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On the high conductivity of nonconjugated polymers

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Abstract

The mechanism of charge transfer in a metal-electroactive polymer-metal structure has been experimentally studied near the threshold of the uniaxial-pressure-induced transition into a high-conductivity state in the polymer. The dynamics of the I-V curve is investigated as a function of the applied pressure. The data obtained are analyzed in terms of the model of injection currents using the concepts of possible scanning of a quasi-Fermi level near an injection level. Our estimates suggest that a narrow band made of deep trap states located near the Fermi level forms in the polymer film in the pretransition pressure range. In the immediate vicinity of the transition range, a narrow band of coherent charge transfer appears from these states; this band can be responsible for the high metal-type conductivity of thin polymer films, which has been repeatedly observed by many researchers.

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Authors and Affiliations

  1. Institute of Molecular and Crystal Physics, Ufa Scientific Center, Russian Academy of Sciences, Ufa, 450075, Bashkortostan, Russia

    A. N. Lachinov, V. M. Kornilov, T. G. Zagurenko & A. Yu. Zherebov

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  1. A. N. Lachinov
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  2. V. M. Kornilov
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  3. T. G. Zagurenko
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  4. A. Yu. Zherebov
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Additional information

Original Russian Text © A.N. Lachinov, V.M. Kornilov, T.G. Zagurenko, A.Yu. Zherebov, 2006, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2006, Vol. 129, No. 4, pp. 728–734.

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Lachinov, A.N., Kornilov, V.M., Zagurenko, T.G. et al. On the high conductivity of nonconjugated polymers. J. Exp. Theor. Phys. 102, 640–645 (2006). https://doi.org/10.1134/S1063776106040133

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  • DOI: https://doi.org/10.1134/S1063776106040133

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