Adsorption and temperature-dependent decomposition of SO2 on Cu(100) and Cu(111): A fast and high-resolution core-level spectroscopy study

被引：61

作者：

Polcik, M

Wilde, L

Haase, J

Brena, B

Cocco, D

Comelli, G

Paolucci, G

机构：

[1] MAX PLANCK GESELL,FRITZ HABER INST,D-14195 BERLIN,GERMANY

[2] SINCROTRONE TRIESTE,I-34012 TRIESTE,ITALY

来源：

PHYSICAL REVIEW B | 1996年 / 53卷 / 20期

关键词：

D O I：

10.1103/PhysRevB.53.13720

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The adsorption and temperature-dependent decomposition of SO2 on Cu(100) and Cu(lll) have been studied by fast and high-resolution core-level photoemission. The analysis of the S 2p and O Is data shows that molecular SO2 adsorption dominates at 170 K. On heating the SO2-covered surfaces to about room temperature, SO2 decomposes into SO+O+S. On further heating SO+O recombine to form SO2, which is the only species detected in corresponding temperature-pro rammed desorption (TPD) experiments. From the temperature- (time-) dependent S and O coverages a ''TPD curve'' can be constructed.

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页码：13720 / 13724

页数：5

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