Issue 7, 2011
From the journal:

Soft Matter

Photo-regulated stick-slip switch of water droplet mobility

Xinjie Liu,ab   Meirong Cai,a   Yongmin Liang,a   Feng Zhou*a  and  Weimin Liua  

* Corresponding authors

a State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
E-mail: zhouf@lzb.ac.cn

b Graduate College of Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Water droplet mobility can be reversibly manipulated by using a photo-responsive coating on a rough surface. The surface coating consists of silicone elastomer as the basic hydrophobic material and the incorporated azobenzene compound as photosensitizer that assumes trans/cis conformation change under visible and UV illumination. The surface thus could switch between slippery and sticky states when the azo-compound assumes trans- and cis- conformation, while the surface superhydrophobicity doesn't change apparently.

Graphical abstract: Photo-regulated stick-slip switch of water droplet mobility

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Article information

DOI
https://doi.org/10.1039/C0SM01144D
Article type
Paper
Submitted
12 Oct 2010
Accepted
06 Jan 2011
First published
14 Feb 2011

Soft Matter, 2011,7, 3331-3336

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Photo-regulated stick-slip switch of water droplet mobility

X. Liu, M. Cai, Y. Liang, F. Zhou and W. Liu, Soft Matter, 2011, 7, 3331 DOI: 10.1039/C0SM01144D

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