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Construction of a new photochemical hydrogen-generating system based on ion-pairing of iridium complexes with molecular catalysts

Research Project

Project/Area Number 15K17840
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Functional solid state chemistry
Research InstitutionThe University of Tokyo

Principal Investigator

TAKIZAWA Shin-ya  東京大学, 大学院総合文化研究科, 助教 (40571055)

Project Period (FY) 2015-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywordsイリジウム錯体 / 増感剤 / リン光 / 人工光合成 / 光水素発生 / ベシクル / コバルト錯体
Outline of Final Research Achievements

The demand for clean energy sources, such as hydrogen (H2) produced from water and solar energy, has increased in recent years. In this context, the goal of this research was to construct a new photochemical H2-generating system based on ion-pairing of iridium(Ir) photosensitizers with molecular catalysts in lipid bilayer membranes where efficient photoinduced electron-transfer could occur between these components. We have developed new cationic and anionic Ir complexes with coumarin dyes and found that these complexes work as photosensitizers in visible light-driven H2 generation. Some cationic Ir complexes have been successfully incorporated into bilayer membranes of vesicles. We have also synthesized a new “soft salt” that is composed of a cationic Ir complex and anionic cobalt molecular catalyst.

Report

(3 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • Research Products

    (16 results)

All 2017 2016 2015 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (14 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results) Remarks (1 results)

  • [Journal Article] Impact of substituents on excited-state and photosensitizing properties in cationic iridium(III) complexes with ligands of coumarin 62016

    • Author(s)
      Shin-ya Takizawa, Naoya Ikuta, Fanyang Zeng, Shohei Komaru, Shinogu Sebata, Shigeru Murata
    • Journal Title

      Inorganic Chemistry

      Volume: 55 Issue: 17 Pages: 8723-8735

    • DOI

      10.1021/acs.inorgchem.6b01279

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] クマリン6を配位子とするカチオン性イリジウム錯体のベシクル膜中における光化学的挙動2017

    • Author(s)
      滝沢進也,生田直也,村田 滋
    • Organizer
      日本化学会第97春季年会
    • Place of Presentation
      慶應義塾大学日吉キャンパス(横浜市・港北区)
    • Year and Date
      2017-03-16
    • Related Report
      2016 Annual Research Report
  • [Presentation] クマリン6および三座配位子を有するイリジウム錯体の光化学的挙動2017

    • Author(s)
      瀬端 凌,滝沢進也,村田 滋
    • Organizer
      日本化学会第97春季年会
    • Place of Presentation
      慶應義塾大学日吉キャンパス(横浜市・港北区)
    • Year and Date
      2017-03-16
    • Related Report
      2016 Annual Research Report
  • [Presentation] 種々の置換基を有するトリスシクロメタレート型イリジウム錯体を増感剤とするベシクル中における二酸化炭素光還元反応2017

    • Author(s)
      古山 啓,生田直也,滝沢進也,村田 滋
    • Organizer
      日本化学会第97春季年会
    • Place of Presentation
      慶應義塾大学日吉キャンパス(横浜市・港北区)
    • Year and Date
      2017-03-16
    • Related Report
      2016 Annual Research Report
  • [Presentation] ベシクル中のイリジウム錯体を増感剤とする二酸化炭素光還元反応2016

    • Author(s)
      古山 啓,生田直也,滝沢進也,村田 滋
    • Organizer
      錯体化学会第66回討論会
    • Place of Presentation
      福岡大学七隈キャンパス(福岡市・城南区)
    • Year and Date
      2016-09-10
    • Related Report
      2016 Annual Research Report
  • [Presentation] Rational design of bis-cyclometalated Ir(III) complexes toward effective photosensitizers2016

    • Author(s)
      Shin-ya Takizawa
    • Organizer
      錯体化学会第66回討論会
    • Place of Presentation
      福岡大学七隈キャンパス(福岡市・城南区)
    • Year and Date
      2016-09-10
    • Related Report
      2016 Annual Research Report
    • Invited
  • [Presentation] クマリン6を配位子とする新規イリジウム錯体の光化学的挙動と増感特性2016

