About: Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2

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About: Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2 Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Pure TiO2 and various silver-enriched TiO2 powders were prepared by the sol–gel process controlled in the reverse micellar environment. The catalysts were tested in CO2 photocatalytic reduction and characterized by X-ray diffraction (XRD), nitrogen adsorption measurement and UV–vis. Methane and methanol were the main reduction products. The yield of methane and methanol increases when modifying the TiO2 by silver incorporation is caused by two mechanisms: up to 5% of Ag in TiO2 the Ag impurity band inside the TiO2 bandgap decreases the absorption edge and increases so the electron–hole pair generation, above 5% of Ag in TiO2 Ag metallic clusters are formed in TiO2 crystals with Shottky barrier at the metal–semiconductor interface, which spatially separates electron and holes and increases their lifetime (decreases probability of their recombination) Pure TiO2 and various silver-enriched TiO2 powders were prepared by the sol–gel process controlled in the reverse micellar environment. The catalysts were tested in CO2 photocatalytic reduction and characterized by X-ray diffraction (XRD), nitrogen adsorption measurement and UV–vis. Methane and methanol were the main reduction products. The yield of methane and methanol increases when modifying the TiO2 by silver incorporation is caused by two mechanisms: up to 5% of Ag in TiO2 the Ag impurity band inside the TiO2 bandgap decreases the absorption edge and increases so the electron–hole pair generation, above 5% of Ag in TiO2 Ag metallic clusters are formed in TiO2 crystals with Shottky barrier at the metal–semiconductor interface, which spatially separates electron and holes and increases their lifetime (decreases probability of their recombination) (en)
Title	Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2 Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2 (en)
skos:prefLabel	Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2 Effect of Silver Doping on the TiO2 for Photocatalytic Reduction of CO2 (en)
skos:notation	RIV/67985858:_____/10:00348662!RIV11-GA0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GD203/08/H032), Z(AV0Z10100521), Z(AV0Z40720504), Z(MSM0021627501), Z(MSM6198910019)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šolcová, Olga Krejčíková, Simona
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	256158
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/10:00348662
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ag doping; TiO2; photocatalysis (en)
http://linked.open.../riv/klicoveSlovo	TiO2 photocatalysis Ag doping
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[354C4D62A18E]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis B - Environmental
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced catalytic processes and materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	96
http://linked.open...iv/tvurceVysledku	Šolcová, Olga Hospodková, Alice Kočí, K. Krejčíková, Simona Lacný, Z. Obalová, L. Čapek, L. Matějů, K. Plachá, D.
http://linked.open...ain/vavai/riv/wos	000277847300001
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection Aimed preparation of special compounds and materials and investigation of their physical and chemical properties and supramolecular structures Procesy snižování produkce CO2 - DeCOxProcesy
issn	0926-3373
number of pages	6 (xsd:int)

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