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Free Radicals in the Condensed Phase

Research Project

Project/Area Number 05237105
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Research InstitutionKyoto University

Principal Investigator

SHIDA Tadamasa  Kyoto Univ., Graduate School of Science, Prof., 大学院・理学研究科, 教授 (60025484)

Co-Investigator(Kenkyū-buntansha) NOSAKA Yoshio  Nagaoka Univ.of Tech., Dept.of Sci., Assoc.Prof., 工学部, 助教授 (30134969)
NAMIKI Akira  Toyohashi Univ.of Tech., Dept.of Electr.& Electronics, Assoc.Prof., 工学部, 助教授 (40126941)
SUZUKI Toshinori  Inst.for Mol.Sci., Assoc.Prof., 電子構造系, 助教授 (10192618)
SHIROMARU Haruo  Tokyo Metropolitan Univ., Faculty of Sci., Assoc.Prof., 理学部, 助教授 (70196632)
MOMOSE Takamasa  Kyoto Univ., Graduate School of Science, Assoc.Prof., 大学院・理学研究科, 助教授 (10200354)
Project Period (FY) 1993 – 1995
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥97,700,000 (Direct Cost: ¥97,700,000)
Fiscal Year 1995: ¥14,100,000 (Direct Cost: ¥14,100,000)
Fiscal Year 1994: ¥36,200,000 (Direct Cost: ¥36,200,000)
Fiscal Year 1993: ¥47,400,000 (Direct Cost: ¥47,400,000)
KeywordsCondensed System / Free Radicals / High-Resolution Spectroscopy / Photodissociation / State-Selective Reaction / Ion Cluster / Surface / 表面
Research Abstract

A difference-frequency infrared laser system was constructed for high-resolution spectroscopic study of free radicals in the condensed phase. The laser, which covered the spectral region of 900-10,000 cm^<-1>, was employed for high-resolution infrared spectroscopy of methane and its deuteriated isotopomers doped in solid parahydrogen. The degenerate bending and stretching modes were studied in detail. The study was extended to methyl, ethyl, and other radicals produced on UV photolysis of CH_3I,CD_3I,C_2H_5I,and other parent molecules. Furthermore, carbon clusters obtained by laser vaporization of graphite were trapped in solid parahydrogen to obtain spectroscopic information on C_3, C_5, C_9, and other clusters (Shida, Momose).
Predissociation of acetylene in the A state and the directional alignment of photofragments therefrom were studied by using a two-dimensional ion imaging apparatus. The experimental results were analyzed theoretically (Suzuki).
Dynamics of electron detachment from carbon cluster anions upon collision with surfaces was studied by using a home-built electron energy analyzer (Shiromaru)
Collision of chlorine molecules with CsOmodified silicon (100) surface was studied to obtain attachment probability and other information concernong to the surface potential (Namiki).
Redox processes on the surface of micro particles of semiconducting materials were studied to clarify the relation between the particle size and the redox potential (Nosaka).

Report

(4 results)
  • 1996 Final Research Report Summary
  • 1995 Annual Research Report
  • 1994 Annual Research Report
  • 1993 Annual Research Report
  • Research Products

    (32 results)

All Other

All Publications (32 results)

