Theory of Primary Photoexcitations in Donor-Acceptor Copolymers

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Aryanpour, Karan; Dutta, Tirthankar; Huynh, Uyen N. V.; Vardeny, Zeev Valy; Mazumdar, Sumit;
  • Related identifiers: doi: 10.1103/PhysRevLett.115.267401
  • Subject: Condensed Matter - Mesoscale and Nanoscale Physics
    arxiv: Condensed Matter::Materials Science | Physics::Chemical Physics

We present a generic theory of primary photoexcitations in low band gap donor-acceptor conjugated copolymers. Because of the combined effects of strong electron correlations and broken symmetry, there is considerable mixing between a charge-transfer exciton and an energ... View more
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