並列タイトル等Development of Valence-Band-Controlled Metal Oxide Photocatalysts Aiming at Solar Water Splitting
一般注記近年，光触媒を用いたソーラー水分解が注目を集めている．価電子帯制御型金属酸化物光触媒は，実用化の観点から重要な材料群の1つである．その中でも，高効率な水分解活性を示すAgTaO3やイオン交換法によって開発された可視光応答性光触媒を紹介する．光触媒–電解ハイブリッドシステムについても説明する．
Photocatalytic solar water splitting is a promising science and technology to solve energy, environmental, and resource issues. Metal oxide photocatalysts valence-band-controlled with Ag(I), Cu(I), Pb(II), Sn(II), and Bi(III) are significant materials from the viewpoint of responsive wavelength. Rh0.5Cr1.5O3-loaded AgTaO3 gave 38％ of the apparent quantum yield (AQY) and 0.13％ of the solar to hydrogen energy conversion efficiency (STH). The AQY and STH were the highest among valence-band-controlled photocatalysts. Cu(I)-ion-exchanged K2SrTa2O7 synthesized by a molten CuCl treatment produced H2 from an aqueous solution containing sacrificial reagents, responding to visible light up to 600 nm. Recently, the author focuses on development of a photocatalyst for the photocatalysis-electrolysis hybrid system.
identifier:oai:t2r2.star.titech.ac.jp:50641879
連携機関・データベース国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）