Combined impedance and Raman analysis in the study of corrosion protection of iron by polyaniline

被引:36
作者
Bernard, MC [1 ]
Deslouis, C [1 ]
El Moustafid, T [1 ]
Hugot-LeGoff, A [1 ]
Joiret, S [1 ]
Tribollet, B [1 ]
机构
[1] Univ Paris 06, CNRS Phys Liquides & Electrochim, UPR 15, F-75252 Paris 05, France
关键词
polyaniline; impedance spectroscopy; Raman spectroscopy; iron corrosion;
D O I
10.1016/S0379-6779(98)00985-0
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Chemically prepared Polyaniline coatings on iron electrodes were tested in chloride or sulphate solutions at neutral or slightly acidic pH for which only the emeraldine base moiety exists. However, the Raman results indicate the presence of polarons and the impedance diagrams were explained by the presence of a faradaic reaction evolving on an electronically conducting porous medium.
引用
收藏
页码:1381 / 1382
页数:2
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