SURFACE SCIENCE AND KINETIC-STUDIES ON MODEL CU/RH(100) CATALYSTS

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作者
SZANYI, J
GOODMAN, DW
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O64 [物理化学(理论化学)、化学物理学];
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070304 ; 081704 ;
摘要
The oxidation of carbon-monoxide on a series of Cu/Rh(100) model bimetallic catalysts was studied at 458K. Using a reactant gas mixture of CO/O2=2, a maximum catalytic activity was observed at a Cu coverage of 1.3ML. The overall kinetics for CO oxidation on Cu/Rh(100) catalysts was found to be very similar to that on Rh(100). Under reaction conditions, the Cu overlayers are unstable, and, upon interaction with oxygen, form 3-dimensional CuO(x) clusters.
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页码:1599 / 1602
页数:4
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