Reaction pathways in surface femtochemistry: routes to desorption and reaction in CO/O-2/Pt(111)

被引：22

作者：

Finlay, RJ

Her, TH

Wu, C

Mazur, E

机构：

[1] Gordon McKay Laboratory, Harvard University, Cambridge, MA 02138

来源：

CHEMICAL PHYSICS LETTERS | 1997年 / 274卷 / 5-6期

关键词：

D O I：

10.1016/S0009-2614(97)00708-2

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：

We present new data that address the chemical pathway to desorption of O-2 and formation of CO2 in CO/O-2/Pt(111) induced by subpicosecond laser pulses. The data show conclusively that the O-2 desorbs molecularly. We also find that if the CO oxidizes by an atomic pathway then the capture of oxygen atoms by the CO is highly efficient; if the CO oxidizes by a molecular pathway then the oxygen atoms in the CO3* transition state are inequivalent. (C) 1997 Elsevier Science B.V.

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收藏

页码：499 / 504

页数：6

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