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Design of (X-DADAD)(n) Type Copolymers for Efficient Bulk Heterojunction Organic Solar Cells

Akkuratov, A. V., Susarova, D. K., Kozlov, O. V., Chernyak, A. V., Moskvin, Y. L., Frolova, L. A., Pshenichnikov, M. S. & Troshin, P. A., 14-Apr-2015, In : Macromolecules. 48, 7, p. 2013-2021 9 p.

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  • Design of (X-DADAD)(n) Type Copolymers for Efficient Bulk Heterojunction Organic

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DOI

  • Alexander V. Akkuratov
  • Diana K. Susarova
  • Oleg V. Kozlov
  • Alexander V. Chernyak
  • Yuriy L. Moskvin
  • Lubov A. Frolova
  • Maxim S. Pshenichnikov
  • Pavel A. Troshin

We show that extended TBTBT structure (T = thiophene, B = benzothiadiazole) can be used as an electron-deficient building block for designing conjugated polymers with deeply lying HOMO energy levels and narrow band gaps. The first carbazole-TBTBT copolymer P2 demonstrated power conversion efficiencies exceeding 6% in bulk heterojunction solar cells in combination with advanced operational stability, unlike conventional donor polymers such as PTB7, PBDTTT-CF, etc.

Original languageEnglish
Pages (from-to)2013-2021
Number of pages9
JournalMacromolecules
Volume48
Issue number7
Publication statusPublished - 14-Apr-2015

    Keywords

  • CONJUGATED POLYMERS, PHOTOVOLTAIC PERFORMANCE, CONVERSION EFFICIENCY, FULLERENE DERIVATIVES, DYNAMICS, CHARGE, MORPHOLOGY, STABILITY, DONORS, FILMS

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