An electrochemical quartz crystal microbalance investigation of the adsorption and oxidation of CO on a platinum electrode

被引：33

作者：

Hachkar, M

Napporn, T

Leger, JM

Beden, B

Lamy, C

机构：

[1] UNIV POITIERS,URA CNRS 350,LAB CHIM ELECTROCHIM & INTERACT 1,F-86022 POITIERS,FRANCE

[2] ECOLE SUPER TECNOL,SAFI,MOROCCO

来源：

ELECTROCHIMICA ACTA | 1996年 / 41卷 / 17期

关键词：

quartz microbalance; carbon monoxide; platinum electrode; electrocatalysis;

D O I：

10.1016/0013-4686(96)00127-2

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The adsorption and electrocatalytic oxidation of carbon monoxide on platinum was studied in both acid and alkaline supporting electrolytes using an electrochemical quartz crystal microbalance. Depending on the pH of the medium, a significant influence of CO on the electrode mass was observed, particularly in the potential range preceding the complete oxidation of CO. In acid medium coupling with solvent molecules was also evidenced and was found to be potential dependent. Furthermore, the mass responses depended strongly on the way the adsorption of CO was realised. In addition, the effect of the bulk concentration of CO was investigated in the case of perchloric acid medium. Copyright (C) 1996 Elsevier Science Ltd.

引用

页码：2721 / 2730

页数：10

共 33 条

[1]

ADAMI F, 1986, J ELECTROANAL CHEM, V201, P295

[2] THE ELECTROOXIDATION OF CO - A TEST REACTION IN ELECTROCATALYSIS [J].