• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Nonadiabatic effects in photodetachment dynamics of negative ions studied by photoelectron spectroscopy with a variable light source

Research Project

Project/Area Number 19550003
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Physical chemistry
Research InstitutionTohoku University

Principal Investigator

MAEYAMA Toshihiko  Tohoku University, 大学院・理学研究科, 助教 (20250673)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2007: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords負イオン / 光電子分光 / 光電子脱離 / 非断熱遷移 / 振電相互作用 / 励起状態
Research Abstract

自動電子脱離過程を起こす負イオン励起状態を高感度に検出する目的で, 波長可変光源を用いた電子脱離効率スペクトルの測定手法を開発した。また, 脱離電子の運動エネルギー分析をするために磁気ボトル型光電子分光器を製作した。これらの手法をミクロ溶媒和芳香族ケチルアニオン系に適用し, 光電子脱離効率スペクトルと光電子スペクトルのデータを統合的に解析することによって, 余剰電子の空間分布が溶媒和エネルギーに与える影響を検討した。

Report

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

    (21 results)

All 2008 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (15 results) Remarks (2 results)

  • [Journal Article] Photoelectron spectroscopy of microsolvated benzophenone radical anions to reveal the origin of solvatochromic shifts in alcoholic media2008

    • Author(s)
      T. Maeyama, I. Yagi, A. Fujii, and N. Mikami
    • Journal Title

      Chem. Phys. Lett 457

      Pages: 18-22

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Photoelectron spectroscopy of microsolvated benzophenone radical anions to reveal the origin of solvatochromic shifts in alcoholic media2008

    • Author(s)
      T. Maeyama, 他
    • Journal Title

      Chem. Phys. Letters 457

      Pages: 18-22

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stepwise solvatochromism of ketyl anions in the gas phase : Photodetachment excitation spectroscopy of benzophenone and acetophenone radical anions microsolvated with methanol2007

    • Author(s)
      I. Yagi, T. Maeyama, A. Fujii, and N. Mikami
    • Journal Title

      J. Phys. Chem. A 111

      Pages: 7646-7652

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stepwise solvatochromism of ketyl anions in the gas phase: Photodetachment excitation spectroscopy of benzophenone and acetophenone radicalanions microsolvated with methanol2007

    • Author(s)
      Izumi Yagi, et. al.
    • Journal Title

      J. Phys. Chem. A 111

      Pages: 7646-7652

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] ミクロ溶媒和負イオンの光電子脱離分光から見た"溶媒極性"の物理的背景(2)2008

    • Author(s)
      吉田啓二, 前山俊彦, 八木泉, 藤井朱鳥, 三上直彦
    • Organizer
      分子科学討論会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] ミクロ溶媒和負イオンの光電子脱離分光から見た"溶媒極性"の物理的背景(1)2008

    • Author(s)
      前山俊彦, 吉田啓二, 八木泉, 藤井朱鳥, 三上直彦
    • Organizer
      分子科学討論会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] ミクロ溶媒和負イオンの光電子脱離分光から見た"溶媒極性"の物理的背景(1)2008

    • Author(s)
      前山俊彦, 他
    • Organizer
      分子科学会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] ミクロ溶媒和負イオンの光電子脱離分光から見た"溶媒極性"の物理的背景(2)2008

    • Author(s)
      吉田啓二, 他
    • Organizer
      分子科学会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] Interpreting the physical background of 'solvent polarity scale' via photodetachment spectroscopy of microsolvated aromatic ketyl anions2008

    • Author(s)
      T. Maeyama
    • Organizer
      Gordon Research Conference on Molecular & Ionic Clusters
    • Place of Presentation
      Aussois, France
    • Year and Date
      2008-09-07
    • Related Report
      2008 Final Research Report
  • [Presentation] Interpreting the physical background of 'solvent polarity scale' via photodetachment spectroscopy of microsolvated aromatic ketyl anions2008

    • Author(s)
      T. Maeyama
    • Organizer
      Gordon Research Conference on Molecular & Ionic Clusters
    • Place of Presentation
      Aussoisフランス
    • Year and Date
      2008-09-07
    • Related Report
      2008 Annual Research Report
  • [Presentation] 気相クラスターアニオンの光電子脱離分光で探る芳香族ケチルアニオンの溶媒和発色機構2008

    • Author(s)
      前山俊彦, 八木泉, 西山圭, 藤井朱鳥, 三上直彦
    • Organizer
      化学反応討論会
    • Place of Presentation
      札幌
    • Year and Date
      2008-06-03
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Photodetachment spectroscopic study on solvatochromic shifts of ketyl anions in the gas phase2008

    • Author(s)
      T. Maeyama et. al.
    • Organizer
      Gordon Research Conference on Photoions, Photoionization & Photodetachment
    • Place of Presentation
      Lucca (Barga), Italy
    • Year and Date
      2008-01-27
    • Related Report
      2007 Annual Research Report
  • [Presentation] Photodetachment spectroscopic study on solvatochromic shifts of ketyl anions in the gas phase2008

    • Author(s)
      T. Maeyama
    • Organizer
      Gordon Research Conference on Photoions, Photoionization & Photodetachment
    • Place of Presentation
      Lucca(Barga), Italy
    • Year and Date
      2008-01-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 余剰電子を緩く束縛する分子負イオン系の光電子脱離分光2007

    • Author(s)
      前山俊彦
    • Organizer
      特定領域研究「高次系分子科学」合同班会議
    • Place of Presentation
      唐津
    • Year and Date
      2007-11-29
    • Related Report
      2008 Final Research Report
  • [Presentation] 気相における芳香族ケチルアニオンの段階的溶媒和発色2007

    • Author(s)
      八木泉, 前山俊彦, 藤井朱鳥, 三上直彦
    • Organizer
      化学系学協会東北大会
    • Place of Presentation
      山形
    • Year and Date
      2007-09-22
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] ペプチド模倣分子集合系における余剰電子束縛 : N-メチルアセトアミドクラスター負イオンの光電子分光2007

    • Author(s)
      前山俊彦, 藤井朱鳥, 三上直彦
    • Organizer
      分子科学討論会
    • Place of Presentation
      仙台
    • Year and Date
      2007-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 芳香族ケチルアニオンの溶媒和発色機構に対する気相光電子脱離分光による検証2007

    • Author(s)
      八木泉, 前山俊彦, 藤井朱鳥, 三上直彦
    • Organizer
      分子科学討論会
    • Place of Presentation
      仙台
    • Year and Date
      2007-09-19
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] ペプチド模倣分子集合系における余剰電子束縛:N-メチルアセトアミドクラスター負イオンの光電子分光2007

    • Author(s)
      前山 俊彦
    • Organizer
      分子科学討論会
    • Place of Presentation
      仙台
    • Year and Date
      2007-09-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] Stepwise Solvatochromism of Ketyl Anions in the Gas Phase as Studied by Photodetachment Excitation Spectroscopy2007

    • Author(s)
      T. Maeyama
    • Organizer
      International Symposium on Molecular Science of Ultrafast Electronic Dynamics
    • Place of Presentation
      仙台
    • Year and Date
      2007-05-18
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Remarks]

    • URL

      http://www.mikamilab.chem.tohoku.ac.jp/

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.mikamilab.chem.tohoku.ac.jp/

    • Related Report
      2008 Annual Research Report

URL: 

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

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi