Dielectric properties, vibrational and ESR spectra of electrochemically prepared poly( N-methylpyrrole): effect of supporting electrolytes

Dielectric properties of electrochemically synthesized poly( N-methylpyrrole) (PNMP) prepared from aqueous electrolyte containing sulfate anions and aqueous electrolyte containing 4-hydroxybenzenesulfonate (HBS) anions have been obtained and compared with their ESR, Raman and grazing incidence FT-IR...

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Bibliographic Details
Published in:Synthetic metals 1990-12, Vol.39 (2), p.215-224
Main Authors: Binder, Michael, Mammone, Robert J., Schlotter, N.E.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Physicochemistry of polymers
Polymerization
Polymers and radiations
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Summary:Dielectric properties of electrochemically synthesized poly( N-methylpyrrole) (PNMP) prepared from aqueous electrolyte containing sulfate anions and aqueous electrolyte containing 4-hydroxybenzenesulfonate (HBS) anions have been obtained and compared with their ESR, Raman and grazing incidence FT-IR spectra. Dielectric and spectroscopic properties of PNMP were strongly dependent on the anion present in the supporting electrolyte during electrochemical polymerization. PNMP samples prepared from aqueous supporting electrolyte containing sulfate anions were highly insulating (< 10 −9 S/cm) and had broad ESR linewidths while PNMP samples prepared from aqueous supporting electrolyte containing HBS anions were 10 5 times more conducting and had narrow ESR linewidths.
ISSN:0379-6779
1879-3290
DOI:10.1016/0379-6779(90)90186-O