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Materials (Basel). 2015 Apr 16;8(4):1817-1830. doi: 10.3390/ma8041817.

Conductive Polymer Porous Film with Tunable Wettability and Adhesion.

Author information

1
School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China. tengwentao@yeah.net.
2
College of Chemistry and Chemical Engineering, Yan'an University, Yan'an, Shaanxi 716000, China. yqzhang@iccas.ac.cn.
3
School of Chemistry and Environment, Beihang University, Beijing 100191, China. henglp@iccas.ac.cn.
4
Department of Chemistry, Capital Normal University, Beijing 100048, China. xfmeng@cnu.edu.cn.
5
School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China. ayqw6118@eyou.com.
6
School of Chemistry and Environment, Beihang University, Beijing 100191, China. jianglei@iccas.ac.cn.

Abstract

A conductive polymer porous film with tunable wettability and adhesion was fabricated by the chloroform solution of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyricacid-methyl-ester (PCBM) via the freeze drying method. The porous film could be obtained from the solution of 0.8 wt%, whose pore diameters ranged from 50 nm to 500 nm. The hydrophobic porous surface with a water contact angle (CA) of 144.7° could be transferred into a hydrophilic surface with CA of 25° by applying a voltage. The water adhesive force on the porous film increased with the increase of the external voltage. The electro-controllable wettability and adhesion of the porous film have potential application in manipulating liquid collection and transportation.

KEYWORDS:

adhesion; conductive porous material; electro-wettability; freeze-drying

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