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Sensitization of the photoelectric effect in carbazole- and indolocarbazole-containing poly(phenylquinoline)s by benzothiadiazole acceptor molecules

  • Amorphous, Vitreous, and Organic Semiconductors
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Abstract

The efficient sensitization of the photoelectric effect in mixed compositions of poly(phenylquinoline)s (PPQ) with 2,1,3-benzothiadiazole (BTDZ) molecules is established. The introduction of 10 wt % BTDZ results in extension of the spectral sensitivity range of PPQ and an increase in the photosensitivity and photocurrent by factors of 4.5 and more than 6, respectively. It is shown that the effect is caused by complex formation between PPQ donor fragments and BTDZ acceptor molecules; the strongest, in comparison with the increase in photosensitivity, is probably caused by the transport of free photogenerated carriers (electrons) over sensitizer molecules introduced into the polymer.

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Authors and Affiliations

  1. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bolshoi pr. 31, St. Petersburg, 199004, Russia

    V. M. Svetlichnyi, N. V. Matyushina, L. A. Myagkova & V. V. Kudryavtsev

  2. Ioffe Physical-Technical Institute, Russian Academy of Sciences, ul. Politekhnicheskaya 26, St. Petersburg, 194021, Russia

    E. L. Aleksandrova

  3. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, korp. 4, Moscow, 119071, Russia

    A. R. Tameev

Authors
  1. E. L. Aleksandrova
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  2. V. M. Svetlichnyi
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  3. N. V. Matyushina
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  4. L. A. Myagkova
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  5. V. V. Kudryavtsev
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  6. A. R. Tameev
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Corresponding author

Correspondence to V. M. Svetlichnyi.

Additional information

Original Russian Text © E.L. Aleksandrova, V.M. Svetlichnyi, N.V. Matyushina, L.A. Myagkova, V.V. Kudryavtsev, A.R. Tameev, 2014, published in Fizika i Tekhnika Poluprovodnikov, 2014, Vol. 48, No. 11, pp. 1517–1520.

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Aleksandrova, E.L., Svetlichnyi, V.M., Matyushina, N.V. et al. Sensitization of the photoelectric effect in carbazole- and indolocarbazole-containing poly(phenylquinoline)s by benzothiadiazole acceptor molecules. Semiconductors 48, 1481–1484 (2014). https://doi.org/10.1134/S1063782614110025

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  • DOI: https://doi.org/10.1134/S1063782614110025

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