    • Author(s)
      瀬端 凌,滝沢進也,村田 滋
    • Organizer
      光化学討論会
    • Place of Presentation
      東京大学駒場Ⅰキャンパス(東京都・目黒区)
    • Year and Date
      2016-09-06
    • Related Report
      2016 Annual Research Report
  • [Presentation] 2-(2-ピリジル)ベンゾ[b]チオフェンを主配位子としたイリジウム錯体における置換基導入による光物性への影響2016

    • Author(s)
      生田直也,曽 凡洋,滝沢進也,村田 滋
    • Organizer
      光化学討論会
    • Place of Presentation
      東京大学駒場Ⅰキャンパス(東京都・目黒区)
    • Year and Date
      2016-09-06
    • Related Report
      2016 Annual Research Report
  • [Presentation] イリジウム錯体を増感剤とするベシクル中における二酸化炭素光還元反応2016

    • Author(s)
      滝沢進也,生田直也,村田 滋
    • Organizer
      第40回有機電子移動化学討論会
    • Place of Presentation
      新潟大学五十嵐キャンパス(新潟市・西区)
    • Year and Date
      2016-06-23
    • Related Report
      2016 Annual Research Report
  • [Presentation] アニオン性コバルト錯体を触媒とした光水素発生反応のベシクル系への展開2016

    • Author(s)
      生田直也・滝沢進也・村田 滋
    • Organizer
      日本化学会 第96春季年会
    • Place of Presentation
      同志社大学京田辺キャンパス (京都府京田辺市多々羅都谷1-3)
    • Year and Date
      2016-03-24
    • Related Report
      2015 Research-status Report
  • [Presentation] アニオン性イリジウム錯体を増感剤とする光水素発生2016

    • Author(s)
      滝沢進也・加納涼斗・村田 滋
    • Organizer
      日本化学会 第96春季年会
    • Place of Presentation
      同志社大学京田辺キャンパス (京都府京田辺市多々羅都谷1-3)
    • Year and Date
      2016-03-24
    • Related Report
      2015 Research-status Report
  • [Presentation] Iridium complexes with Coumarin ligands: Effective sensitizers for visible-light-driven hydrogen generation2015

    • Author(s)
      Shin-ya Takizawa, Shigeru Murata
    • Organizer
      The International Chemical Congress of Pacific Basin Societies 2015 (Pacifichem 2015)
    • Place of Presentation
      ホノルル(ハワイ)
    • Year and Date
      2015-12-15
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] ベシクルを反応場とするイリジウム錯体を増感剤とした光誘起電子移動反応2015

    • Author(s)
      鴻丸翔平・滝沢進也・村田 滋
    • Organizer
      光化学討論会
    • Place of Presentation
      大阪市立大学杉本キャンパス(大阪市住吉区杉本3-3-138)
    • Year and Date
      2015-09-09
    • Related Report
      2015 Research-status Report
  • [Presentation] ベンゼンジチオラートを補助配位子とするアニオン性イリジウム錯体の光化学的挙動2015

    • Author(s)
      加納涼斗・滝沢進也・村田 滋
    • Organizer
      光化学討論会
    • Place of Presentation
      大阪市立大学杉本キャンパス(大阪市住吉区杉本3-3-138)
    • Year and Date
      2015-09-09
    • Related Report
      2015 Research-status Report
  • [Presentation] トリスシクロメタレート型イリジウム錯体を増感剤とするベシクル中における二酸化炭素光還元反応2015

    • Author(s)
      滝沢進也・生田直也・村田 滋
    • Organizer
      光化学討論会
    • Place of Presentation
      大阪市立大学杉本キャンパス(大阪市住吉区杉本3-3-138)
    • Year and Date
      2015-09-09
    • Related Report
      2015 Research-status Report
  • [Remarks] 村田研究室ホームページ

    • URL

      http://webpark1866.sakura.ne.jp/

    • Related Report
      2016 Annual Research Report

URL: 

Published: 2015-04-16   Modified: 2018-03-22  

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