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

Fabrication of functional materials into mesoscopic structures using quantum beams and application of those structures to optical devices with ultra-fast response

Research Project

Project/Area Number 09480096
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field エネルギー学一般・原子力学
Research InstitutionThe University of Tokyo

Principal Investigator

ISHIGURE Kenkichi  Graduate School, Faculty of Engineering, The University of Tokyo Professor, 大学院・工学系研究科, 教授 (90010975)

Co-Investigator(Kenkyū-buntansha) EMA Kazuhiro  Faculty of Science & Engineering, Sophia University, Associate Professor, 理工学部, 助教授 (40194021)
ASAI Keisuke  Graduate School, Faculty of Engineering, The University of Tokyo Associate Professor, 大学院・工学系研究科, 助教授 (60231859)
Project Period (FY) 1997 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥13,300,000 (Direct Cost: ¥13,300,000)
Fiscal Year 1999: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1998: ¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 1997: ¥8,900,000 (Direct Cost: ¥8,900,000)
Keywordslow-dimensional materials / organic-inorganic hybrids / quantum wells / exciton / nonlinear optics / four-wave mixing / Langmuir-Blodgett films / fine particles / 半導体超微粒子 / イオンビーム / メゾスコピック系 / ナソ材料 / 非線形光学特性 / ヨウ化鉛 / 縮退四光波混合 / X^<(3)> / 縦緩和時間 / 横緩和時間 / CdS / RBS / 非線形感受率
Research Abstract

* "RBS analysis of Langmuir-Blodgett films bearing quantum-sized CdS particles"
Rutherford backscattering spectrometry is applied to an analysis of the structure of Langmuir-Blodgett (LB) films bearing quantum-sized cadmium sulfide particles (Q-CdS). Cadmium arachidate LB films before and after exposure to hydrogen sulfide are analyzed using a beam of 2 MeV ィイD14ィエD1HeィイD12+ィエD1. The change in the Cd-edge is ascribed to the Cd migration toward the substrate, which suggests that a well-ordered layer structure of the original film is disordered during Q-CdS formation. This finding indicates that the Q-CdS produced in hydrophilic interlayers cannot be two-dimensional platelets but are spherical particles.
* "Changes in the surface electronic states of quantum-sized semiconductor particles induced by high energy proton irradiation"
We performed steady-state and time-resolved measurements of the ion-induced emissions and photoluminescence (PL) measurement on quantum-sized semiconductor particl … More es prepared in Langmuir-Blodgett films. The proton irradiation caused a decrease in intensity of the emission via trapping sites, removing almost all the traps in the band gap. The low energy emissions, which showed a multiexponential decay, are considered to originate from a recombination of donor-acceptor pairs localizing in the surface region. Furthermore, PL spectra obtained after the irradiation changed drastically in the course of photo-oxidation of the particles.
* "DFWM study of thin films containing surface-modified CdS nanoparticles"
Degenerate four-wave mixing (DFWM) was used as a technique to estimate the third-order optical susceptibility, χィイD1(3)ィエD1(-ω ; ω, -ω, ω), of thin films prepared from cadmium sulfide (CdS) colloidal solutions. The formation of CdS films on a substrate, without any change in the particle size, enhanced the quantum yield of an excitonic band by removing a large number of surface traps. This film showed a large χィイD1(3)ィエD1 value near 〜 10ィイD1-7ィエD1 esu around the exciton resonance at room temperature. This was possibly brought about by an effective surface passivation as well as a high CdS microcrystallite concentration.
* "Resonant third-order optical nonlinearity in the layered perovskite-type material (CィイD26ィエD2HィイD213ィエD2NHィイD23ィエD2)ィイD22ィエD2PbIィイD24ィエD2"
The third-order nonlinear optical susceptibility, χィイD1(3)ィエD1(-ω ; ω, -ω, ω), of the layered perovskite-type material (CィイD26ィエD2HィイD213ィエD2NHィイD23ィエD2)ィイD22ィエD2PbIィイD24ィエD2 is measured by a transient four-wave mixing (FWM) technique using a 200-fs-pulse laser source. The maximum |χィイD1(3)ィエD1| value is 1.6 × 10ィイD1-6ィエD1 esu at the lowest-exciton resonance at 8 K. Longitudinal and transverse relaxation times of the excitons are 7 ps and 0.2 ps ; respectively. For excitation below the exciton resonance, biexciton contribution to the FWM signals was observed. The dephasing energy of the biexcitons was estimated to be larger than 10 meV. Less

Report

(4 results)
  • 1999 Annual Research Report   Final Research Report Summary
  • 1998 Annual Research Report
  • 1997 Annual Research Report
  • Research Products

    (42 results)

All Other

All Publications (42 results)

