title: A water splitting system using an organo-photocathode and titanium dioxide photoanode capable of bias-free H2 and O2 evolution.
abstract: This study examined a water-splitting system comprising a TiO2 photoanode and an organo-photocathode consisting of a p-n bilayer. Stoichiometric decomposition of water into H2 and O2 successfully occurred at bias voltages lower than the theoretical value (i.e. 1.23 V). Compared to the conventional TiO2 and Pt systems, the proposed water-splitting system demonstrated water splitting without any externally applied bias.
authors.affiliation: Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki 036-8561, Japan. tabe@hirosaki-u.ac.jp.
authors.forename: Toshiyuki
authors.initials: T
authors.lastname: Abe
authors.affiliation: Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki 036-8561, Japan. tabe@hirosaki-u.ac.jp.
authors.forename: Katsuma
authors.initials: K
authors.lastname: Fukui
authors.affiliation: Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki 036-8561, Japan. tabe@hirosaki-u.ac.jp.
authors.forename: Yuto
authors.initials: Y
authors.lastname: Kawai
authors.affiliation: Chemical Resources Laboratory, Tokyo Institute of Technology, Suzukake-dai, Midori-ku, Yokohama 226-8503, Japan.
authors.forename: Keiji
authors.initials: K
authors.lastname: Nagai
authors.affiliation: Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan.
authors.forename: Hideki
authors.initials: H
authors.lastname: Kato