Gold-catalysed oxidation of carbon monoxide

Of the many important reactions that are known to be catalysed by gold particles supported on transition metal oxides, the oxidation of carbon monoxide is of outstanding significance: the current state of understanding of its mechanism is reviewed, and discordant observations reported in the literat...

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Bibliographic Details
Published inGold Bulletin Vol. 33; no. 2; pp. 41 - 50
Main Authors Bond, Geoffrey C, Thompson, David T
Format Journal Article
LanguageEnglish
Published Heidelberg Springer Nature B.V 01.06.2000
Subjects
Carbon monoxide
Fuel cells
Gas sensors
Gold
Oxidation
Pollution control
Transition metal oxides
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Summary:Of the many important reactions that are known to be catalysed by gold particles supported on transition metal oxides, the oxidation of carbon monoxide is of outstanding significance: the current state of understanding of its mechanism is reviewed, and discordant observations reported in the literature are noted and analysed. A general mechanism involving reaction at the edge of a particle containing both gold atoms and ions, and involving the support, is suggested, although not all features of it are necessarily always operative. Possible practical uses for gold in catalysing this reaction include pollution control, fuel cells, and gas sensing.
ISSN:0017-1557
2190-7579
DOI:10.1007/BF03216579