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Preparation of an electron releasing nanocapsule

Research Project

Project/Area Number 19750120
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Functional materials chemistry
Research InstitutionKeio University

Principal Investigator

IMAOKA Takane  Keio University, 理工学部, 助教 (80398635)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,790,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥390,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥2,100,000 (Direct Cost: ¥2,100,000)
Keywords分子素子 / デンドリマー / ポルフィリン / フェニルアゾメチン / 電子移動 / 光化学 / 金属集積 / 錯形成 / 触媒
Research Abstract

樹木型骨格に発現した電子的勾配を介した、電子の移動のベクトル制御の可能性を示唆し、これが光エネルギー変換の鍵反応である「電荷分離状態」形成に効果的であることを確認した。単一分子にD-Aを共有結合で連結した分子について、その合成と電子移動速度の算出を行い、非対称な電子移動減衰を示し、勾配に沿って電子がデンドリマー内部から外側へ移動しやすく、逆方向への移動が抑えられていることが明らかとなった。また、DIA混合系における分子間電子移動を行うと、同様に常温常圧・均一系において非対称な電子移動が発現し、量子収率の損失なく10ms以上存在できる極めて安定なラジカルイオンペアの生成に成功している。固体中での光励起に伴うキャリア発生を伴った光導電性の発現においても、樹木型骨格が効率向上に大きく寄与していることを突き止めている。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (42 results)

All 2009 2008 2007

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (34 results) Book (2 results) Patent(Industrial Property Rights) (1 results)

  • [Journal Article] Size-specific catalyti cactivity of platinum clusters enhances oxygen reductionreactions2009

    • Author(s)
      K. Yamamoto, T. ImaokaW.-J. Chun, 0. Enoki, H. Katoh, M. Takenaga, A. Sonoi
    • Journal Title

      Natire Chem (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nanocage catalysts-rhodium nano-clusters encapsulated with dendrimers as accessible and stable catalysts for olefin and nitroarene hydrogenations2008

    • Author(s)
      I. Nakamula, Y. Yamanoi, T. Ybnezawa, I.Nakamila, Y. Yamamoto, H. Nishihara Chem
    • Journal Title

      Commun

      Pages: 5716-5718

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nanocage catalysts-rhodium nanoclusters encapsulated with dendrimers as accessible and stable catalysts for olefin and nitroarene hydrogenations2008

    • Author(s)
      I. Nakamula, Y. Yamanoi, T. Yonezawa, T. Imaoka, K. Yamamoto, H. Nishihara
    • Journal Title

      Chemical Communication (Royal Society of Chemistry) 2008

      Pages: 5716-5718

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Additive-free synthesis of poly(phenyleneoxide) : Aerobic oxidative polymerization in a base-condensed dendrimer capsule2007

    • Author(s)
      K. Yamamoto, Y. Kawana, M. Tsjui, M. Hayashi, T. Imaoka
    • Journal Title

      J. Am. Chem. Soc. 129

      Pages: 9256-9257

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Additive-Free Synthesis of Poly(phenylene oxide):Aerobic Oxidative Polymerization in a Base-Condensed Dendrimer Capsule2007

    • Author(s)
      K.Yamamoto, Y.Kawana, M.Tsuji. M.Hayashi, T.Imaoka
    • Journal Title

      Journal of the American Chemical Society (J. Am. Chem. Soc.) 129・30

      Pages: 9256-9257

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 剛直樹状高分子フェニルアゾメチンデンドリマーを用いた電荷分離反応2009

    • Author(s)
      井上尚紀, 今岡享稔, 山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 色素包摂デンドリマーの光誘起電子移動と光増感素子2009

    • Author(s)
      今岡享稔
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 量子サイズ白金微粒子の精密合成と酸素還元特異機能2009

    • Author(s)
      竹永正裕, 今岡享稔, 山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 剛直樹状高分子フェニルアゾメチンデンドリマーからなる組織化挙動の解明2009

    • Author(s)
      武家尾典子・今岡享稔・山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 高活性な酸素還元触媒能をもつデンドリマー内包白金サブナノ粒子2009

    • Author(s)
      園井厚憲, 竹永正裕, 今岡享稔, 葛目陽義, 伊藤正時, 山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] フェニルアゾメチンデンドリマーによる分子形状認識2009

