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Polymers 2011, 3(1), 51-64;

Conduction and Electrostriction of Polymers Induced by High Electric Fields

Department of Physics and Atmospheric Science, Dalhousie University, Halifax, N.S. B3H 3J5, Canada
Author to whom correspondence should be addressed.
Received: 29 November 2010 / Revised: 23 December 2010 / Accepted: 24 December 2010 / Published: 27 December 2010
(This article belongs to the Special Issue Conductive Polymers)
Full-Text   |   PDF [552 KB, uploaded 27 December 2010]   |  


After reviewing the new physics and chemistry in high electrostatic fields we use density functional theory to show that in fields around 1.5 V/Å the bandgap of polythiophene reduces to zero leading to field-induced metallization. In poly(ethylene glycol), on the other hand, such fields lead to giant electrostriction of over 20% in length. Lastly, we give two examples of field-induced polymerization: (1) the closure of sulfur molecules Sn at n = 8 is suppressed remaining linear up to n ~ 20. (2) This also happens to water which forms linear whiskers up to n ~ 11. View Full-Text
Keywords: polythiophene; poly(ethylene glycol); sulfur polymers; water polymers polythiophene; poly(ethylene glycol); sulfur polymers; water polymers

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Karahka, M.; Kreuzer, H.J. Conduction and Electrostriction of Polymers Induced by High Electric Fields. Polymers 2011, 3, 51-64.

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