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Statements

Subject Item
n2:RIV%2F61989100%3A27710%2F11%3A86080628%21RIV15-MSM-27710___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Photocatalytic reduction of CO2 by water was performed in the presence of a Ag/TiO2 catalyst under illumination by lamps with different wavelengths (254, 365, and 400 nm). The yields of the main products (methane and methanol) were higher with the 254 nm lamp than with the 365 lamp while no products were observed with the 400 nm lamp. This was because the electron-hole generation rate increased with increasing energy of irradiation (decreasing wavelength) and there were higher densities of electron states at higher energies in TiO2. The increased efficiency of electron-hole generation with a shorter wavelength irradiation increased the efficiency of the catalyst. The energy of the electrons excited by visible light (400 nm) was too low for CO2 photocatalytic reduction. Photocatalytic reduction of CO2 by water was performed in the presence of a Ag/TiO2 catalyst under illumination by lamps with different wavelengths (254, 365, and 400 nm). The yields of the main products (methane and methanol) were higher with the 254 nm lamp than with the 365 lamp while no products were observed with the 400 nm lamp. This was because the electron-hole generation rate increased with increasing energy of irradiation (decreasing wavelength) and there were higher densities of electron states at higher energies in TiO2. The increased efficiency of electron-hole generation with a shorter wavelength irradiation increased the efficiency of the catalyst. The energy of the electrons excited by visible light (400 nm) was too low for CO2 photocatalytic reduction.
dcterms:title
Wavelength Effect on Photocatalytic Reduction of CO2 by Ag/TiO2 Catalyst Wavelength Effect on Photocatalytic Reduction of CO2 by Ag/TiO2 Catalyst
skos:prefLabel
Wavelength Effect on Photocatalytic Reduction of CO2 by Ag/TiO2 Catalyst Wavelength Effect on Photocatalytic Reduction of CO2 by Ag/TiO2 Catalyst
skos:notation
RIV/61989100:27710/11:86080628!RIV15-MSM-27710___
n3:aktivita
n7:Z n7:I n7:P
n3:aktivity
I, P(GA104/09/0694), P(LA08050), Z(AV0Z10100521), Z(AV0Z40720504)
n3:cisloPeriodika
5
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
n14:3750396
n3:druhVysledku
n16:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
241556
n3:idVysledku
RIV/61989100:27710/11:86080628
n3:jazykVysledku
n12:eng
n3:klicovaSlova
silver doping, titania, carbon dioxide reduction, photocatalysis, wavelength
n3:klicoveSlovo
n5:wavelength n5:carbon%20dioxide%20reduction n5:silver%20doping n5:titania n5:photocatalysis
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[A0004AEF6494]
n3:nazevZdroje
Chinese Journal of Catalysis
n3:obor
n15:CF
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
8
n3:projekt
n11:GA104%2F09%2F0694 n11:LA08050
n3:rokUplatneniVysledku
n6:2011
n3:svazekPeriodika
32
n3:tvurceVysledku
Obalová, Lucie Šolcová, Olga Zatloukalová, Kateřina Krejčíková, Simona Lacný, Zdenek Hospodková, Alice Kočí, Kamila Čapek, Libor
n3:zamer
n10:AV0Z10100521 n10:AV0Z40720504
s:issn
0253-9837
s:numberOfPages
4
n9:organizacniJednotka
27710