Complexes of poly-3,4-ethylenedioxythiophene with polymeric sulfonic acids of different structures: Synthesis and optical and electric properties

  • O. L. Gribkova
  • N. E. Mitina
  • A. A. Nekrasov
  • V. F. Ivanov
  • V. A. Tverskoi
  • A. R. Tameev
  • A. V. Vannikov
Molecular and Supramolecular Structures at the Interfaces


Chemical polymerization of 3,4-ethylenedioxythiophene is carried out in the presence of polymeric sulfonic acids of different structures, such as flexible-chain polyacids with a uniform distribution of sulfonic acid groups along the macromolecular chain, namely, polystyrene sulfonic (PSSA) and poly-2-acrylamido-2-methyl-1-propanesulfonic (PAMPSA) acids, and rigid-chain polysulfonic acid with a nonuniform distribution of sulfonic acid groups along the macromolecular chain—namely, poly-p,p′-(2,2′-disulfonic acid)-diphenylene terephthalamide. The polymerization process and the properties of solutions and films of the synthesized complexes of poly-3,4-ethylenedioxythiophene (PEDOT) with the above polyacids are studied by the UV, visible, and near-IR spectroscopy. The electric properties of the films are investigated. The effects of the concentration ratio between the oxidizer and monomer and of the structure of polymeric acid on the kinetics of the PEDOT synthesis, as well as on the spectral and electric properties of the obtained polymer, are revealed. A correlation between the absorption of the PEDOT/PSSA complexes in the near-IR range and their specific conductivity is established.


Sulfonic Acid Group PASA Chemical Oxidative Polymerization PEDOT Film Ethylenedioxythiophene 
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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • O. L. Gribkova
    • 1
  • N. E. Mitina
    • 2
  • A. A. Nekrasov
    • 1
  • V. F. Ivanov
    • 1
  • V. A. Tverskoi
    • 2
  • A. R. Tameev
    • 1
  • A. V. Vannikov
    • 1
  1. 1.Frumkin Institute of Physical Chemistry and ElectrochemistryMoscowRussia
  2. 2.Moscow State University of Fine Chemical TechnologiesMoscowRussia

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