en .

voc4cat:0000043
  a skos:Concept ;
  skos:prefLabel "thin film depth"@en .

voc4cat:0000042
  a skos:Concept ;
  skos:prefLabel "thin film thickness"@en .

voc4cat:0000041
  a skos:Concept ;
  skos:prefLabel "thin film width"@en .

voc4cat:0000040
  a skos:Concept ;
  skos:prefLabel "thin film dimension"@en .

voc4cat:0000039
  a skos:Concept ;
  skos:prefLabel "thin film mass"@en .

voc4cat:0000038
  a skos:Concept ;
  skos:prefLabel "deposited sample"@en .

voc4cat:0000037
  a skos:Concept ;
  skos:prefLabel "substrate area"@en .

voc4cat:0000036
  a skos:Concept ;
  skos:prefLabel "substrate thickness"@en .

voc4cat:0000035
  a skos:Concept ;
  skos:prefLabel "substrate depth"@en .

voc4cat:0000034
  a skos:Concept ;
  skos:prefLabel "substrate width"@en .

voc4cat:0000033
  a skos:Concept ;
  skos:prefLabel "substrate dimension"@en .

voc4cat:0000032
  a skos:Concept ;
  skos:prefLabel "ceramic substrate"@en .

voc4cat:0000031
  a skos:Concept ;
  skos:prefLabel "quartz glass"@en .

voc4cat:0000030
  a skos:Concept ;
  skos:prefLabel "borosilicate glass"@en .

voc4cat:0000029
  a skos:Concept ;
  skos:prefLabel "indium tin oxide coated glass"@en .

voc4cat:0000028
  a skos:Concept ;
  skos:prefLabel "fluorine doped tin oxide coated glass"@en .

voc4cat:0000027
  a skos:Concept ;
  skos:prefLabel "glass substrate"@en .

voc4cat:0000026
  a skos:Concept ;
  skos:prefLabel "metallic substrate"@en .

voc4cat:0000025
  a skos:Concept ;
  skos:prefLabel "substrate material"@en .

voc4cat:0000024
  a skos:Concept ;
  skos:prefLabel "substrate"@en .

voc4cat:0000023
  a skos:Concept ;
  skos:prefLabel "spin coating"@en .

voc4cat:0000022
  a skos:Concept ;
  skos:prefLabel "doctor blading"@en .

voc4cat:0000021
  a skos:Concept ;
  skos:prefLabel "spray coating"@en .

voc4cat:0000018
  a skos:Concept ;
  skos:prefLabel "powder mass"@en .

voc4cat:0000017
  a skos:Concept ;
  skos:prefLabel "powdered catalyst"@en .

voc4cat:0000014
  a skos:Concept ;
  skos:prefLabel "modification technique"@en .

voc4cat:0000013
  a skos:Concept ;
  skos:prefLabel "specific surface area"@en .

voc4cat:0000012
  a skos:Concept ;
  skos:prefLabel "conduction band"@en .

voc4cat:0000011
  a skos:Concept ;
  skos:prefLabel "valence band"@en .

voc4cat:0000010
  a skos:Concept ;
  skos:prefLabel "bandgap energy"@en .

voc4cat:0000009
  a skos:Concept ;
  skos:prefLabel "pore size distribution"@en .

voc4cat:0000008
  a skos:Concept ;
  skos:prefLabel "crystallinity"@en .

voc4cat:0000007
  a skos:Concept ;
  skos:prefLabel "Fermi level"@en .

voc4cat:0000006
  a skos:Concept ;
  skos:prefLabel "semiconductor property"@en .

voc4cat:0000005
  a skos:Concept ;
  skos:prefLabel "metal oxide"@en .

voc4cat:0000004
  a skos:Concept ;
  skos:prefLabel "categories of semiconductors"@en .

voc4cat:0000003
  a skos:Concept ;
  skos:prefLabel "semiconductor"@en .

voc4cat:0000141
  a skos:Concept ;
  skos:prefLabel "liquid chromatography"@en .

voc4cat:0000137
  a skos:Concept ;
  skos:prefLabel "mass spectrometry"@en .

voc4cat:0000130
  a skos:Concept ;
  skos:prefLabel "gas chromatography"@en .

voc4cat:0000083
  a skos:Concept ;
  skos:prefLabel "Mott-Schottky analysis"@en .

