THE ORIGINS OF MULTIPLE BANDS IN THE INFRARED-SPECTRA OF CARBON-MONOXIDE ADSORBED ON METAL-SURFACES

被引：24
|
作者：
GREENLER, RG [1 ]
BRANDT, RK [1 ]
机构：
[1] UNIV WISCONSIN,SURFACE STUDIES LAB,MILWAUKEE,WI 53201
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 1995年 / 105卷 / 01期
关键词：
ADSORPTION; CARBON MONOXIDE; INFRARED; METAL; PLATINUM;
D O I：
10.1016/0927-7757(95)03336-X
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：
We model CO molecules adsorbed on a metal surface as a system of coupled oscillators and analyze their vibrations by determining the normal modes of the system. The frequency of a CO molecule (linearly bonded to a surface atom) before coupling depends of the coordination number of the metal atom to which it is attached. The focus of this paper is to use the results of these calculations and of the spectra which they explain, to develop an intuitive interpretation of the various bands that occur in the infrared spectrum of a group CO molecules, linearly bonded to atoms on a metal surface.
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页码：19 / 26
页数：8
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