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In situ FT-IR investigation of CO oxidation on CuO/TiO2 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
49812 46768 2016 4 PDF Available
Title
In situ FT-IR investigation of CO oxidation on CuO/TiO2 catalysts
Abstract

•Influence of TiO2 structure on CuO/TiO2 catalysts.•These are a lot of Cu+ ions and oxygen vacancies that exist on CuO/TiO2 (rutile) catalyst.•CuO/TiO2 (rutile) catalyst is readily reduced.•CO species can adsorb to form Cu+ (CO)2 and O2 can adsorb to form O2−.

The present work tentatively investigated anatase- or rutile-supported copper oxide catalysts. 5% copper oxide can be well dispersed on anatase or rutile surfaces. The copper oxide dispersed on rutile surface exists in Cu2+ and Cu+ ions, which is more readily reduced, and show higher catalytic activity of CO oxidation. The mechanism of CO oxidation over rutile support is different from anatase support.

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Keywords
Copper oxide; TiO2; In situ IR; CO oxidation; Mechanism
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In situ FT-IR investigation of CO oxidation on CuO/TiO2 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 78, 10 March 2016, Pages 33–36
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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Online Support
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