Photo-regulated stick-slip switch of water droplet mobility

Xinjie Liu, Meirong Cai, Yongmin Liang, Feng Zhou, Weimin Liu

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

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.

Original languageEnglish
Pages (from-to)3331-3336
Number of pages6
JournalSoft Matter
Volume7
Issue number7
DOIs
StatePublished - 2011
Externally publishedYes

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