Magnetic field effects on the dopant-exchange process in polypyrrole

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Abstract

The electrochemical dopant-exchange (DE) process of p-toluenesulfonate-doped polypyrrole (PPy/TsO-) was studied in LiClO4 and LiBF4 aqueous solutions under high magnetic fields of up to 12 T. The application of magnetic fields to the redox process of the PPy/TsO- film or to the electropolymerization process shifts the undoping potential of the TsO- ion to a positive or negative side, respectively. As a result, the magnetic fields allow control of the plastic behavior in the DE process of the PPy/TsO- film. These results are discussed in connection with the effect of the diamagnetic orientation.

Original languageEnglish
Pages (from-to)2661-2666
Number of pages6
JournalBulletin of the Chemical Society of Japan
Volume69
Issue number9
DOIs
Publication statusPublished - 1996 Sep

ASJC Scopus subject areas

  • Chemistry(all)

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