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Synthesis and Optical and Electrochemical Properties of Novel Random Terpolymers Based on Diketopyrrolopyrrole and Benzodithiazole/Quinoxaline Units for Polymer Solar Cells

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Abstract

Two new binary polymers (P16, P20) and three random terpolymers (P17, P18, P19) with different ratios of the A1 (DPP) and A2 (BTTQ) acceptors in the polymer chains were developed and synthesized. Their optical and electrochemical properties were studied. The random terpolymers (P17, P18, P19) possess wider absorption spectra than the binary D–A copolymers (P16, P20). It was shown that the position of absorption bands and energy levels can be easily tuned by varying the molar ratios of the two different acceptor units in the terpolymer backbone. The synthesized random terpolymers can be used as efficient donor materials for fullerene and non-fullerene polymer solar cells.

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Funding

The study was supported by the Russian Foundation for Basic Research (project nos. 18–53–80066, 18–53–45028, 18–29–23004, and 18–53–53031) and Program no. 38 of the Presidium of the Russian Academy of Sciences. The NMR spectra were recorded and elemental analysis was performed with the support of the Ministry of Science and Higher Education of the Russian Federation using the research equipment of the Center of Molecular Structure Investigation at Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences.

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Authors and Affiliations

  1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991, Moscow, Russia

    M. L. Keshtov, S. A. Kuklin, I. O. Konstantinov, I. E. Ostapov &  A. R. Khokhlov

  2. Moscow State University, 119991, Moscow, Russia

    E. E. Mahaeva &  A. R. Khokhlov

  3. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China

    Z. Xie

  4. Department of Physics, The LNM Institute for Information Technology Jamdoli, Rajasthan, Jaipur, India

    G. D. Sharma

Authors
  1. M. L. Keshtov
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  2. S. A. Kuklin
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  3. I. O. Konstantinov
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  4. I. E. Ostapov
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  5. E. E. Mahaeva
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  6. A. R. Khokhlov
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  7. Z. Xie
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  8. G. D. Sharma
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Correspondence to M. L. Keshtov.

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Translated by Z. Svitanko

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Keshtov, M.L., Kuklin, S.A., Konstantinov, I.O. et al. Synthesis and Optical and Electrochemical Properties of Novel Random Terpolymers Based on Diketopyrrolopyrrole and Benzodithiazole/Quinoxaline Units for Polymer Solar Cells. Dokl Chem 490, 6–10 (2020). https://doi.org/10.1134/S0012500820010036

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  • DOI: https://doi.org/10.1134/S0012500820010036

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