Visible-Light Sensitive Photocatalysts Based on the New Operation Principle

• Project/Area Number: 19750159
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Functional materials/Devices
• Research Institution: The University of Tokyo
• Principal Investigator: NAKAMURA Ryuhei The University of Tokyo, 大学院・工学系研究科, 助教 (10447419)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,780,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥480,000); Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000); Fiscal Year 2007: ¥1,700,000 (Direct Cost: ¥1,700,000)
• Keywords: 光学材料 / 素子 / 光エネルギー変換 / 光 / エネルギー / 電気化学 / 無機錯体 / 複合材料

Research Abstract

本研究では、ヘテロ2核金属錯体の金属間電荷移動遷移(MMCT)を利用した全無機分子光材料の合成を行なってきた。メソポーラスシリカ細孔内に合成したTi(IV)-O-Ce(III)/SiO_2は、可視光域にMMCT由来の強い吸収を持つこと、そして有機物の光酸化分解反応に対して可視光応答性を示すことを見出した。

Research Products

• [Journal Article] Anchored Oxo-Bridged Bimetallic Complexes, (SiO)_3-Ti-O-Fe(corrole), on Silica Mesopores as Multi-Electron-Transfer Photosystems (2008)
  • Author(s): A. Okamoto, R. Nakamura, H. Osawa, K. Hashimoto
  • Journal Title: The Journal of Physical Chemistry C 112 Pages: 19777-19783
  • Peer Reviewed
• [Journal Article] Site-Specific Synthesis of Oxo-Bridged Mixed-Valence Binuclear Complexes on Mesoporous Silica (2008)
  • Author(s): A. Okamoto, R. Nakamura, H. Osawa, K. Hashimoto
  • Journal Title: Langmuir 24 Pages: 7011-7017
  • Peer Reviewed
• [Journal Article] Anchored Oxo-Bridged Bimetallic Complexes, (SiO)_3-Ti-O-Fe(corrole), on Silica Mesonores as Multi-Electron-Transfer Photosystems (2008)
  • Author(s): 岡本章玄
  • Journal Title: Journal of physical Chemistry C 112 Pages: 19777-19783
  • Peer Reviewed
• [Journal Article] Site-specific Synthesis of Oxo-bridged Mixed-valence Binuclear Complexes on Mesoporous Silica (2008)
  • Author(s): 岡本 章玄
  • Journal Title: Langmuir (in press)(In press)(掲載確定)
  • Peer Reviewed
• [Journal Article] Design of All-Inorganic Molecular-Based Photocatalysts Sensitive to Visible Light: Ti(IV)-O-Ce(III) Bimetallic Assemblies on Mesoporous Silica (2007)
  • Author(s): R. Nakamura, A. Okamoto, H. Osawa, H. Irie, K. Hashimoto
  • Journal Title: Journal of American Chemical Society 129 Pages: 9596-9597
  • Peer Reviewed
• [Journal Article] Design of All-Inorganic Molecular-Based Photocatalysts Sensitive to Visible Light: Ti(IV)-O-Ce(III)Bimetallic Assemblies on Mesoporous Silica (2007)
  • Author(s): 中村 龍平
  • Journal Title: Journal of American Chemical Society 129 Pages: 9596-9596
  • Peer Reviewed
• [Presentation] 無機クラスター系・人工光合成材料 (2009)
  • Author(s): 中村龍平
  • Organizer: 応用物理学会
  • Place of Presentation: 筑波大学
  • Year and Date: 2009-03-30
• [Presentation] 無機分子・クラスター系の人工光合成材料 (2009)
  • Author(s): 中村龍平
  • Organizer: 第56回応用物理学会
  • Place of Presentation: 筑波大学
• [Presentation] 可視光応答性全無機多核酸化物錯体の多孔質シリカ細孔内合成法の開発 (2008)
  • Author(s): 高鳴敏宏, 中村龍平, 橋本和仁
  • Organizer: 2008年光化学討論会
  • Place of Presentation: 大阪府立大学
• [Presentation] 金属-クラスター間光電荷移動遷移を示すCeW錯体のシリカ細孔内合成 (2008)
  • Author(s): 高鳴敏宏, 中村龍平, 橋本和仁
  • Organizer: 第58回錯体化学討論会
  • Place of Presentation: 金沢大学
• [Presentation] Design of Visible-light Absorbing Polyoxometalates; Photoinduced Ce(III) to W_6O_<19> Charge Transfer (2008)
  • Author(s): Toshihiro Takashima, Ryuhei Nakamura, Kazuhito Hashimoto
  • Organizer: 17th International Conference on Photochemical Conversion and Storage of Solar Energy
  • Place of Presentation: Sydney(Australia)
• [Presentation] Ti(IV)/Ce(III) Bimetallic Photocatalysts Sensitive to Visible Light (2008)
  • Author(s): Ryuhei Nakamura, Toshihiro Takashima, Kazuhito Hashimoto
  • Organizer: 17th International Conference on Photochemical Conversion and Storage of Solar Energy
  • Place of Presentation: Sydney(Australia)
• [Presentation] ヘテロ金属間相互作用を有する多核金属酸化物錯体の合成と光学特性評価 (2007)
  • Author(s): 中村龍平
  • Organizer: 固体表面光化学会
  • Place of Presentation: 大阪府立大学
  • Year and Date: 2007-11-27
• [Presentation] 異種二核金属サイトの金属間電荷移動遷移を利用した全無機分子光触媒 (2007)
  • Author(s): 中村龍平
  • Organizer: 錯体討論会
  • Place of Presentation: 名古屋大学
  • Year and Date: 2007-09-25
• [Presentation] ヘテロ金属間電子相互作用制御に基づいた無機分子光触媒材料の開発 (2007)
  • Author(s): 中村龍平
  • Organizer: 電気化学会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2007-09-19
• [Presentation] Synthesis and Characterization of Photo-Driven Multi-Electron Transfer Catalysts inside the Mesoporous Silica (2007)
  • Author(s): 中村龍平
  • Organizer: 金属の関与する生体関連反応シンポジウム
  • Place of Presentation: 京都テレサ
  • Year and Date: 2007-06-22