The oxidation of formic acid to carbonate at Cu(110) surfaces

被引：26

作者：

Carley, AF ^{[1
]}

Davies, PR ^{[1
]}

Mariotti, GG ^{[1
]}

机构：

[1] Univ Wales Coll Cardiff, Dept Chem, Cardiff CF1 3TB, S Glam, Wales

来源：

SURFACE SCIENCE | 1998年 / 401卷 / 03期

关键词：

carbonate; carboxylic acid; catalysis; copper; low index single crystal surfaces; oxidation; photoelectron spectroscopy; surface chemical reaction; thermal desorption spectroscopy; X-ray photoelectron spectroscopy;

D O I：

10.1016/S0039-6028(98)00046-6

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 reaction of formic acid with pre-oxidised Cu(110) surfaces is re-evaluated on the basis of new temperature programmed desorption and X-ray photoelectron spectroscopy results. IT is shown that at high oxygen coverages and for high formic acid exposures, or after co-adsorption of formic acid and dioxygen, a surface carbonate is formed. The carbonate appears to be very similar to that formed by the oxidation of CO2, at higher pressures, which was reported in an earlier paper. The results also account for a number of unexplained observations on this system and provide further support for the involvement of carbonate in methanol synthesis on copper. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：400 / 411

页数：12

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