About: Mesoporous films of TiO2 as efficient photocatalysts for the purification of water

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Variably thick mesoporous TiO2 films were prepared by alternately dip- and spray-coating using sol containing titanium(IV) alkoxide, concentrated HCl and suitable block-copolymer as a structure directing agent. The film thickness was controlled by varying the number of deposited layers. Their porosity was homogeneous: surface area and pore volume increased linearly with increasing number of deposited layers. Photoactivity of the films was tested employing photocatalytic degradation of 104 M 4-chlorophenol in a 60 mL photoreactor under UV irradiation at 365 nm. The incident light intensity was 1 mW cm2. The degradation rate constants increased with increasing number of layers, proportional to their absorbances. However, the progressive improvement of the photocatalytic performance slightly decreased with the increasing number of layers. The spray-coating layers exhibited lower photocatalytic performance due to their smaller thicknesses. Variably thick mesoporous TiO2 films were prepared by alternately dip- and spray-coating using sol containing titanium(IV) alkoxide, concentrated HCl and suitable block-copolymer as a structure directing agent. The film thickness was controlled by varying the number of deposited layers. Their porosity was homogeneous: surface area and pore volume increased linearly with increasing number of deposited layers. Photoactivity of the films was tested employing photocatalytic degradation of 104 M 4-chlorophenol in a 60 mL photoreactor under UV irradiation at 365 nm. The incident light intensity was 1 mW cm2. The degradation rate constants increased with increasing number of layers, proportional to their absorbances. However, the progressive improvement of the photocatalytic performance slightly decreased with the increasing number of layers. The spray-coating layers exhibited lower photocatalytic performance due to their smaller thicknesses. (en)
Title	Mesoporous films of TiO2 as efficient photocatalysts for the purification of water Mesoporous films of TiO2 as efficient photocatalysts for the purification of water (en)
skos:prefLabel	Mesoporous films of TiO2 as efficient photocatalysts for the purification of water Mesoporous films of TiO2 as efficient photocatalysts for the purification of water (en)
skos:notation	RIV/61388955:_____/11:00348665!RIV12-GA0-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0577), P(GA104/08/0435), P(GD203/08/H032), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Rathouský, Jiří Kolář, Michal Kalousek, Vít Jirkovský, Jaromír
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 fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	211649
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00348665
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	TiO2; mesoporous films; photocatalyst (en)
http://linked.open.../riv/klicoveSlovo	TiO2 mesoporous films photocatalyst
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[874F56F78D36]
http://linked.open...i/riv/nazevZdroje	Photochemical & Photobiological Sciences
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research centre for nanostructures engineering %22Inteligentně strukturované%22 mesoporézní vrstvy TiO2 s antibakteriálními a řízeně proměnnými smáčecími vlastnostmi Advanced catalytic processes and materials
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	10
http://linked.open...iv/tvurceVysledku	Jirkovský, Jaromír Kolář, Michal Kalousek, Vít Rathouský, Jiří
http://linked.open...ain/vavai/riv/wos	000287934400015
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	1474-905X
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/C0PP00185F
is http://linked.open...avai/riv/vysledek of	Mesoporous films of TiO2 as efficient photocatalysts for the purification of water Mesoporous films of TiO2 as efficient photocatalysts for the purification of water

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