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2009 Fiscal Year Self-evaluation Report

Efficient energy transfer in primary process of photosynthesis by controlling coherent vibrations of excited states

Research Project

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Project/Area Number 19340076
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics I
Research InstitutionTohoku University

Principal Investigator

YOSHIZAWA Masayuki  Tohoku University, 大学院・理学研究科, 准教授 (60183993)

Project Period (FY) 2007 – 2010
Keywords光物性
Research Abstract

(1)光合成系の光アンテナ色素蛋白複合体における超高速エネルギー伝達過程を、フェムト秒分光法により振動状態を含めて明らかにする。試料には自然由来のものだけでなく、カロテノイドを再会合した人工の色素蛋白複合体を系統的に用いる。
(2)パルス波形を制御した超短パルス励起光を用いて励起状態の振動準位を選択的に励起し、色素蛋白複合体における緩和過程およびエネルギー伝達過程への影響を明らかにする。

  • Research Products

    (12 results)

All 2010 2009 2008 Other

All Journal Article (5 results) (of which Peer Reviewed: 4 results) Presentation (5 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Ultrafast Relaxation Kinetics of the Dark S_1 State in All-trans-β-Carotene Explored by One- and Two-Photon Pump-Probe Spectroscopy2010

    • Author(s)
      D. Kosumi, K. Abe, H. Karasawa, M. Fujiwara, R. J. Cogdell, H. Hashimoto, M. Yoshizawa
    • Journal Title

      Chem.Phys. (印刷中)

    • Peer Reviewed
  • [Journal Article] Ultrafast Nonlinear Optical Responses Induced by Multiphoton Excitation in All-trans-β-Carotene : Nonresonant Excitation to the Optically Allowed S_2 State2009

    • Author(s)
      D. Kosumi, M. Fujiwara, H. Hashimoto, M. Yoshizawa
    • Journal Title

      J.Phys.Soc.Jpn. 78(10)

      Pages: 104715 (5)

    • Peer Reviewed
  • [Journal Article] The dependence of the ultrafast relaxation kinetics of the S_2 and S_1 states in β-carotene homologs and lycopene on conjugation length studied by femtosecond time-resolved absorption and Kerr-gate fluorescence spectroscopies2009

    • Author(s)
      D. Kosumi, M. Fujiwara, R. Fujii, R. J. Cogdell, H. Hashimoto, M. Yoshizawa
    • Journal Title

      J.Chem.Phys. 130(21)

      Pages: 214506-214513

    • Peer Reviewed
  • [Journal Article] Ultrafast dynamics of light-harvesting function of β-carotene in carbon nanotube2009

    • Author(s)
      M. Yoshizawa, K. Abe, D. Kosumi, K. Yanagi, Y. Miyata, H. Kataura
    • Journal Title

      Ultrafast Phenomena XVI, Springer Series in Chemical Physics 92

      Pages: 610-612

  • [Journal Article] Light-harvesting function of β-carotene inside carbon nanotubes explored by femtosecond absorption spectroscopy2008

    • Author(s)
      K. Abe, D. Kosumi, K. Yanagi, Y. Miyata, H. Kataura, M. Yoshizawa
    • Journal Title

      Phys.Rev.B 77(16)

      Pages: 165436 (6)

    • Peer Reviewed
  • [Presentation] マルチパルス光励起による励起状態の分子振動制御2010

    • Author(s)
      阿部健太, 中村亮介, 橋本秀樹, 吉澤雅幸
    • Organizer
      日本物理学会第65回年次大会
    • Place of Presentation
      岡山大学
    • Year and Date
      2010-03-22
  • [Presentation] 光合成初期反応のマルチパルス光励起による制御2009

    • Author(s)
      吉澤雅幸
    • Organizer
      ワークショップ「超高速過程における量子コヒーレンスの観測と制御」
    • Place of Presentation
      東北大学
    • Year and Date
      2009-12-03
  • [Presentation] Ultrafast excited energy transfer of β-carotene in single-walled carbon nanotubes2008

    • Author(s)
      M. Yoshizawa, K. Abe, D. Kosumi, K. Yanagi, M. Miyata, H. Kataura
    • Organizer
      The 15th International Conference on Carotenoids
    • Place of Presentation
      日, 沖縄
    • Year and Date
      2008-06-25
  • [Presentation] Excitation energy dependence of the S_1 relaxation kinetics of all-trans-β-carotene explored by the two-photon excitation2008

    • Author(s)
      D. Kosumi, K. Abe, H. Karasawa, M. Fujiwara H. Hashimoto, M. Yoshizawa
    • Organizer
      The 15th International Conference on Carotenoids
    • Place of Presentation
      日, 沖縄
    • Year and Date
      2008-06-25
  • [Presentation] Ultrafast dynamics of light-harvesting function of β-carotene in carbon nanotubes2008

    • Author(s)
      M. Yoshizawa, K. Abe, D. Kosumi, K. Yanagi, M. Miyata, H. Kataura
    • Organizer
      The 16th International Conference on Ultrafast Phenomena
    • Place of Presentation
      Stresa, Italy
    • Year and Date
      2008-06-11
  • [Book] カロテノイドの科学と最新応用技術2009

    • Author(s)
      杉崎満, 橋本秀樹, 吉澤雅幸
    • Total Pages
      78-89
    • Publisher
      シーエムシー社
  • [Remarks]

    • URL

      http://sspp.phys.tohoku.ac.jp/yoshizawa

URL: 

Published: 2011-06-18   Modified: 2016-04-21  

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