Journal
APPLIED PHYSICS LETTERS
Volume 84, Issue 23, Pages 4807-4809Publisher
AMER INST PHYSICS
DOI: 10.1063/1.1762704
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Microscale helical coils consisting of a composite of one conducting and one nonconducting polymer were produced using electrospinning. The nonconducting polymer was poly(ethylene oxide) and the conducting polymer was poly(aniline sulfonic acid). The coil structures were studied over a range of processing conditions and fiber composition. The data suggest that the helical structures are formed due to viscoelastic contraction upon partial neutralization of the charged fibers. Polymeric microcoils may find applications in microelectromechanical systems, advanced optical components, and drug delivery systems. (C) 2004 American Institute of Physics.
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