镍电极表面吸附的苯并咪唑电化学SERS研究

doi:10.13208/j.electrochem.131172

电化学（中英文） ›› 2014, Vol. 20 ›› Issue (4): 349-352. doi: 10.13208/j.electrochem.131172

• 电化学近期研究专辑（厦门大学姜艳霞教授主编） • 上一篇下一篇

镍电极表面吸附的苯并咪唑电化学SERS研究

韦萍洁，袁亚仙，徐敏敏，姚建林^*，顾仁敖

苏州大学材料与化学化工学部，江苏苏州 215123

收稿日期:2014-01-23 修回日期:2014-04-25 出版日期:2014-08-28 发布日期:2014-05-01
通讯作者: 姚建林 E-mail:jlyao@suda.edu.cn
基金资助:
国家自然科学基金项目（No. 21073128, No. 21033007, No. 20973120，No. 21303115）及江苏省自然科学基金项目（No. BK2012187）资助

Electrochemical and Surface Enhanced Raman Spectroscopic Studies of Benzimidazole on Nickel Electrode

WEI Ping-jie, YUAN Ya-xian, XU Min-min, YAO Jian-lin^*, GU Ren-ao

College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China

Received:2014-01-23 Revised:2014-04-25 Published:2014-08-28 Online:2014-05-01
Contact: YAO Jian-lin E-mail:jlyao@suda.edu.cn

摘要/Abstract

摘要： 利用电化学循环伏安和极化曲线，考察了镍电极在不同浓度苯并咪唑（BMIH）-乙腈体系的缓蚀效果. 结果表明，随着缓蚀剂BIMH浓度的增加，其氧化电位正移，且氧化电流降低，腐蚀电位正移. 调制电位下测试镍电极表面BMIH吸附的现场表面增强拉曼光谱（SERS）. 随电位正移，BIMH可在镍电极表面吸附成膜，与金属镍生成配合物，阻止镍电极的腐蚀. 并考察了不同浓度BIMH的成膜行为. 结果发现，0.001 mol·L^-1 BIMH即可在镍电极表面成膜，这表明非水乙腈体系的镍表面，BMIH有较佳的缓蚀效果.

关键词: 电化学, 表面增强拉曼光谱, 镍电极, 苯并咪唑

Abstract: By measuring cyclic voltammograms and polarization curves, the inhibition effects of benzimidazole (BMIH) concentration in acetonitrile system on a nickel electrode were investigated. It was found that the oxidation and the corrosion potentials shifted positively, and the oxidation current decreased with the increase in the concentration of BIMH. Potential dependent adsorption and film formation behavior of BMIH on the nickel electrode were investigated by in situ SERS spectroscopy. With the potential moving from negative direction to positive direction, the complexes made of BIMH and nickel were formed, preventing the nickel electrode from corrosion. In addition, the 0.001 mol·L^-1 of BIMH was good enough for corrosion inhibition of the nickel surface in acetonitrile system.

Key words: electrochemistry, surface enhanced Raman spectroscopy, nickel electrode, benzimidazole

中图分类号:

O657.37

韦萍洁，袁亚仙，徐敏敏，姚建林*，顾仁敖. 镍电极表面吸附的苯并咪唑电化学SERS研究[J]. 电化学（中英文）, 2014, 20(4): 349-352.

WEI Ping-jie, YUAN Ya-xian, XU Min-min, YAO Jian-lin*, GU Ren-ao. Electrochemical and Surface Enhanced Raman Spectroscopic Studies of Benzimidazole on Nickel Electrode[J]. Journal of Electrochemistry, 2014, 20(4): 349-352.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.13208/j.electrochem.131172

https://electrochem.xmu.edu.cn/CN/Y2014/V20/I4/349

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镍电极表面吸附的苯并咪唑电化学SERS研究

Electrochemical and Surface Enhanced Raman Spectroscopic Studies of Benzimidazole on Nickel Electrode

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