铁表面组装磷酸三乙酯缓蚀功能分子膜的研究

doi:10.61558/2993-074X.1918

电化学（中英文） ›› 2008, Vol. 14 ›› Issue (3): 340-342. doi: 10.61558/2993-074X.1918

铁表面组装磷酸三乙酯缓蚀功能分子膜的研究

郭文娟;陈慎豪;何畏;庞雪辉;冯媛媛;

济南大学化学化工学院;山东大学化学与化工学院;曲阜师范大学化学科学学院;

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

Study of Triethyl Phosphate Self-Assembled Films on Iron for Corrosion Inhibition

GUO Wen-juan1,CHEN Shen-hao2,HE Wei1,PANG Xue-hui1,FENG Yuan-yuan3

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

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

摘要/Abstract

摘要： 研究一种新型的自组装成膜物质—磷酸三乙酯(TEP).实验发现,TEP自组装膜能有效抑制铁在0.5mol.L-1硫酸溶液中的腐蚀.电化学测试显示,组装时间对成膜效果产生影响.在最初较短的组装时间内,TEP自组装膜的缓蚀效率随组装时间延长而快速增加,之后增加速率减慢直至恒定.

关键词: 自组装膜, 磷酸三乙酯(TEP), 电化学阻抗谱

Abstract: The self-assembled film of triethyl phosphate(TEP) formed on the iron surface was found to protect iron from corrosion in 0.5 mol·L-1 H2SO4 efficiently.The inhibition effects were investigated using the electrochemical impedance spectroscopy(EIS).EIS demonstrated that the charge-transfer resistance of the electrode covered with TEP film was greater than that of the naked iron electrodes and the inhibition efficiency of TEP film increased quickly in the initial period and then increased slowly.Quantum chemical calculations provide information about the process of adsorption of molecules on the metal surface at the molecular level.

Key words: self-assembled films, triethyl Phosphate, electrochemical impedance spectroscopy(EIS)

中图分类号:

O657.1

郭文娟, 陈慎豪, 何畏, 庞雪辉, 冯媛媛, . 铁表面组装磷酸三乙酯缓蚀功能分子膜的研究[J]. 电化学（中英文）, 2008, 14(3): 340-342.

GUO Wen-juan, CHEN Shen-hao, HE Wei, PANG Xue-hui, FENG Yuan-yuan. Study of Triethyl Phosphate Self-Assembled Films on Iron for Corrosion Inhibition[J]. Journal of Electrochemistry, 2008, 14(3): 340-342.

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链接本文: https://electrochem.xmu.edu.cn/CN/10.61558/2993-074X.1918

https://electrochem.xmu.edu.cn/CN/Y2008/V14/I3/340

参考文献

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铁表面组装磷酸三乙酯缓蚀功能分子膜的研究

Study of Triethyl Phosphate Self-Assembled Films on Iron for Corrosion Inhibition

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