Journal
CORROSION SCIENCE
Volume 51, Issue 2, Pages 291-300Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2008.10.040
Keywords
Iron; EIS; XPS; Polarization
Funding
- Chinese National Science Fund [20573069]
- Special Funds for the Major State Basic Research Projects [2006CB605004]
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The self-assembled (SA) films of imidazole and its derivatives were prepared on the iron surface. The protection abilities of these films against iron corrosion in 0.5 M H2SO4 solution were investigated using electrochemical impedance spectroscopy (EIS) and polarization techniques. The results of EIS and polarization curves demonstrated that films of the imidazole and its derivatives were able to protect iron from corrosion effectively. XPS was also used for the surface analysis, the results from XPS confirmed the adsorption of imidazole derivatives on the iron surface by monitoring the functional group peaks of the compounds. (C) 2008 Elsevier Ltd. All rights reserved.
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