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中国腐蚀与防护学报  2008, Vol. 28 Issue (4): 235-239     
  研究报告 本期目录 | 过刊浏览 |
Cu表面氨基酸混合组装体系的缓蚀作用
张大全;冯晶晶;高立新
上海电力学院环境工程系
Inhibition of the mixed self-assembled films of amine- acid compounds on copper surface
;
上海电力学院
全文: PDF(960 KB)  
摘要: 考察了半胱氨酸自组装膜Cu电极在0.5 mol/L HCl溶液中的电化学行为,结果表明半胱氨酸自组装膜导致Cu电极的自腐蚀电位负移,能够在一定程度上抑制Cu电极的阴极电化学过程。在此基础上,通过静电沉积技术,将十二酸接枝到Cu表面半胱氨酸分子上。结果显示,十二酸修饰的半胱氨酸自组装膜对Cu电极的阴极电化学过程抑制作用进一步增强,提高了对Cu的保护。
关键词 半胱氨酸自组装双层膜十二酸交流阻抗    
Abstract:Abstract: The inhibition of DL-Cysteine assembled membrane for copper corrosion in 0.5M HCl solution was investigated by electrochemical measurement. The result shows that the mono-layer self-assembled DL-Cysteine has protection effect and it retards the cathodic process of the corrosion electrochemical reaction. The bilayer membrane was assembled on copper electrode by electrostatic interaction between l-dodecanoic acid and DL-Cysteine. This kind of bilayer membrane can strengthen the inhibition for cathodic process of copper electrode and improve the protection effect for copper.
Key words
收稿日期: 2006-11-14     
ZTFLH:  TG146.1  
通讯作者: 张大全      E-mail: zhdq@public9.sta.net.cn

引用本文:

张大全; 冯晶晶; 高立新 . Cu表面氨基酸混合组装体系的缓蚀作用[J]. 中国腐蚀与防护学报, 2008, 28(4): 235-239 .
. Inhibition of the mixed self-assembled films of amine- acid compounds on copper surface. J Chin Soc Corr Pro, 2008, 28(4): 235-239 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2008/V28/I4/235

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