Unusual adsorption state of carbon monoxide on single-crystalline gold electrodes in alkaline media

被引：47
|
作者：
Rodriguez, Paramaconi [1 ]
Feiu, Juan M. [2 ]
Koper, Marc T. M. [1 ]
机构：
[1] Leiden Univ, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands
[2] Univ Alicante, Inst Electroquim, E-03080 Alicante, Spain
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 06期
关键词：
Hydroxyl; CO oxidation; Gold; Single-crystal electrodes; Alkaline solution; CO OXIDATION; INFRARED-SPECTROSCOPY; AU(111) ELECTRODE; PARTICLE-SIZE; ACTIVE GOLD; SURFACE; PLATINUM; NANOPARTICLES; ACID; ELECTROOXIDATION;
D O I：
10.1016/j.elecom.2009.03.018
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We report an unusual and not previously reported adsorption state of CO on a Au(111) electrode and a hexagonally reconstructed Au(100) surface. Chemisorbed CO exhibits a reversible adsorption feature close to the onset of the oxidation of CO in solution. We suggest that the voltammetric feature is associated with the co-adsorption (and desorption) of OH- from the alkaline solution at low potential. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1105 / 1108
页数：4
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