Super-hydrophobic surface on pure magnesium substrate by wet chemical method

Yanhua Wang*, Wei Wang, Lian Zhong, Jia Wang, Quanliang Jiang, Xiangyang Guo

*此作品的通讯作者

科研成果: 期刊稿件文章同行评审

201 引用 (Scopus)

摘要

A layer of flower-like super-hydrophobic film was fabricated on pure Mg surface by chemical etching in H 2 SO 4 , H 2 O 2 and subsequent immersion in stearic acid (CH 3 (CH 2 ) 16 COOH) ethanol solution. The super-hydrophobic surface showed a static water contact angle of 154° with the sliding angle of about 3°. With scanning electron microscope (SEM), energy dispersive spectroscopy (EDS) and Fourier-transform infrared (FT-IR) spectrometer, the microstructure and composition of the sample were analyzed. Results showed that the flower-like structure and the bonding of the CH 3 (CH 2 ) 16 COO - on Mg surface can be responsible for the superior water-repellent property. Electrochemical impedance spectroscopy revealed that the transfer resistance of super-hydrophobic surface was increased about four times than bare Mg after one-hour immersion in 0.1 mol/L NaCl solution. Crown

源语言英语
页(从-至)3837-3840
页数4
期刊Applied Surface Science
256
12
DOI
出版状态已出版 - 1 4月 2010
已对外发布

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