  • [Publications] T.Yamaki,K.Asai, & KIshigure: "RBS Analysis of Langmuir-Blodgett Films Bearing Q-sized CdS Particles"Chem. Phys. Lett.. 273. 376-380 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T.Yamaki,K.Asai, & K.Ishigure: "Changes in the Surface Electronic States of Semiconductor Fine Particles Induced by High Energy Ion Irradiation"Padiat. Phys. Chem.. 50. 199-205 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] J.Ishi,M.Mizuno,H.Kunugita,K.Ema et al.: "Thirol-order Optical Nonlinearity due to Excitons and Biexcitons in a Self-organized Quantum-well Material (C_6H_<13>NH_3)_2 PbI_4"J. Nonlinear Opt. Phys. Mater.. 7. 153-159 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T.Yamaki,K.Asai,K.Ishigure,K.Sano, & K.Ema: "DFWM Study of Thin Films Containing Surface-modified CdS Nanoparticles"Synthetic Metals. 103. 2690-2691 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] J.Ishi,H.Kunugita,K.Ema,K.Tanaka,T.Kondo, & R.Ito: "Third-order Optical Nonlinearity in a Self-organized Quantum-well Material (C_6H_<13>NH_3)_2 (CH_3NH_3) Pb_2I_7"Nonlinear Optics. 22. 365-368 (1999)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Y.Tabuchi,K.Asai,M.Rikukawa,K.Sanui, & K.Ishigure: "Preparation and Characterization of Natural Lower Dimensional Layered Perovskite-type Compounds"Journal of Physics and Chemistry of Solids. 61. 837-845 (2000)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, K. Asai, & K. Ishigure: "RBS Analysis of Langmuir-Blodgett Films Bearing Q-sized CdS Particles"Chem. Phys. Lett.. 273. 376-380 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, Y. Nakashiba, K. Asai, K. Ishigure, S. Seki, S. Tagawa, & H. Shibata: "Exciplex Emission from Amphiphilic Polysilane Bearing Ammonium Moieties"J. Nucl. Mater.. 248. 369-373 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, K. Asai, & K. Ishigure: "Changes in the Surface Electronic States of Semiconductor Fine Particles Induced by High Energy Ion Irradiation"Radiat. Phys. Chem.. 50. 199-205 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, T. Yamada, K. Asai, K. Ishigure, & H. Shibata: "Ion irradiation effect on diluted magnetic semiconductor fine particles incorporated into Langmuir--Blodgett films"Thin Solid Films. 327-329. 581-585 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, T. Yamada, K. Asai, & K. Ishigure: "Diluted magnetic semiconductor nanoparticles fabricated by the Langmuir-Blodgett technique"Thin Solid Films. 327-329. 586-590 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, Y. Nakashiba, K. Asai, K. Ishigure, S. Seki, S. Tagawa, & H. Shibata: "Intramolecular Exciplex Formation in Ammonium-type Amphiphilic Polysilanes"Polymer Preprints. 39(2). 767-768 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. Kishino, Y. Ueno, K. Ochiai, M. Rikukawa, K. Sanui, T. Kobayashi, H. Kunugita, & K. Ema: "Estimation of the effective conjugation length of polythiophene from its |χィイD1(3)ィエD1(-ω ; ω, -ω, ω)| spectrum at excitonic resonance"Phys. Rev. B. 58(20). R13430-13433 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] J. Ishi, M. Mizuno, H. Kunugita, K. Ema, S. Iwamoto, S. Hayase, T. Kondo & R. Ito: "Third-order optical nonlinearity due to excitons and biexcitons in a self-organized quantum-well material (CィイD26ィエD2HィイD213ィエD2NHィイD23ィエD2)ィイD22ィエD2PbIィイD24ィエD2"J. Nonlinear Opt. Phys. Mater.. 7(1). 153-159 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, K. Asai, K. Ishigure, K. Sano, & K. Ema: "DFWM Study of Thin Films Containing Surface-modified CdS Nanoparticles"Synthetic Metals. 103. 2690-2691 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Y. Tabuchi, K. Asai, M. Rikukawa, K. Sanui, & K. Ishigure: "Preparation and Structural Analysis of some Natural Lower Dimensional Layered Perovskite-type Compounds"Journal of the Graduate School and Faculty of Engineering, the University of Tokyo. XLVI. 15-27 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Yamaki, K. Asai, K. Ishigure, K. Ema & H. Yaguchi: "Quantum Size Effect of Lead Iodide Nanoparticles Formed by a Langmuir-Blodgett Technique"Molecular Crystals and Liquid Crystals. 337. 225-228 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. Kishino, T. Kobayashi, H. Kunugita, & K. Ema, K. Ochiai, M. Rikukawa, and K. Sanui: "Spectra of |χィイD1(3)ィエD1(-ω ; ω, -ω, ω)| at excitonic resonance in poly(3-[2-((S)-2-methylbutoxy)ethyl]thiophene)"Nonlinear Optics. 22. 361-364 (1999)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Y. Tabuchi, K. Asai, M. Rikukawa, K. Sanui, & K. Ishigure: "Preparation and characterization of Natural Lower Dimensional Layered Perovskite-type Compounds"Journal of Physics and Chemistry of Solids. 