Surface chemistry of CO on Pt(100)-bimetallic surfaces: Displacement effects

被引：11
|
作者：
Markovic, NM [1 ]
Grgur, BN
Lucas, CA
Ross, PN
机构：
[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
[2] Univ Liverpool, Dept Phys, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England
来源：
LANGMUIR | 2000年 / 16卷 / 04期
关键词：
D O I：
10.1021/la990255u
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface chemistry of coadsorbed CO and metal adatoms on the Pt(100) surface in acid electrolyte has been studied by means of rotating ring disk electrode (RRDE) measurements. These results showed that Cu and Pb adatoms are readily displaced from the Pt(100) surface by CO. The consequence of the observed displacement phenomenon is that the kinetics of the electrooxidation of CO on Pt(100) surfaces in Cu2+- (Pb2+-) containing solution is the same as in Cu2+- (Pb2+-) free solution.
引用
收藏
页码：1998 / 2005
页数：8
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