voc4cat:0000082
  a skos:Concept ;
  skos:prefLabel "cyclic voltammetry"@en .

voc4cat:0000081
  a skos:Concept ;
  skos:prefLabel "Brunauer-Emmett-Teller surface area analysis"@en .

voc4cat:0000079
  a skos:Concept ;
  skos:prefLabel "ultraviolet-visible spectroscopy"@en .

voc4cat:0000078
  a skos:Concept ;
  skos:prefLabel "transmission electron microscopy"@en .

voc4cat:0000077
  a skos:Concept ;
  skos:prefLabel "X-ray diffraction"@en .

voc4cat:0000076
  a skos:Concept ;
  skos:prefLabel "X-ray photoelectron spectroscopy"@en .

voc4cat:0000075
  a skos:Concept ;
  skos:prefLabel "scanning electron microscopy"@en .

voc4cat:0000074
  a skos:Concept ;
  skos:prefLabel "photoluminescence"@en .

voc4cat:0000072
  a skos:Concept ;
  skos:prefLabel "thermogravimetric analysis"@en .

voc4cat:0000071
  a skos:Concept ;
  skos:prefLabel "differential scanning calorimetry"@en .

voc4cat:0000070
  a skos:Concept ;
  skos:prefLabel "atomic force microscopy"@en .

voc4cat:0000068
  a skos:Concept ;
  skos:prefLabel "electron energy loss spectroscopy"@en .

voc4cat:0000067
  a skos:Concept ;
  skos:prefLabel "X-ray fluorescence"@en .

voc4cat:0000178
  a skos:Concept ;
  skos:prefLabel "visible"@en .

voc4cat:0000098
  a skos:Concept ;
  skos:prefLabel "reduction"@en .

voc4cat:0000097
  a skos:Concept ;
  skos:prefLabel "oxidation"@en .

voc4cat:0000093
  a skos:Concept ;
  skos:prefLabel "adsorption"@en .

voc4cat:0000080
  a skos:Concept ;
  skos:prefLabel "Fourier transform infrared spectroscopy"@en .

voc4cat:0000073
  a skos:Concept ;
  skos:prefLabel "nuclear magnetic resonance spectroscopy"@en .

voc4cat:0000069
  a skos:Concept ;
  skos:prefLabel "Raman spectroscopy"@en .

voc4cat:0000049
  a skos:Concept ;
  skos:prefLabel "synthesis procedure"@en .

voc4cat:0000020
  a skos:Concept ;
  skos:prefLabel "deposition technique"@en .

voc4cat:0000015
  a skos:Concept ;
  skos:prefLabel "doping"@en .

voc4cat:0000002
  a skos:Concept ;
  skos:prefLabel "photocatalyst"@en .

voc4cat:0000001
  a skos:Concept ;
  skos:prefLabel "photocatalysis"@en .

<https://w3id.org/nfdi4cat/voc4cat>
  a skos:ConceptScheme ;
  skos:prefLabel "Voc4Cat - A SKOS vocabulary for Catalysis."@en .

