Inhibition of iron corrosion by 5,10,15,20-tetraphenylporphyrin and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin adlayers in 0.5 M H2SO4 solutions

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	Inhibition of iron corrosion by 5,10,15,20-tetraphenylporphyrin and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin adlayers in 0.5 M H2SO4 solutions
	Y. Y. Feng; S. H. Chen; W. J. Guo; Y. X. Zhang; G. Z. Liu
	2007
发表期刊	Journal of Electroanalytical Chemistry
ISSN	0022-0728
卷号	602 期号:1 页码:115-122
摘要	5,10,15,20-tetraphenylporphyrin (TPP) and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin (TC1PP) were synthesized and formed adlayers on iron surface. The surface properties of the porphyrin adlayers on iron electrode were characterized by Fourier transform infrared reflection spectroscopy (FT-IR), fluorescence spectrum (FS), scanning electron microscopy (SEM) and electrochemical methods including electrochemical impedance spectroscopy (EIS) and polarization curves. FT-IR and FS results indicated that TPP and TCIPP were able to form adlayers on the iron surface. The electrochemistry results showed that both adlayers of TPP and TCIPP were able to protect iron from corrosion effectively and the protection efficiency of TPP was higher than that of TC1PP. The surface state of iron was characterized by SEM after the iron electrode was corroded in H2SO4 solutions (0.5 M). Besides, quantum chemical calculation was applied to optimize the structure of the two molecules and was able to explain the experimental results to some extent. Results indicated that TPP and TCIPP were good inhibitors for iron corrosion in H2SO4 solutions. (c) 2006 Elsevier B.V. All rights reserved.
部门归属	shandong univ, dept chem, jinan 250100, peoples r china. state key lab corros & protect, shenyang 110016, peoples r china.;chen, sh (reprint author), shandong univ, dept chem, jinan 250100, peoples r china;shchen@sdu.edu.cn
关键词	Iron Adlayers Tetraphenylporphyrin Eis Corrosion Inhibitor Self-assembled Monolayers 2-dimensional Polymer Alkanethiol Monolayers Passive Film Gold Protection Surface Acid Copper Spectroscopy
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WOS记录号	WOS:000245427000016
引用统计	被引频次：94[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/321006/33536
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Y. Feng,S. H. Chen,W. J. Guo,et al. Inhibition of iron corrosion by 5,10,15,20-tetraphenylporphyrin and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin adlayers in 0.5 M H2SO4 solutions[J]. Journal of Electroanalytical Chemistry,2007,602(1):115-122.
APA	Y. Y. Feng,S. H. Chen,W. J. Guo,Y. X. Zhang,&G. Z. Liu.(2007).Inhibition of iron corrosion by 5,10,15,20-tetraphenylporphyrin and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin adlayers in 0.5 M H2SO4 solutions.Journal of Electroanalytical Chemistry,602(1),115-122.
MLA	Y. Y. Feng,et al."Inhibition of iron corrosion by 5,10,15,20-tetraphenylporphyrin and 5,10,15,20-tetra-(4-chlorophenyl)porphyrin adlayers in 0.5 M H2SO4 solutions".Journal of Electroanalytical Chemistry 602.1(2007):115-122.