Two types of vertically adsorbed 3-pyridinecarboxylate on Au(111), Au(100) and Au(110) electrodes

被引：3
|
作者：
Ikezawa, Yasunari [1 ]
Sawamura, Shun [1 ]
机构：
[1] Rikkyo Univ, Fac Sci, Dept Chem, Toshima Ku, Tokyo 171, Japan
来源：
ELECTROCHIMICA ACTA | 2009年 / 54卷 / 08期
关键词：
3-Pyridinecarboxylic acid; Adsorption; IRAS; Single crystal; Gold electrode; IN-SITU FTIR; ACIDIC MEDIA; NITROBENZOIC ACID; BENZOIC-ACID; ADSORPTION; PYRIDINE; SURFACE; SILVER; ABSORPTION; BEHAVIOR;
D O I：
10.1016/j.electacta.2008.10.045
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
3-Pyridinecarboxylic acid (3-PC) adsorbed on low index face electrodes in NaF solution were investigated using in situ Fourier transform-infrared (MR) spectroscopy and differential capacity measurements. Two types of vertically adsorbed 3-PC were confirmed on the electrodes, while flat-lying adsorbed species were not observed at the potentials measured. At negative potentials, 3-PC molecules adsorb vertically on the electrode via the lone pair electrons of the pyridine ring nitrogen atom, and at positive potentials. 3-PC adsorbs vertically via the two oxygen atoms of the carboxyl group. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2360 / 2366
页数：7
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