Structural effects in polypyrrole synthesis

F.T.A. Vork, L.J.J. Janssen

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    Production of very thick polypyrrole films is an easy process, as the thickness can be controlled in a galvanostatic experiment by measuring the polymerization time. When using the p-toluene sulfonate anion, tough and flexible films with a high specific conductivity (70–90 O-1 cm-1) are produced. These properties are the same for films, produced in both acetonitrile and aqueous solutions. Both types of films contain a large amount of incorporated anion and solvent, even after drying in vacuo at room temperature. In aqueous solutions a polymer film with tube-like bulges are formed, probably caused by a spiralled microstructure of the chain. In acetonitrile no such tubes are found.
    Original languageEnglish
    Pages (from-to)1513-1517
    JournalElectrochimica Acta
    Issue number11
    Publication statusPublished - 1988


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