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Issue 35, 2012
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Centrifugal electrospinning of highly aligned polymer nanofibers over a large area

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Abstract

Well-ordered one-dimensional nanostructures are enabling important new applications in textiles, energy, environment and bioengineering owing to their unique and anisotropic properties. However, the production of highly aligned nanofibers in a large area remains a significant challenge. Here we report a powerful, yet economical approach that integrates the concepts of the parallel-electrode electrospinning with centrifugal dispersion to produce nanofibers with a high degree of alignment and uniformity at a large scale. We first demonstrated this approach with polyvinylidene fluoride to show how experimental parameters regulate fiber properties, and then with chitosan, a natural polymer, and polyethylene oxide, a synthetic polymer, to illustrate the versatility of the system. As a model application, we then demonstrated the significance of fiber alignment in improving the piezoelectric effect for voltage generation. The technique presented here may be used for mass production of aligned nanofibers of various polymers for a myriad of applications.

Graphical abstract: Centrifugal electrospinning of highly aligned polymer nanofibers over a large area

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Supplementary files

Article information


Submitted
15 Jun 2012
Accepted
20 Jul 2012
First published
24 Jul 2012

J. Mater. Chem., 2012,22, 18646-18652
Article type
Paper

Centrifugal electrospinning of highly aligned polymer nanofibers over a large area

D. Edmondson, A. Cooper, S. Jana, D. Wood and M. Zhang, J. Mater. Chem., 2012, 22, 18646
DOI: 10.1039/C2JM33877G

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