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Conductive polymer porous film with tunable wettability and adhesion

  • Yuqi Teng
  • , Yuqi Zhang
  • , Liping Heng*
  • , Xiangfu Meng
  • , Qiaowen Yang
  • , Lei Jiang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)1817-1830
Number of pages14
JournalMaterials
Volume8
Issue number4
DOIs
StatePublished - 2015

Keywords

  • Adhesion
  • Conductive porous material
  • Electro-wettability
  • Freeze-drying

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