    • Author(s)
      坂入聖志, 川名佑紀, 今岡享稔, 山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] ドナー・アクセプター連結型Ruデンドリマーの合成と電荷分離2009

    • Author(s)
      小林広紀, 今岡享稔, 山元公寿
    • Organizer
      日本化学会第89春季年会
    • Place of Presentation
      日本大学船橋キャンパス
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 光電効果を促進する樹木型骨格と電荷分離反応2008

    • Author(s)
      今岡享稔, 井上尚紀, 山元公寿
    • Organizer
      第57回高分子討論会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2008-09-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] 光電効果を促進する樹木型構造と電荷分離反応2008

    • Author(s)
      今岡享稔
    • Organizer
      第57回高分子討論会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2008-09-24
    • Related Report
      2008 Final Research Report
  • [Presentation] デンドリマ-内非極性空間を利用した長寿命電荷分離2008

    • Author(s)
      井上尚紀, 今岡享稔, 山元公寿
    • Organizer
      第57回高分子討論会
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2008-09-24
    • Related Report
      2008 Annual Research Report
  • [Presentation] 精密サブナノ白金触媒の合成と酸素還元機能2008

    • Author(s)
      竹永正裕, 今岡享稔, 山元公寿
    • Organizer
      第58回錯体化学討論会
    • Place of Presentation
      金沢大学
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Photoinduced Electron Transfer Reaction of Rigid and Hetero-Atom Containing Dendrimers2008

    • Author(s)
      T.Imaoka
    • Organizer
      Yamada Conference 2008
    • Place of Presentation
      Awaji, Japan
    • Year and Date
      2008-09-03
    • Related Report
      2008 Final Research Report
  • [Presentation] Photoinduced Electron Transfer Reaction of Rigid and Hetero-Atom Containing Dendrimers2008

    • Author(s)
      Takane Imaoka, Kimihisa Yamamoto
    • Organizer
      Yamada Conference 2008
    • Place of Presentation
      淡路国際会議場
    • Year and Date
      2008-09-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] デンドリマー型ホスト分子の結合ポケットによる分子形状認識能の発現2008

    • Author(s)
      今岡享稔
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-30
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] サブナノ白金触媒の精密合成と酸素還元機能2008

    • Author(s)
      竹永正裕, 加藤英明, 今岡享稔, 山元公寿
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 剛直樹状高分子による精密分子形状認識-ナノ空間を利用した分子形状認識2008

    • Author(s)
      坂入聖志, 川名佑紀, 今岡享稔, 山元公寿
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] フェニルアゾメチンデンドリマー内包白金ナノ粒子の合成と性質2008

    • Author(s)
      園井厚憲, 竹永正裕, 今岡享稔, 葛目陽義, 伊藤正時, 山元公寿
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 剛直樹状高分子フェニルアゾメチンデンドリマーからなる集合体のナノ〜メソ構造2008

    • Author(s)
      武家尾典子, 今岡享稔, 山元公寿
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] フェニルアゾメチンデンドリマーの内部空間を利用した超長寿命電荷分離2008

    • Author(s)
      井上尚紀, 今岡享稔, 山元公寿
    • Organizer
      第57回高分子学会年次大会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2008-05-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] 剛直樹状高分子の微小反応場における長寿命電荷分離2008

    • Author(s)
      今岡享稔
    • Organizer
      電気化学第75回大会
    • Place of Presentation
      山梨大学
    • Year and Date
      2008-03-30
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] A rigid π-Conjugating Dendrimer as Highly Sensitive Photoelectric Materials2008

    • Author(s)
      T. Imaoka
    • Organizer
      Asia International Symposium in CSJ 88th Annual Meeting
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2008-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] A rigid Π-Conjugating Dendrimer as Highly Sensitive Photoelectric Materials2008

    • Author(s)
      今岡 享稔
    • Organizer
      日本化学会第88春季年会(アジア国際シンポジウム)
    • Place of Presentation
      立教大学池袋キャンパス
    • Year and Date
      2008-03-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] 集積型銅錯体を触媒とした塩基の添加を必要としないフェノールの酸素酸化重合2008

    • Author(s)
      今岡享稔
    • Organizer
      日本化学会第88春季年会
    • Place of Presentation
      立教大学
    • Year and Date
      2008-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 集積型鋼錯体を触媒とした塩基の添加を必要としないフェノールの酸素酸化重合2008

