title: Benzophosphole oxide and sulfide for thermally stable cathode buffer layers in organic thin-film photovoltaic devices.
authors.affiliation: Department of Chemistry, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan. tsuji@chem.s.u-tokyo.ac.jp
authors.forename: Hayato
authors.initials: H
authors.lastname: Tsuji
authors.forename: Kosuke
authors.initials: K
authors.lastname: Sato
authors.forename: Yoshiharu
authors.initials: Y
authors.lastname: Sato
authors.forename: Eiichi
authors.initials: E
authors.lastname: Nakamura