Green approach to fabrication of a super-hydrophobic film on copper and the consequent corrosion resistance

被引：172
作者：
Wang, Peng [1 ]
Zhang, Dun [1 ]
Qiu, Ri [1 ,2 ]
Wan, Yi [1 ]
Wu, Jiajia [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
CORROSION SCIENCE | 2014年 / 80卷
基金：
中国国家自然科学基金;
关键词：
Copper; EIS; SEM; Polarisation; Interfaces; LEAVES EXTRACT; CARBON-STEEL; SUPERHYDROPHOBIC SURFACE; AQUEOUS-SOLUTION; H2SO4; SOLUTIONS; INHIBITION; ALUMINUM; CAPSAICIN; HCL; PROTECTION;
D O I：
10.1016/j.corsci.2013.11.055
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A green approach was used to fabricate super-hydrophobic film with capsaicin (N-(4-hydroxy-3methoxybenzyl)-8-methylnon-trans-6-enamide), pungent ingredient of cayenne. The film is composed of capsaicin that coordinates with Cu(II) through pi orbital of benzene ring. Super-hydrophobic property of film can be attributed to nanospherical pores of its structure and low surface energy of its hydrocarbon chain. Super-hydrophobic film shows >99.9% efficiency as a barrier that inhibits corrosion of underlying Cu without losing its stability within a wide potential range. This performance can be attributed to isolating action and insulating property of air trapped in film. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：366 / 373
页数：8
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