Reversible surface wettability transition between superhydrophobicity and superhydrophilicity on hierarchical micro/nanostructure ZnO mesh films

被引：30

作者：

Li, Hong ^{[1
,2
]}

Zheng, Maojun ^{[1
]}

Liu, Sida ^{[1
]}

Ma, Li ^{[3
]}

Zhu, Changqing ^{[1
]}

Xiong, Zuzhou ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200240, Peoples R China

[2] Huaibei Normal Univ, Sch Phys & Elect Informat, Huaibei 235000, Peoples R China

[3] Shanghai Jiao Tong Univ, Sch Chem & Chem Technol, Shanghai 200240, Peoples R China

来源：

SURFACE & COATINGS TECHNOLOGY | 2013年 / 224卷

关键词：

Superhydrophobicity; Superhydrophilicity; ZnO nanorod arrays; Water permeation; ZINC-OXIDE; WATER PERMEATION; RESISTANCE; NANOWIRES; MEMBRANES; DROPLETS; TIO2;

D O I：

10.1016/j.surfcoat.2013.03.004

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Large-area ZnO nanorod arrays were synthesized successfully on the stainless steel mesh through chemical vapor deposition route. The coated mesh shows good water permeability after ultraviolet (UV) irradiation, while it is impermeable to water after dark storage. This repeatable process suggests that the wettability transition of the rough surface is complete reversible. Besides, the special hierarchical nanostructures and the suitable size of the original mesh play an important role in smart controllability of the water permeability. The reversible transition of surface wettability has potential applications in many aspects, such as microchips, micro-fluidic devices, and biotechnology. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：88 / 92

页数：5

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