铜表面苯丙氨酸和色氨酸复合自组装膜的缓蚀性能研究

中国腐蚀与防护学报

2012, Vol. 32

Issue (2): 163-167

研究报告

本期目录 | 过刊浏览

铜表面苯丙氨酸和色氨酸复合自组装膜的缓蚀性能研究

刘培慧,高立新,张大全

上海电力学院能源与环境工程学院上海 200090

INHIBITION OF MIXED SELF-ASSEMBLED FILMS OF PHENYLALANINE AND TRYPTOPHAN FOR COPPER CORROSION

LIU Peihui, GAO Lixin, ZHANG Daquan

School of Energy and Environment Engineering, Shanghai University of Electronic Power, Shanghai 200090

全文: PDF(781 KB)

摘要: 用电化学极化和电化学阻抗方法研究3%NaCl溶液中苯丙氨酸和色氨酸复合自组装膜对铜的保护作用，通过荧光分析法讨论了复合自组装膜中苯丙氨酸与色氨酸之间的相互作用。结果表明，两种氨基酸对铜均有一定的保护效果，但复合自组装膜相互之间存在拮抗作用，影响了氨基酸自组装膜的保护效率。

关键词 ：氨基酸, 自组装, 荧光分析, 极化, 阻抗

Abstract：The mixed self-assembled films of phenylalanine (Phe) and tryptophan (Trp) were prepared on the copper surface. Their inhibition effect for copper corrosion in 3% NaCl solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy. Interaction between phenylalanine and tryptophan was studied using fluorescence analysis.The results showed both Phe-SAMs and Trp-SAMs have protection effect for copper. They rendered the corrosion potential to a positive shift. There was an antagonism between phenylalanine and tryptophan in the mixed SAMs. Photoinduced electron transfer in the mixed SAMs was verified by fluorescence emission.

Key words： amino acid self-assembled fluorescence analysis polarization impedance

收稿日期: 2011-01-06

ZTFLH:

TG174.42

基金资助:

国家自然科学基金项目(20776083，20911140272)和教育部新世纪优秀人才项目(NCET-08-0895)资助

通讯作者: 张大全 E-mail: zhangdaquan@shiep.edu.cn

Corresponding author: ZHANG Daquan E-mail: zhangdaquan@shiep.edu.cn

作者简介: 刘培慧，女，1987年生，硕士生，研究方向为铜表面氨基酸自组装体系

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引用本文:

刘培慧,高立新,张大全. 铜表面苯丙氨酸和色氨酸复合自组装膜的缓蚀性能研究[J]. 中国腐蚀与防护学报, 2012, 32(2): 163-167.
ZHANG Tai-Quan. INHIBITION OF MIXED SELF-ASSEMBLED FILMS OF PHENYLALANINE AND TRYPTOPHAN FOR COPPER CORROSION. J Chin Soc Corr Pro, 2012, 32(2): 163-167.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2012/V32/I2/163

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