About: ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction

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About: ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction 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	Semiconductors such as metal sulphides and metal oxides are well known materials for photocatalysis. The reduction of CO2 using photocatalysts is one of the most promising methods because CO2 can be reduced to utilizable compounds (e.g., methanol, ethanol, methane, hydrogen) by irradiating with UV light at room temperatures and low pressure. The ZnS nanoparticles were deposited on montmorillonite (MMT) in the presence of cetyltrimethylammonium (CTA). UV spectrometry and transmission electron microscopy proved the formation of nanoparticles with the diameter ranging from 3 nm to 5 nm. Photoluminiscence spectra exhibited a strong emission band between 300 nm and 600 nm, which was assigned to transitions due to sulphur vacancies in ZnS. The prepared ZnS-montmorillonite (ZnS-MMT) nanocomposite was used for the photocatalytic reduction of CO2 providing considerably high efficiency which exceeded the results of commercial TiO2 Degussa P25 5-6 times. Semiconductors such as metal sulphides and metal oxides are well known materials for photocatalysis. The reduction of CO2 using photocatalysts is one of the most promising methods because CO2 can be reduced to utilizable compounds (e.g., methanol, ethanol, methane, hydrogen) by irradiating with UV light at room temperatures and low pressure. The ZnS nanoparticles were deposited on montmorillonite (MMT) in the presence of cetyltrimethylammonium (CTA). UV spectrometry and transmission electron microscopy proved the formation of nanoparticles with the diameter ranging from 3 nm to 5 nm. Photoluminiscence spectra exhibited a strong emission band between 300 nm and 600 nm, which was assigned to transitions due to sulphur vacancies in ZnS. The prepared ZnS-montmorillonite (ZnS-MMT) nanocomposite was used for the photocatalytic reduction of CO2 providing considerably high efficiency which exceeded the results of commercial TiO2 Degussa P25 5-6 times. (en)
Title	ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction (en)
skos:prefLabel	ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction ZnS particles deposited on montmorillonite and their photocatalytic efficiency for CO2 reduction (en)
skos:notation	RIV/61989100:27360/10:10224887!RIV11-MSM-27360___
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(MSM6198910016)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Praus, Petr
http://linked.open.../riv/druhVysledku	M - Uspořádání (zorganizování) konference
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	300416
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:10224887
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ZnS nanoparticles, montmorillonite, photoluminescence, photocatalysis, carbon dioxide (en)
http://linked.open.../riv/klicoveSlovo	carbon dioxide photocatalysis photoluminescence ZnS nanoparticles montmorillonite
http://linked.open...ontrolniKodProRIV	[DEDFDBD87ACA]
http://linked.open...v/mistoKonaniAkce	5-th Mid European Clay Conference, Budapešť
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	230 (xsd:int)
http://linked.open...nichUcastnikuAkce	220 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/statKonaniAkce	HU - Maďarsko
http://linked.open...iv/tvurceVysledku	Kozák, Ondřej Praus, Petr
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/ukonceniAkce	2010-08-27 (xsd:date)
http://linked.open.../riv/zahajeniAkce	2010-08-27 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
http://localhost/t...ganizacniJednotka	27360

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