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1

School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China

2

College of Chemistry and Chemical Engineering, Yanan University, Yanan, Shaanxi 716000, China

3

School of Chemistry and Environment, Beihang University, Beijing 100191, China

4

Department of Chemistry, Capital Normal University, Beijing 100048, China



These authors contributed equally to the work.





*

Authors to whom correspondence should be addressed.



Academic Editor: Amir A. Zadpoor

Abstract A conductive polymer porous film with tunable wettability and adhesion was fabricated by the chloroform solution of poly3-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. View Full-Text

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





Autor: Yuqi Teng 1,†, Yuqi Zhang 2,†, Liping Heng 3,* , Xiangfu Meng 4,* , Qiaowen Yang 1 and Lei Jiang 3

Fuente: http://mdpi.com/



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