Gas-surface CO/CO* molecular exchange on Pd and Rh (Ⅰ)—— Dynamic nature of chemisorption of CO/metal

被引：0
|
作者：
郭燮贤
辛梅
翟润生
机构：
[1] China
[2] Chinese Academy of Sciences
[3] Dalian 116023
[4] Dalian Institute of Chemical Physics
[5] State Key Laboratory of Catalysis
来源：
ProgressinNaturalScience | 1995年 / 04期
基金：
中国国家自然科学基金;
关键词：
adsorption; desorption; exchange;
D O I：
暂无
中图分类号：
O647.3 [吸附];
学科分类号：
070304 ; 081704 ;
摘要：
The gas-surface molecular exchange of CO/Pd and CO/Rh was investigated by the isotope switch method to study the chemisorption kinetics of CO on metals. Some interesting correlations were found experimentally between the rate of exchange process and the kinetics of adsorption and desorption. A concerted exchange mechanism based on delocalized chemisorption model was postutared for better understanding of the experimental results. Analytic expressions for the adsorption and kinetics in terms of surface coverage of strong bound molecules were derived, which gave satisfactory explanation for the correlation formulae obtained from CO molecular exchange experiment.
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页数：9
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