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In situ FTIR Spectroscopy of Polyaniline

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Electronic Properties of Conjugated Polymers

Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 76))

Abstract

The infrared absorption of electrochemically synthesized polyaniline is measured in situ during the electrochemical redox processes in non aqeous electrolytes with Fourier Transform (FTIR) technique. The first oxidation process is associated with a strong increase in the background absorption in addition to vibrational changes due to the benzenoid-semiquinoid transition in the ring structure and loss of protons bound to the nitrogen atoms. In the second oxidation process intercalation of anions occurs, the background absorption decreases and quinoid ring bands appear. From these results and neutron activation analysis of anions in the polymer we derived a structural model of polyaniline, which explains the changes in the two redox processes.

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Author information

Authors and Affiliations

  1. Institut für Festkörperphysik, Universität Wien, Strudlhofgasse 4, A-1090, Wien, Austria

    N. S. Sariciftci & H. Kuzmany

  2. Ludwig Boltzmann Institut für Festkörperphysik, A-1090, Wien, Austria

    A. Neckel

  3. Institut für Physikalische Chemie, Universität Wien, Währingerstr. 42, A-1090, Wien, Austria

    H. Neugebauer & A. Neckel

Authors
  1. N. S. Sariciftci
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  2. H. Neugebauer
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  3. H. Kuzmany
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  4. A. Neckel
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Editor information

Editors and Affiliations

  1. Institut für Festkörperphysik, Universität Wien, Strudlhofgasse 4, A-1090, Wien, Austria

    Hans Kuzmany

  2. Ludwig Boltzmann Institut für Festkörperphysik, Wien, Kopernikusgasse 15, A-1090, Wien, Austria

    Hans Kuzmany

  3. Physikalisches Institut II, Universität Stuttgart, Pfaffenwaldring 57, D-7000, Stuttgart 80, Fed. Rep. of Germany

    Michael Mehring

  4. Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-7000, Stuttgart 80, Fed. Rep. of Germany

    Siegmar Roth

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© 1987 Springer-Verlag Berlin Heidelberg

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Sariciftci, N.S., Neugebauer, H., Kuzmany, H., Neckel, A. (1987). In situ FTIR Spectroscopy of Polyaniline. In: Kuzmany, H., Mehring, M., Roth, S. (eds) Electronic Properties of Conjugated Polymers. Springer Series in Solid-State Sciences, vol 76. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83284-0_39

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  • DOI: https://doi.org/10.1007/978-3-642-83284-0_39

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-83286-4

  • Online ISBN: 978-3-642-83284-0

  • eBook Packages: Springer Book Archive

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