voc4cat:0001901
  a skos:Collection ;
  rdfs:isDefinedBy <https://w3id.org/nfdi4cat/voc4cat> ;
  rdfs:seeAlso <https://github.com/nfdi4cat/voc4cat/blame/main/vocabularies/voc4cat/IDs0001xxx/0001901.ttl> ;
  dc:created "2023-08-11"^^xsd:date ;
  dc:identifier "0001901"^^xsd:token ;
  dc:modified "2026-02-18"^^xsd:date ;
  dc:provenance <https://github.com/nfdi4cat/voc4cat/blame/main/vocabularies/voc4cat/IDs0001xxx/0001901.ttl> ;
  skos:changeNote "0000-0002-6242-2167 Nikolaos G. Moustakas created the collection, 0000-0002-5898-1820 David Linke updated members"@en ;
  skos:definition "A collection of concepts referring to photocatalysis."@en ;
  skos:inScheme <https://w3id.org/nfdi4cat/voc4cat> ;
  skos:member voc4cat:0000179, voc4cat:0000177, voc4cat:0000176, voc4cat:0000175, voc4cat:0000174, voc4cat:0000173, voc4cat:0000172, voc4cat:0000171, voc4cat:0000170, voc4cat:0000169, voc4cat:0000168, voc4cat:0000167, voc4cat:0000166, voc4cat:0000165, voc4cat:0000164, voc4cat:0000163, voc4cat:0000162, voc4cat:0000161, voc4cat:0000160, voc4cat:0000159, voc4cat:0000158, voc4cat:0000157, voc4cat:0000156, voc4cat:0000155, voc4cat:0000154, voc4cat:0000153, voc4cat:0000152, voc4cat:0000151, voc4cat:0000150, voc4cat:0000149, voc4cat:0000148, voc4cat:0000147, voc4cat:0000146, voc4cat:0000145, voc4cat:0000144, voc4cat:0000143, voc4cat:0000142, voc4cat:0000140, voc4cat:0000139, voc4cat:0000138, voc4cat:0000136, voc4cat:0000135, voc4cat:0000134, voc4cat:0000133, voc4cat:0000132, voc4cat:0000131, voc4cat:0000129, voc4cat:0000128, voc4cat:0000127, voc4cat:0000126, voc4cat:0000124, voc4cat:0000123, voc4cat:0000122, voc4cat:0000121, voc4cat:0000120, voc4cat:0000119, voc4cat:0000118, voc4cat:0000117, voc4cat:0000116, voc4cat:0000115, voc4cat:0000114, voc4cat:0000113, voc4cat:0000112, voc4cat:0000111, voc4cat:0000110, voc4cat:0000109, voc4cat:0000108, voc4cat:0000107, voc4cat:0000106, voc4cat:0000105, voc4cat:0000104, voc4cat:0000103, voc4cat:0000102, voc4cat:0000101, voc4cat:0000100, voc4cat:0000099, voc4cat:0000096, voc4cat:0000095, voc4cat:0000094, voc4cat:0000092, voc4cat:0000091, voc4cat:0000090, voc4cat:0000089, voc4cat:0000088, voc4cat:0000087, voc4cat:0000086, voc4cat:0000085, voc4cat:0000084, voc4cat:0000066, voc4cat:0000065, voc4cat:0000064, voc4cat:0000063, voc4cat:0000062, voc4cat:0000061, voc4cat:0000060, voc4cat:0000059, voc4cat:0000058, voc4cat:0000057, voc4cat:0000056, voc4cat:0000055, voc4cat:0000054, voc4cat:0000053, voc4cat:0000052, voc4cat:0000051, voc4cat:0000050, voc4cat:0000048, voc4cat:0000047, voc4cat:0000046, voc4cat:0000045, voc4cat:0000044, voc4cat:0000043, voc4cat:0000042, voc4cat:0000041, voc4cat:0000040, voc4cat:0000039, voc4cat:0000038, voc4cat:0000037, voc4cat:0000036, voc4cat:0000035, voc4cat:0000034, voc4cat:0000033, voc4cat:0000032, voc4cat:0000031, voc4cat:0000030, voc4cat:0000029, voc4cat:0000028, voc4cat:0000027, voc4cat:0000026, voc4cat:0000025, voc4cat:0000024, voc4cat:0000023, voc4cat:0000022, voc4cat:0000021, voc4cat:0000018, voc4cat:0000017, voc4cat:0000014, voc4cat:0000013, voc4cat:0000012, voc4cat:0000011, voc4cat:0000010, voc4cat:0000009, voc4cat:0000008, voc4cat:0000007, voc4cat:0000006, voc4cat:0000005, voc4cat:0000004, voc4cat:0000003, voc4cat:0000141, voc4cat:0000137, voc4cat:0000130, voc4cat:0000083, voc4cat:0000082, voc4cat:0000081, voc4cat:0000079, voc4cat:0000078, voc4cat:0000077, voc4cat:0000076, voc4cat:0000075, voc4cat:0000074, voc4cat:0000072, voc4cat:0000071, voc4cat:0000070, voc4cat:0000068, voc4cat:0000067, voc4cat:0000178, voc4cat:0000098, voc4cat:0000097, voc4cat:0000093, voc4cat:0000080, voc4cat:0000073, voc4cat:0000001, voc4cat:0000002, voc4cat:0000015, voc4cat:0000020, voc4cat:0000049, voc4cat:0000069 ;
  skos:prefLabel "Photocatalysis collection"@en .