Journal
TOPICS IN CATALYSIS
Volume 44, Issue 1-2, Pages 137-143Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s11244-007-0287-7
Keywords
supported gold catalysts; carbon monoxide oxidation; reaction mechanism; TAP
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TAP (temporal analysis of products) technique was used to clarify the controversial mechanism for low-temperature CO oxidation on supported An catalysts involving unidentified moisture effects on the performances. The unique TAP transient technique, along the use of a specially prepared, highly active Au/Ti(OH)(4)* catalyst, provided the information and characterization of each elementary step involving weak and reversible CO adsorption, strong and molecular O-2 adsorption, and their surface reaction, which are suppressed by the coexistence of water vapor.
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