Super-hydrophilicity to super-hydrophobicity transition of a surface with Ni micro-nano cones array

被引：73

作者：

Geng, Wenyan ^{[1
]}

Hu, Anmin ^{[1
]}

Li, Ming ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2012年 / 263卷

关键词：

Surfaces; Electrodeposition; Micro-nano cones array; Wettability transition; Super-hydrophilicity; Super-hydrophobicity; FABRICATION;

D O I：

10.1016/j.apsusc.2012.09.006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A surface with Ni micro-nano cones array (MCA) was fabricated with electro-deposition method and exhibited super-hydrophilic nature when freshly prepared. Spontaneous transition from super-hydrophilicity to super-hydrophobicity was observed when the surface was exposed in air at room temperature. The special surface structure of MCA played an important role in amplifying the surface wettability. Since the surface structure remained the same as the freshly prepared Ni MCA films during the storage, the transition was proved to be attributed to the change of surface chemical composition. Such wettability transition property of Ni MCA films might shed light on the high-tech areas of self-cleaners, anti-corrosion materials, anti-contamination materials, etc. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：821 / 824

页数：4

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