Electrochemical and electrocatalytic properties of polypyrrole film doped with heteropolyanions

Peng Wang, Yongfang Li

Research output: Contribution to journalArticlepeer-review

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Electrically conducting polypyrrole (PPy) doped with heteropolyanions (HPA) [PMo12O40]3-was synthesized by electrochemical polymerization. The electrical conductivity could be as high as 100 S cm-1. Cyclic voltammograms showed reversible redox peaks from the polymer itself and from the immobilized HPA. Electrochemical quartz crystal microbalance measurement indicated that the anions were retained in the polymer matrix without being replaced after repeated potential cycles in electrolyte solutions containing no HPA. We also examined the electrocatalytic effects of the electrodes modified by this PPy + HPA film on the reduction of oxygen and chlorate.

Original languageEnglish
Pages (from-to)77-81
Number of pages5
JournalJournal of Electroanalytical Chemistry
Issue number1-2
StatePublished - 30 May 1996
Externally publishedYes


  • Electrocatalysis
  • Electropolymerization
  • Heteropolyanion
  • Polypyrrole


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