  • [Publications] M.Miki: "Infrared Spectroscopic Studies of Carbon Clusters…" J.Phys.Chem.100(30). 12135-12137 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T. Momose: "Tunable Narrow Linewidth CW Mid-Infrared Light…" J.Opt.Soc.Am. B13(8). 1706-1712 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Momose: "High Resolution Laser Spectroscopy of Solid Para hydrogen" Czech.J.Phys.46suppl.S1. 529-530 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Abe: "Laser Fpectroscopy of the CCO Radical in 0.77μm Region" J.Mol.Spectrosc.180(2). 277-286 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] N.Sogashi: "Infrared Spectroscopic Studies on Photolysis of Elkyl Iodidc" J.Phys.Chem.101A(4). 522-527 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Wakabayashi: "Preferential Formation of C^-_<10> upon Tandem Irradiation of Graphite" J.Chem Phys.(in press).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] M.Miki et al.: "Infrared Spectroscopic Studies of Carbon Clusters・・・" Journal of Physical Chemistry. 100 (30). 12135-12137 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Momose et al.: "Tunable Narrow Linewidth CW Mid-Infrared Light・・・" Journal of Optical Society of America. B13 (8). 1706-1712 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Momose et al.: "High Resolution Laser Spectroscopy of Solid Parahydrogen" Journal of Molecular Spectroscopy. 180 (2). 277-286 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] H.Abe et al.: "Laser Spectroscopy of the CCO Radical in 0.77 mum Region" Journal of Molecular Spectroscopy. 180 (2). 277-286 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] N.Sogoshi et al.: "Infrared Spectroscopic Studies on Photolysis of Ethyl Iodide・・・" Journal of Physical Chemistry. 101A (4). 522-527 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Wakabayashi et al.: "Preferential Formation of C_<10>^- upon Tandem Irradiation of Graphite・・・" Journal of Chemical Physics. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] T.Momose: "Infrared spectroscopic studies on photolysis of methyl iodide and its clusters in solid parahydrogen" J.Chem.Phys.103(4). 1400-1405 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] T.Momose: "Tunable narrow linewidth cw mid-infrared light generation by difference frequency mixing" J.Opt.Soc.Am.,B. (in press).

    • Related Report
      1995 Annual Research Report
  • [Publications] N.Hashimoto: "Energy and state dependence in the quenching and predissociation of C_2H_2" J.Chem.Phys.(in press).

    • Related Report
      1995 Annual Research Report
  • [Publications] M.Ohara: "Resonance-enhanced multiphoton electron detachment spectrum of C_5" J.Chem.Phys.103(23). 10393-10394 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] H.Namiki: "Direct inelastic scattering of chlorine molecules from cesiated Si(100)" J.Chem.Phys.102(24). 9689-9693 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Y.Nakaoka: "Electron spin resonance study of radicals produced on irradiated CdS powder" J.Phys.Chem.99(24). 9893-9897 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] K.E.Kerr: "Condon modulation spectroscopy of solid hydrogen and measurement of the temperature dependence of the Q_1(0)transition" Phys.Rev.Lett.72. 3957-3960 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Momose: "Charge induced H_2 spectrum of γ-ray irradiated para H_2 crystals" J.Chem.Phys.100. 7840-7843 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] D.P.Weliky: "Hygh-resolution laser spectroscopy of the Qv(0) transition in solid parahydrogen" Appl.Phys.B59. 265-281 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Suzuki: "Photodissociation of trans-dichloroethylene:state-resalved speed and angular distributions fo C1 atoms" J.Phys.Chem.98. 13447-13451 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Kawada: "Application of a single accelerating TOF method to collision experiments of cluster ions with solid surfaces" Surf.Rev.Lett.(in press).

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Nosaka: "Effect of the amount of reactant on the photon-fluence" Langmuir. (in press).

    • Related Report
      1994 Annual Research Report
  • [Publications] J.Takahashi: "Vibronic Analysis of the ^〜400nm Band of the Phenoxy Radical" Bull.Chem.Soc.Japan. (in press).

    • Related Report
      1993 Annual Research Report
  • [Publications] T.Moriwaki: "Dynamics of Cluster-Surface Interaction:Evidence of Structural Isomers of C_<60>" Z.Phys.D26. 320-322 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] V.P.Hradil: "An Investigation of the 355nm Photodissociation of NO_2 by State-Resolved Photofragment Imaging" J.Chem.Phys.99. 4455-4463 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] J.Higase: "A Molecular Beam Study of Alkali Promotion of O_2 Sticking on Ge(100) and Si(100)" Surface Sci.297. L55-L66 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] F.G.Geuzebroek: "Supersonic Molecular Beam Scattering of Cl_2 from Clean and Alkali-covered Si(100)2x1" Surface Sci.297. 141-150 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] Y.Nosaka: "Size Control of Ultrasmall CdS Particles in Aqueous Solution by Using Various Thiols" J.Colloid,Interface Sci.155. 23-29 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] T.Shida: "New Functionality Materials" Elsevier Science Publishers,Amsterdam, 4 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] T.Shida: "Dynamics of Excited Molecules" Elsevier Science Publishers,Amsterdam, 43 (1994)

    • Related Report
      1993 Annual Research Report

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Published: 1993-04-01   Modified: 2016-04-21  

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