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Effect of FeCl3 on the morphology, wetting behavior, and stabilization/carbonization of polyacrylonitrile nanofibers prepared by electrospinning by Yibing Cai; Xiaolin Xu; Qufu Wei; Huizhen Ke; Wang Yao; Hui Qiao; Chuilin Lai; Guangfei He; Yong Zhao; Hao Fong is a Materials Science article available to read on EtoBox.

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## Abstract Herein we report that the neat polyacrylonitrile (PAN) nanofibers and PAN/FeCl~3~ composite nanofibers were prepared by the materials-processing technique of electrospinning. The effect of FeCl~3~ amount on the morphology and wetting behavior of the resulting composite nanofibers were studied by scanning electron microscopy (SEM) and drop shape analysis (DSA), respectively. The SEM images indicated that the diameters of composite nanofibers decreased with increase of FeCl~3~ amount, and this was probably due to the conductivity increase of spinning solutions. The results acquired from DSA measurement showed that the addition of FeCl~3~ increased the surface contact angle of water deposited on composite nanofibers, suggesting the higher hydrophobicity and the lower wetting behavior. Additionally, the effect of FeCl~3~ on stabilization and carbonization of the PAN composite nanofibers were investigated. The structural and morphological evolutions of the stabilized and carbonized nanofibers were studied by Fourier transfer infrared (FTIR) spectra and SEM. The FTIR spectra showed that the presence of FeCl~3~ in composite nanofibers considerably varied the mechanisms of ther

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Author

Yibing Cai; Xiaolin Xu; Qufu Wei; Huizhen Ke; Wang Yao; Hui Qiao; Chuilin Lai; Guangfei He; Yong Zhao; Hao Fong

Publisher

Walter de Gruyter GmbH

Published

2012

Language

EN

Field

Materials Science (Physical Sciences)