Halogen Bonded Directly To The Tricyclo Ring System Patents (Class 549/238)
  • Functionalized pyranopyran-derived acceptors for donor-acceptor polymers
    Patent number: 9831434
    Abstract: An organic photovoltaic device includes an anode and a cathode. The organic photovoltaic device includes an active layer between the anode and the cathode. The active layer includes a p-type material. The p-type material includes a donor-acceptor (DA) polymer. An acceptor unit of the DA polymer includes a functionalized pyranopyran-dione compound or a functionalized naphthyridine-dione compound.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: November 28, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Brandon M. Kobilka, Jason T. Wertz