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

页码：366 / 373

页数：8

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