期刊
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE
卷 11, 期 11, 页码 9175-9191出版社
ESG
DOI: 10.20964/2016.11.73
关键词
histidine; self-assembled films; 304 stainless steel; electrochemical techniques; XPS.
资金
- Guangxi Natural Science Foundation [2013GXNSFBA019212]
- key project of science and technology research in universities of Guangxi [2013ZD029]
- Research Fund for the Guangxi Higher Education [2013YB114]
The histidine and its derivatives self-assembled (SA) films were prepared on the 304 stainless steel (SS) surface. EIS and potentiodynamic polarization curves measurements proved that these SA films could effectively protect SS against corrosion in 3.5% NaCl solution, with a maximal protection efficiency of 94.24% achieved by Carbobenzyloxy-L-histidine film. XPS studies confirmed that Carbobenzyloxy-L-histidine molecule could adsorb on SS surface. The quantum chemical calculation and dynamic simulation provided the theoretical support about the inhibition mechanism.
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