Journal
ELECTROCHIMICA ACTA
Volume 46, Issue 13-14, Pages 2031-2034Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0013-4686(01)00420-0
Keywords
conjugated polymer; electrochromism; morphology; polymer blend; hydrogel electrode
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Development of nanostructured blends of electrochromic polymers formed by self-assembly is reported. We have prepared blends of a polythiophene derivative. poly(3,4-ethylenedioxythiophene) and polypyrrole, combining optical and electrochemical properties of the two polymers. The route towards these blends is based on self-assembly of the former polymer into a hydrogel, and subsequent electrochemical polymerisation of the latter using the conducting hydrogel matrix as a template. When used as electrodes, these materials show very fast electrochromic response. The route used in the present work is generic and may be extended to other polymers. (C) 2001 Elsevier Science Ltd. All rights reserved.
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