Electropolymerization, characterization and corrosion performance of poly(N-ethylaniline) on copper

被引：65
作者：
Duran, Berrin [1 ]
Turhan, Metehan C. [2 ]
Bereket, Goezen [1 ]
Sarac, A. Sezai [2 ]
机构：
[1] Eskisehir Osmangazi Univ, TR-26480 Eskisehir, Turkey
[2] Istanbul Tech Univ, Dept Chem Polymer Sci & Technol, TR-34469 Istanbul, Turkey
来源：
ELECTROCHIMICA ACTA | 2009年 / 55卷 / 01期
关键词：
Poly(N-ethylaniline); Conducting polymer; Copper corrosion; Impedance spectroscopy; Electropolymerization; N-ETHYLANILINE COATINGS; ELECTROCHEMICAL SYNTHESIS; STAINLESS-STEEL; MILD-STEEL; ANTICORROSIVE PROPERTIES; PROTECTION PROPERTIES; POLYANILINE; POLYPYRROLE; ELECTRODEPOSITION; INHIBITION;
D O I：
10.1016/j.electacta.2009.08.014
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Poly(N-ethylaniline) (PNEA) coatings were grown by cyclic voltammetry technique on copper from 0.1 M N-ethylaniline (NEA) in 0.3 M oxalic acid solution. The optimum conditions (e.g. upper potential limit, scan rate and cycle number) effect on corrosion performance of synthesized PNEA films were determined in order to obtain best protection results against corrosion. The electrodeposited coatings were characterized by cyclic voltammetry (CV), Fourier Transform Infrared-Attenuated Total Reflectance (FTIR-ATR) spectroscopy and scanning electron microscopy (SEM). Redox parameters were found after electrochemical tests and results of stability tests of these films impart an electroactive behavior that is composed of both diffusion control and thin film behavior. In addition, corrosion performance of PNEA coatings were investigated in 0.1 M H2SO4 by Tafel extrapolation and electrochemical impedance spectroscopy (EIS) techniques. (C) 2009 Elsevier Ltd. All rights reserved.
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收藏
页码：104 / 112
页数：9
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