Electrochemical and chemical modification of poly-o-phenylenediamine redox polymer |
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Authors: | E Yu Pisarevskaya E V Ovsyannikova N M Alpatova |
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Institution: | (1) Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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Abstract: | Various methods for modification of poly-o-phenylenediamine (PPD) redox polymer with polyaniline (PANI) electron-conducting polymer, ReO
4
−
and SiMo12O40]4− anions, and palladium clusters are compared. Participation of anions is proven in the processes of PPD synthesis and redox
transformations. Formation mechanisms and properties of composites consisting of a redox polymer and electron-conducting polymer
and those of two different electron-conducting polymers are compared for example of PPD-PANI and ethylene-dioxythiophene-polybithiophene.
A comparison of these systems shows the main change in the potential drop to take place at the metal/polymer interface for
a redox polymer and at the polymer/solution interface, for an electron-conducting polymer.
Published in Russian in Elektrokhimiya, 2006, Vol. 42, No. 12, pp. 1409–1416.
Based on the report delivered at the 8th International Frumkin Symposium “Kinetics of the Electrode Processes,” October 18–22,
2005, Moscow.
The article was translated by the authors. |
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Keywords: | redox polymer poly-o-phenylenediamine palladium electropolymerization ethylenedioxythiophene polybithiophene modified polymer |
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