Inhibition effect of AC-treated, mixed self-assembled film of phenylthiourea and 1-dodecanethiol on copper corrosion

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	Inhibition effect of AC-treated, mixed self-assembled film of phenylthiourea and 1-dodecanethiol on copper corrosion
	C. T. Wang; S. H. Chen; S. Y. Zhao
	2004
发表期刊	Journal of the Electrochemical Society
ISSN	0013-4651
卷号	151 期号:1 页码:B11-B15
摘要	A new method for preparing effective inhibition film on copper has been developed. Phenylthiourea was first adsorbed to a copper surface to form a self-assembled film. 1-Dodecanethiol was then self-assembled on the surface for subsequent modification. Finally, ac voltage was loaded on copper covered with the mixed film to further modify the film. After these procedures, an effective inhibition film was obtained as indicated by the low corrosion current density in polarization curves. High charge-transfer resistance in electrochemical impedance spectra reveals that the film hinders corrosion electrochemical reaction between the copper surface and NaCl solution. Film coverage on the copper surface is more than 99.0%, and inhibition efficiency is more than 97.2% in 0.5 mol dm(-3) NaCl solutions. The mixed films before and after ac treatment are stable in a wide region of potentials. X-ray photoelectron spectroscopy analysis reveals that the effect of ac treatment may associate with the formation of a new complex compound. (C) 2003 The Electrochemical Society.
部门归属	shandong univ, dept chem, jinan 250100, peoples r china. state key lab corros & protect, shenyang 110015, peoples r china.;wang, ct (reprint author), shandong univ, dept chem, jinan 250100, peoples r china
关键词	Impedance Spectroscopy Gold Monolayers Protection Electrode Alkanethiols Behavior Thiourea Electrodissolution Mechanisms
URL	查看原文
WOS记录号	WOS:000187428800028
引用统计	被引频次：66[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/35577
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	C. T. Wang,S. H. Chen,S. Y. Zhao. Inhibition effect of AC-treated, mixed self-assembled film of phenylthiourea and 1-dodecanethiol on copper corrosion[J]. Journal of the Electrochemical Society,2004,151(1):B11-B15.
APA	C. T. Wang,S. H. Chen,&S. Y. Zhao.(2004).Inhibition effect of AC-treated, mixed self-assembled film of phenylthiourea and 1-dodecanethiol on copper corrosion.Journal of the Electrochemical Society,151(1),B11-B15.
MLA	C. T. Wang,et al."Inhibition effect of AC-treated, mixed self-assembled film of phenylthiourea and 1-dodecanethiol on copper corrosion".Journal of the Electrochemical Society 151.1(2004):B11-B15.