In-situ SERS Study on the Electro-oxidation with HCOOH on a Roughened Platinum Electrode

Acta Chimica Sinica ›› 2003, Vol. 61 ›› Issue (12): 1960-1964. Previous Articles Next Articles

Original Articles

粗糙铂电极上甲酸吸附氧化的电化学原位表面增强拉曼光谱研究

钟起玲;王小聪;章磊;张小红;向娟;任斌;田中群

江西师范大学化学学院;天津科技大学基础科学系;厦门大学化学系

发布日期:2003-12-15

In-situ SERS Study on the Electro-oxidation with HCOOH on a Roughened Platinum Electrode

Zhong Qiling;Wang Xiaocong;Zhang Lei;Zhang Xiaohong;Xiang Juan;Ren Bin;Tian Zhongqun

Department of Chemistry, Jiangxi Normal University;Department of Science, Tianjin University of Science and Technology;Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Xiamen University

Published:2003-12-15

Abstract

The dissociative adsorption and oxidation behavior of HCOOH on Pt was investigated by cyclic voltammogram (CV) and in-situ surface enhanced Raman spectroscopy (SERS) techniques. The in-stiu SERS of HCOOH adsoiption, dissociation and oxidation on rough Pt is reported. It is found that HCOOH can spontaneously dissociate. The surface Raman spectra of CO, the strongly adsorbed intermediate and COOH, the weakly adsorbed intermediate of the dissociative adsorption of HCOOH were successfully obtained for the first time. At the same time, the Raman spectra of the finally oxidized product CO2 of HCOOH was also firstly detected. The dual path reaction mechanism for the oxidation of HCOOH was confirmed at molecular level.

Key words: FORMIC ACID, PLATINUM, ELECTRODE, DESORPTION, SERS, CYCLOVOLTAMGRAPH, REACTION MECHANISM

CLC Number:

O646

Cite this article

Zhong Qiling;Wang Xiaocong;Zhang Lei;Zhang Xiaohong;Xiang Juan;Ren Bin;Tian Zhongqun. In-situ SERS Study on the Electro-oxidation with HCOOH on a Roughened Platinum Electrode[J]. Acta Chimica Sinica, 2003, 61(12): 1960-1964.

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粗糙铂电极上甲酸吸附氧化的电化学原位表面增强拉曼光谱研究

In-situ SERS Study on the Electro-oxidation with HCOOH on a Roughened Platinum Electrode

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