Surface chemistry in three dimensions: CO dissociation between two surfaces

被引:4
|
作者
Bollinger, MV [1 ]
Jacobsen, KW [1 ]
Norskov, JK [1 ]
机构
[1] Tech Univ Denmark, Dept Phys, Ctr Atom Scale Mat Phys, DK-2800 Lyngby, Denmark
关键词
D O I
10.1016/S0009-2614(00)00439-5
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
Based on self-consistent density functional calculations it is shown that a new dissociation process for CO adsorbed on a Ru(0001) surface is made possible when the distance to a second Ru(0001) surface placed just above it is below some critical value. This '3D' process is more facile than the usual single surface ('2D') process because indirect adsorbate-adsorbate interactions in the transition state are absent in the '3D' case. The prospects for STM-induced single molecule chemistry and for '3D' catalysts are discussed. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:307 / 311
页数:5
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