    • Author(s)
      今岡 享稔
    • Organizer
      日本化学会第88春季年会
    • Place of Presentation
      立教大学池袋キャンパス
    • Year and Date
      2008-03-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] A Shape-persistent Macromolecular Host for Fine Control of Metal-assembling2007

    • Author(s)
      T. Imaoka
    • Organizer
      PPC-10
    • Place of Presentation
      Kobe, Japan
    • Year and Date
      2007-12-06
    • Related Report
      2008 Final Research Report
  • [Presentation] A Shape-persistent Macromolecular Host for Fine Control of Metal-assembling2007

    • Author(s)
      Takane Imaoka
    • Organizer
      PPC-10
    • Place of Presentation
      Kobe (Japan)
    • Year and Date
      2007-12-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] 剛直樹状高分子からなる超薄膜の光導電特性2007

    • Author(s)
      今岡 享稔
    • Organizer
      第56会高分子討論会
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2007-09-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] 剛直樹状高分子からなる超薄膜の光導電特性2007

    • Author(s)
      今岡享稔
    • Organizer
      第56回高分子討論会
    • Place of Presentation
      名古屋工業大学
    • Year and Date
      2007-08-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Efficient Production of Highly Stable Radicai-Ion-Pair separated with a Rigid π-Conjugating Dendrimer Shell2007

    • Author(s)
      T. Imaoka
    • Organizer
      MMC-12
    • Place of Presentation
      Fukuoka, Japan
    • Year and Date
      2007-08-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Efficient Production of Highly Stable Radicai-Ion-Pair separated with a Rigid Π-Conjugating Dendrimer Shell2007

    • Author(s)
      Takane Imaoka
    • Organizer
      MMC-12
    • Place of Presentation
      Fukuoka (Japan)
    • Year and Date
      2007-08-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] Efficient Production of Highly Stable Radical-Ion-Pair with a Rigid π-Conjugating Dendrimer Shell2007

    • Author(s)
      T. Imaoka
    • Organizer
      BMC-IX2007
    • Place of Presentation
      Xilinhot, China
    • Year and Date
      2007-07-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Efficient Production of Highly Stable Radical-Ion-Pair with a Rigid Π- Conjugating Dendrimer Shell2007

    • Author(s)
      Takane Imaoka
    • Organizer
      BMC IX-2007
    • Place of Presentation
      Xilinhot (China)
    • Year and Date
      2007-07-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] π共役デンドリマーの内部電子勾配を活用した光電材料2007

    • Author(s)
      今岡享稔
    • Organizer
      第56回高分子年次大会
    • Place of Presentation
      京都国際会食館
    • Year and Date
      2007-05-31
    • Related Report
      2008 Final Research Report
  • [Presentation] Π共役デンドリマーの内部電子勾配を活用した光電材料2007

    • Author(s)
      今岡 享稔
    • Organizer
      第56回高分子学会年次大会
    • Place of Presentation
      京都国際会館
    • Year and Date
      2007-05-31
    • Related Report
      2007 Annual Research Report
  • [Book] Fine-decoration of Metal Ions in Dendritic Molecules for Advanced Metal-Organic Hybrid Materials in BOTTOM-UP NANOFABRICATION eds. By K. Ariga, H. S. Nalwa2009

    • Author(s)
      T.Imaoka, K. Yamamoto
    • Publisher
      American Scientific Publisher
    • Related Report
      2008 Final Research Report
  • [Book] Fine-decoration of Metal Ions in Dendritic Molecules for Advanced Metal-Organic Hybrid Materials in BOTTOM-UP NANOFABRICATION2007

    • Author(s)
      T.Imaoka and K.Yamamoto
    • Total Pages
      41
    • Publisher
      American Scientific Publisher
    • Related Report
      2007 Annual Research Report
  • [Patent(Industrial Property Rights)] フェニルアゾメチンデンドリマー金属錯体と白金-異種金属複合ナノ粒子微粒子ならびに燃料電池触媒2008

    • Inventor(s)
      山元公寿、今岡享稔、加藤英明、竹永正裕
    • Industrial Property Rights Holder
      山元公寿、今岡享稔、加藤英明、竹永正裕
    • Industrial Property Number
      2008-152311
    • Filing Date
      2008-06-10
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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