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Dispersion-induced insulator-to-metal transition in polyaniline

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Abstract:

Melt dispersion processing--without solvents or “secondary dopants”--pushes polyaniline reproducibly to the metallic side of the IM transition, although the undispersed polyaniline is on the insulator side. This is the first time that a conductive polymer is found there without applying pressure. The transition to the metallic state is associated with a decrease of the C6-N-C6 angle from 166° to 134°.

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Authors and Affiliations

  1. Ormecon Chemie (a subsidiary of Zipperling Kessler & Co) Ammersbek, Germany, , , , , , DE

    B. Wessling

  2. Department of Physics, Indian Institute of Technology, Madras, India, , , , , , IN

    D. Srinivasan & G. Rangarajan

  3. II. Department of Physics, University of Cologne, Germany, , , , , , DE

    T. Mietzner & W. Lennartz

Authors
  1. B. Wessling
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  2. D. Srinivasan
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  3. G. Rangarajan
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  4. T. Mietzner
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  5. W. Lennartz
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Received 11 May 1999 and Received in final form 22 November 1999

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Wessling, B., Srinivasan, D., Rangarajan, G. et al. Dispersion-induced insulator-to-metal transition in polyaniline. Eur. Phys. J. E 2, 207–210 (2000). https://doi.org/10.1007/PL00013668

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  • DOI: https://doi.org/10.1007/PL00013668

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