Equilibrium kinetics of chemisorption processes

被引：4

作者：

Ledovskikh, Alexander ^{[1
]}

Danilov, Dimitry ^{[2
]}

Notten, Peter H. L. ^{[1
,3
]}

机构：

[1] Eindhoven Univ Technol, NL-5600 MB Eindhoven, Netherlands

[2] Eurandom, NL-5600 MB Eindhoven, Netherlands

[3] Philips Res Labs, NL-5656 AE Eindhoven, Netherlands

来源：

CHEMPHYSCHEM | 2008年 / 9卷 / 07期

关键词：

adsorption; chemisorption; equilibrium; kinetics; statistical thermodynamics;

D O I：

10.1002/cphc.200700777

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new approach to describe the equilibrium kinetics of chemisorption is proposed. The description of the system is based on first-principles chemical reaction kinetics and statistical thermodynamics. The rate constants are described by using a novel way of activation energy characterization. General expressions for equilibrium gas pressure isotherms and forward/backward reaction rates are obtained as a function of surface coverage. A strong influence of attraction and repulsion interaction energies between the adsorbed species on the equilibrium kinetics is found.

引用

页码：1040 / 1045

页数：6

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