Photoassisted catalytic oxidation of carbon monoxide at room temperature

Bibliographic description

title:	Photoassisted catalytic oxidation of carbon monoxide at room temperature
author:	Macyk Wojciech , Kisch Horst
journal title:	Monatshefte für Chemie
volume:	138
issue:	10
date of publication :	2007
pages:	935-940
ISSN:	0026-9247
eISSN:	1434-4475
DOI:	10.1007/s00706-007-0637-y
language:	English
journal language:	German
abstract in English:	The thermal and photoassisted catalytic oxidation of CO at metal oxide supported RuO 2 x H 2 O was studied at room temperature. Contrary to neat RuO 2 x H 2 O the support- ed catalysts suffer from fast deactivation attributed to strong adsorption of the reaction product carbon dioxide. The latter can be efficiently removed from the catalyst surface at ele- vated temperatures. In some cases, i.e . for catalysts supported with selected n -type semiconductors (TiO 2 ,SnO 2 ,WO 3 ), effi- cient CO 2 desorption and good, constant catalytic activity was observed upon visible light irradiation. Under such conditions the CO to CO 2 conversion observed for RuO 2 x H 2 O = TiO 2 was nearly as good and stable as for the unsupported catalyst. It is suggested that light absorption promotes carbon dioxide desorption through positive charging of the catalyst surface
affiliation:	Wydział Chemii : Zakład Chemii Nieorganicznej
type:	journal article
subtype:	academic paper

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