期刊
SURFACE SCIENCE
卷 603, 期 18, 页码 2845-2848出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2009.07.015
关键词
Oxygen; Platinum; Incident energy; Nonthermal processes
Effects of the translational energy of incident oxygen molecules on surface processes from dissociative adsorption to subsequent associative desorption on Pt(1 1 1) have been investigated by means of supersonic molecular beam scattering. The reaction rate of associative desorption increases with the incident translational energy. The enhanced associative desorption can be attributed to nonthermal diffusion of dissociated oxygen, promoted by the translational energy of incoming molecules. (C) 2009 Elsevier B.V. All rights reserved.
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