Effects of dopant anions and N-substituents on the electrochemical behavior of polypyrrole films in propylene carbonate solution

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The electrochemical properties of poly(N-ethylpyrrole) (PEPy) and poly(N-methylpyrrole) (PMPy) films in propylene carbonate (PC) solution, where ion transport is anion-specific, has been investigated using the cyclic electrochemical quartz crystal microbalance (EQCM) technique and electrochemical impedance techniques. The type of dopant anion (PF6- vs. ClO4-) used for the film preparation and the N-substituents (ethyl vs. methyl) have profound effects on the solvent transport behavior, charge capacity, and ionic resistance of the films. (C) 2002 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE INC
Issue Date
2002-02
Language
English
Article Type
Article
Keywords

ELECTROGRAVIMETRIC IMPEDANCE TECHNIQUES; WATER TRANSPORT; POLYMER-FILMS; POLYANILINE

Citation

ELECTROCHEMISTRY COMMUNICATIONS, v.4, no.2, pp.128 - 133

ISSN
1388-2481
URI
http://hdl.handle.net/10203/79371
Appears in Collection
CH-Journal Papers(저널논문)
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