Preparation and photocatalytic activity of ZnCr-LDH

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Preparation and photocatalytic activity of ZnCr-LDH

Popis výsledku v původním jazyce

Zn2CrCO3 LDH was prepared by coprecipitation and anionic exchange method. It was found that this type of LDH has photocatalytic activity. This sample was then calcined at different temperatures to obtain mixed oxides (especially ZnO which is known as a good photocatalyst) to increase the photocatalytic properties of prepared Zn2CrCO3 LDH. It was found that the best temperature of thermal treatment for application in photocatalysis is 600°C. The sample at 600°C was well crystalline and the rate of AO7 degradation was almost 2 times higher than for Zn2CrCO3 LDH without calcinations. It was proved that one of oxidating species are OH radicals. OH radicals were even produced with noncalcined ZnCr LDH, but in concentration more than 20 times lower than calcined sample with the same light irradiation (365 nm).

Název v anglickém jazyce

Preparation and photocatalytic activity of ZnCr-LDH

Popis výsledku anglicky

Zn2CrCO3 LDH was prepared by coprecipitation and anionic exchange method. It was found that this type of LDH has photocatalytic activity. This sample was then calcined at different temperatures to obtain mixed oxides (especially ZnO which is known as a good photocatalyst) to increase the photocatalytic properties of prepared Zn2CrCO3 LDH. It was found that the best temperature of thermal treatment for application in photocatalysis is 600°C. The sample at 600°C was well crystalline and the rate of AO7 degradation was almost 2 times higher than for Zn2CrCO3 LDH without calcinations. It was proved that one of oxidating species are OH radicals. OH radicals were even produced with noncalcined ZnCr LDH, but in concentration more than 20 times lower than calcined sample with the same light irradiation (365 nm).

Druh

D - Stať ve sborníku

CEP obor

CA - Anorganická chemie

OECD FORD obor

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Projekt

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Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

4. ročník konference Moderní TRENDY v anorganických technologiích 2014

ISBN

978-80-7080-889-4

ISSN

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e-ISSN

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Počet stran výsledku

4

Strana od-do

78-81

Název nakladatele

Vysoká škola chemicko-technologická v Praze

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

11. 6. 2014

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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