Issue 5, 2013
From the journal:

Journal of Materials Chemistry A

Bio-inspired isotropic and anisotropic wettability on a Janus free-standing polypyrrole film fabricated by interfacial electro-polymerization†

Jian Song,a   Huan Liu,*a   Meixiang Wan,b   Ying Zhu*a  and  Lei Jiangab  

* Corresponding authors

a Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University, Beijing, P. R. China
E-mail: liuh@buaa.edu.cn, zhuying@buaa.edu.cn

b Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China

Abstract

A Janus free-standing polypyrrole (PPy) film was successfully fabricated by a facile one-step aqueous/organic interfacial electro-polymerization. The Janus film showed isotropic hierarchical micro/nano-structures resembling the surface of a lotus-leaf on the side facing the aqueous phase, and an anisotropic butterfly scale-like ordered porous microstructure on the other side facing the organic phase. The unique topographic nature of the Janus PPy film result in isotropic and anisotropic underwater superoleophobicity behavior. The controlled surface wettability will find broader applications in micro-fluidic devices, liquid transfer, and bio-inspired systems.

Graphical abstract: Bio-inspired isotropic and anisotropic wettability on a Janus free-standing polypyrrole film fabricated by interfacial electro-polymerization

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Article information

DOI
https://doi.org/10.1039/C2TA00841F
Article type
Paper
Submitted
22 Aug 2012
Accepted
26 Nov 2012
First published
26 Nov 2012

J. Mater. Chem. A, 2013,1, 1740-1744

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Bio-inspired isotropic and anisotropic wettability on a Janus free-standing polypyrrole film fabricated by interfacial electro-polymerization

J. Song, H. Liu, M. Wan, Y. Zhu and L. Jiang, J. Mater. Chem. A, 2013, 1, 1740 DOI: 10.1039/C2TA00841F

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