Role of surface diffusion in the ordering of adsorbed molecules: dynamic Monte Carlo simulations of NO on Rh(111)

被引：7
|
作者：
van Hardeveld, RM [1 ]
Hopstaken, MJP [1 ]
Lukkien, JJ [1 ]
Hilbers, PAJ [1 ]
Jansen, APJ [1 ]
van Santen, RA [1 ]
Niemantsverdriet, JW [1 ]
机构：
[1] Eindhoven Univ Technol, Schuit Inst Catalysis, NL-5600 MB Eindhoven, Netherlands
来源：
CHEMICAL PHYSICS LETTERS | 1999年 / 302卷 / 1-2期
关键词：
D O I：
10.1016/S0009-2614(99)00106-2
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：
The saturation coverage of molecules adsorbed on metal surfaces is often seen to increase with temperature of adsorption, and may be accompanied by the ordering of the molecules into periodic structures at higher temperatures. The case of NO on Rh(111) presents a specific example of this behavior. Modelling the adsorption process by means of Monte Carlo simulations in which diffusion and lateral interaction are considered indicates that both the increase of the saturation coverage and the ordering with increasing adsorption temperature are in agreement with an enhanced mobility of the adsorbed molecules. (C) 1999 Elsevier Science B.V. All rights reserved.
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页码：98 / 102
页数：5
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