Issue 22, 2011
From the journal:

Soft Matter

Micro helical polymeric structures produced by variable voltage direct electrospinning

S. P. Shariatpanahi,a   A. Iraji zad,*ab   I. Abdollahzadeh,a   R. Shirsavar,a   D. Bonncd  and  R. Ejtehadia  

* Corresponding authors

a Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran
E-mail: irajizad@sharif.edu
Fax: +21 6602 2711
Tel: +21 6616 4513

b Institute for Nanoscience and Nanotechnology (INST), Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran

c Laboratoire de Physique Statistique, CNRS UMR 8550, Ecole Normale Superieure, 24 Rue Lhomond, Paris Cedex 05, France

d Van der Waals-Zeeman Institute, University of Amsterdam, Valckenierstraat 65, Amsterdam, The Netherlands

Abstract

Direct near field electrospinning is used to produce very long helical polystyrene microfibers in water. The pitch length of helices can be controlled by changing the applied voltage, allowing the production of both microsprings and microchannels. Using a novel high frequency variable voltage electrospinning method we determined the helix formation speed and compared the experimental buckling frequency to theoretical expressions for viscous and elastic buckling. Finally we showed that the new method can be used to produce new periodic micro and nano structures.

Graphical abstract: Micro helical polymeric structures produced by variable voltage direct electrospinning

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Article information

DOI
https://doi.org/10.1039/C1SM06009K
Article type
Communication
Submitted
31 May 2011
Accepted
09 Sep 2011
First published
05 Oct 2011

Soft Matter, 2011,7, 10548-10551

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Micro helical polymeric structures produced by variable voltage direct electrospinning

S. P. Shariatpanahi, A. Iraji zad, I. Abdollahzadeh, R. Shirsavar, D. Bonn and R. Ejtehadi, Soft Matter, 2011, 7, 10548 DOI: 10.1039/C1SM06009K

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