Mechanism and Active Sites of the Oxidation of CO over Au/TiO 2 | Zendy

Fujitani Tadahiro | Zendy; Nakamura Isao | Zendy

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Mechanism and Active Sites of the Oxidation of CO over Au/TiO 2

Author(s) -

Fujitani Tadahiro,

Nakamura Isao

Publication year - 2011

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201104694

Subject(s) - mechanism (biology) , reaction mechanism , chemistry , computer science , chemical engineering , catalysis , organic chemistry , philosophy , engineering , epistemology

At low reaction temperatures (<320 K), moisture plays an essential role in promoting the oxidation of CO over Au/TiO 2 (110) surfaces, whereas at high temperatures (>320 K), such promotional effect is not observed, suggesting that the mechanism and active sites of the reaction change with the reaction temperature (see picture; r CO 2=rate of CO 2 formation and p H 2 O =pressure of H 2 O).

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