Conducting PANI/PAN Coaxial Nanofibers with Tuned Wettability

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (1): 196.

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Conducting PANI/PAN Coaxial Nanofibers with Tuned Wettability

ZHU Ying^1,2, ZHANG Jing-Chang¹, ZHENG Yong-Mei², ZHAI Jin², JIANG Lei²

1. School of Science, Beijing University of Chemical Technology, Beijing 100029, China;
2. Center of Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

Received:2005-08-25 Online:2006-01-10 Published:2006-01-10
Contact: JIANG Lei,E-mail: jinaglei@iccas.ac.cn

Abstract

Abstract:

Abstract By using the template of electrospun polyacrylonitrile (PAN) nanofibers, PANI/PAN nanofibers of conducting forms were prepared in situ chemical polymerization of aniline with the oxidant (NH₄)₂S₂O₄. The SEM indicates that the long nanofibers are randomly distributed in a fibrous mat with a rough surface composed PANI particles whose diameters are about 70-80 nm. And the nanofibers′ core-shell structure, i.e. coaxial structure, which is consisted of core nanofiber of PAN and shell of PANI, is also displayed clearly by TEM image. The PANI/PAN coaxial conducting nanofibers were dedoped by dilute ammonia solution and then redoped by PFOS, exhibiting wonderful superhydrophobicity. The wettability of PANI/PAN coaxial nanofiber can be actively controlled by the doped different organic sulfonic acids on the surface.

Key words: Wettability; Nanofibers; Electrospinning; Polyaniline

CLC Number:

O631

TrendMD:

ZHU Ying, ZHANG Jing-Chang, ZHENG Yong-Mei, ZHAI Jin, JIANG Lei. Conducting PANI/PAN Coaxial Nanofibers with Tuned Wettability[J]. Chem. J. Chinese Universities, 2006, 27(1): 196.

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Conducting PANI/PAN Coaxial Nanofibers with Tuned Wettability

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