期刊
ELECTROCHIMICA ACTA
卷 56, 期 5, 页码 2165-2173出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.11.099
关键词
Polyaniline; Corrosion; Cyclic voltammetry; EIS; XPS; SVET
资金
- CSIR, New Delhi [NWP - 12]
Electrosynthesis of polyaniline-molybdate (PANI-MoO42-) on mild steel was achieved in oxalic acid medium using cyclic voltammetry technique. Adherent and homogeneous PANI-MoO42- coating was obtained. The corrosion behavior of steel with PANI-MoO42- coatings in 1% NaCl solutions was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy techniques. The coating was characterized by SEM, XPS, EDAX and FTIR. The self-healing ability of PANI-MoO42- coating was confirmed by SVET technique. It has been found that the PANI-MoO42- coating is able to offer higher corrosion protection in comparison to that of pure PANI coating due to inhibitive nature of molybdate ions. (C) 2010 Elsevier Ltd. All rights reserved.
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