铁表面自组装缓蚀功能膜的电化学阻抗谱研究

doi:10.61558/2993-074X.1919

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (3): 343-346. doi: 10.61558/2993-074X.1919

铁表面自组装缓蚀功能膜的电化学阻抗谱研究

冯媛媛;陈慎豪;周娟娟;郭文娟;

曲阜师范大学化学科学学院;山东大学化学与化工学院;

收稿日期:2008-08-28 修回日期:2008-08-28 出版日期:2008-08-28 发布日期:2008-08-28

Corrosion Inhibition of Self-assembled Films on Iron by Electrochemical Impedance Spectroscopy

FENG Yuan-yuan1,2,CHEN Shen-hao2,ZHOU Juan-juan2,GUO Wen-juan2,3

(1.Department of Chemistry,Qufu Normal University,Qufu 273165,Shandong,China;2.School of Chemistry and Chemical Engineering,Shandong University,Jinan 250100,Shandong,China;3.School of Chemistry and Chemical Engineering,University of Jinan,Jinan 250022,Shandong,China

Received:2008-08-28 Revised:2008-08-28 Published:2008-08-28 Online:2008-08-28

摘要/Abstract

摘要： 在铁表面自组装十四烷基胺膜.研究该膜在0.5 mol/LH2SO4溶液中对铁的缓蚀性能.电化学阻抗谱测试表明,随着组装时间的延长,缓蚀性能也随之增强,最大缓蚀效率为68.7%.而以十二烷基硫醇和十四烷基胺修饰的混合膜则更为致密、稳定,对铁的缓蚀能力也明显优于仅以十二烷基硫醇或十四烷基胺修饰的单一膜,其缓蚀效率可提高至78.2%.

关键词: 铁, 自组装, 缓蚀, 电化学阻抗谱

Abstract: The self-assembled films of tetradecylamine were formed on iron surface,and the inhibition ability of which for iron corrosion in 0.5 mol/L H2SO4 solutions was studied by electrochemical impedance spectroscopy technique.Results indicated that longer immersion time would result in stronger inhibition ability of the films.The maximal inhibition efficiency(IE) of the tetradecylamine films was 68.7%.When the tetradecylamine films were modified by dodecylthiol,the mixed films became denser and more stable,thus the inhibition ability increased remarkably.The η of the mixed films increased to 78.2%.

Key words: iron, self-assembled films, corrosion inhibition, electrochemical impedance spectroscopy

中图分类号:

O646.6

冯媛媛, 陈慎豪, 周娟娟, 郭文娟, . 铁表面自组装缓蚀功能膜的电化学阻抗谱研究[J]. 电化学（中英文）, 2008, 14(3): 343-346.

FENG Yuan-yuan, CHEN Shen-hao, ZHOU Juan-juan, GUO Wen-juan, . Corrosion Inhibition of Self-assembled Films on Iron by Electrochemical Impedance Spectroscopy[J]. Journal of Electrochemistry, 2008, 14(3): 343-346.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.1919

https://electrochem.xmu.edu.cn/CN/Y2008/V14/I3/343

参考文献

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铁表面自组装缓蚀功能膜的电化学阻抗谱研究

Corrosion Inhibition of Self-assembled Films on Iron by Electrochemical Impedance Spectroscopy

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