Effects of dopant anions and N-substituents on the electrochemical behavior of polypyrrole films in propylene carbonate solution
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
- Appears in Collection
- CH-Journal Papers(저널논문)
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