61. 837-845 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] M. Koshimizu, K. Asai, K. Ishigure, T. Iwai, H. Shibata, & Y. Ito: "Chracterization of the surface layer of LB-films using a slow positron beam"Radiat. Phys. Chem.. 58. 633-637 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] M. Sakai, K. Sano, H. Kunugita & K. Ema: "Soliton-like Propagation in Biexciton Two-Photon Resonant Region"J. Nonlinear Opt. Phys. Mater.. 9. 63-68 (2000)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] Y. Tabuchi, K. Asai, M. Rikukawa, K. Sanui, & K. Ishigure: "Structural and Optical Properties of some Natural Three- and Lower Dimensional layered Perovskite-type Compounds"Nonlinear Optics. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Tabuchi, K. Asai, M. Rikukawa, K. Sanui, & K. Ishigure: "Organic / inorganic quantum confinement structures based on lead halide perovskites"Nonlinear Optics. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] T. Kobayashi, J. Hamazaki, M. Arakawa, H. Kunugita, K. Ema, K. Ochiai, M. Rikukawa, & K. Sanui: "Self-trapped exciton dynamics in highly ordered and disordered films of polythiophene derivative"Phys. Rev. B. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1999 Final Research Report Summary
  • [Publications] S. Seki, Y. Yoshida, S. Tagawa, & K. Asai: "Electronic Structure of Radical Anions and Cations of Polysilanes with Structural Defects"Macromolecules. 32. 1080-1086 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T. Yamaki, H. Fujii, K. Asai, K. Ishigure, & K. Ema: "DFWM Study of Thin Films Containing Surface-modified CdS Nanoparticles"Synthetic Metals. 103. 2690-2691 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Y. Tabuchi, K. Asai, K. Ishigure, M. Rikukawa, & K. Sanui: "Self-Oraganization and Opto-Electrical Priperties of Poly(3-Alkylthiophene) Langmuir-Blodgett Films"Molecular Crystals and Liquid Crystals. 327. 131-134 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] S. Kishino, T. Kobayashi, H. Kunugita, K. Ema, K. Ochiai, M. Rikukawa, & K. Sanui: "Spectra of at excitonic resonance in poly( 3-[2-((S)-2-methylbutoxy)ethy1]thiophene)"Nonlinear Optics. 22. 361-364 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] J. Ishi, H. Kunugita, K. Ema, K. Tanaka, T. Kondo & R. Ito: "Third-order optical nonlinearity in a self-organized quantum-well material (C_6H_<13>NH_3)_2(CH_3NH_3)Pb_2I_7"Nonlinear Optics. 22. 365-368 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] K. Ochiai, M. Rikukawa, K. Sanui, N. Ogata, Y. Ueno, & K. Ema: "Structure and Properties of Chiral Poly(3-substituted thiophene) Langmuir-Blodgett Films"Synthetic Metals. 101. 84-85 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] T.Kondo,S.Iwamoto,S.Hayase,K.Tanaka,R.Ito,J.Ishi,M.Mizuno and K.Ema: "Resonant Third-Order Optical Nonlinearity in the Layered Perovskite-Type Material(C_6H_<13>NH_3)_2PbI_4" Solid State Commun.105. 503-506 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] J.Ishi,M.Mizuno,H.Kunugita,K.Ema,S.Iwamoto,S.Hayase,T.Kondo,and R.Ito: "Third-Order Optical Nonlinearity due to Excitons and Biexcitone in a Self-Organized Quantum-Well Material (C_6H_<13>NH_3)_2PbI_4" J.Nonlinear Opt.Phys.Mater.7. 153-159 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] T.Yamaki,T.Yamada,K.Asai,K.Ishigure,and H.Shibata: "Ion irradiation effect on diluted magnetic semiconductor fine particles incorporated into Langmuir-Blodgett films" Thin Solid Films. 327-329. 581-585 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] T.Yamaki,T.Yamada,K.Asai,and K.Ishigure: "Diluted magnetic semiconductor nanoparticles fabricated by the Langmuir-Blodgett technique" Thin Solid Films. 327-329. 586-590 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] S.Seki,S.Tagawa,K.Ishigure,K.Asai,K.R.Cromack,and A.D.Trifunac: "Radical Stability of Aryl Substituted Polysilanes with Linear and Planar Silicon Skeleton Structures" J.Phys.Chem.B102. 8367-8371 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] T.Yamaki,H.Fujii,K.Asai,K.Ishigure,and K.Ema: "DFWM Study of Thin Films Containing Surface-modified CdS Nanoparticles" Synthetic Metals. (印刷中).

    • Related Report
      1998 Annual Research Report
  • [Publications] S.Seki, K.Kanzaki, Y.Yoshida, S.Tagawa, H.Shibata, K.Asai and K.Ishigure: "Positive-Negative Inversion of Silicon Based Resist Materials:Poly(di-n-hexylsilane)for Ion Beam Irradiation" Jpn.J.Appl.Phys.Part1. 36. 5361-5364 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Yamaki, K.Asai and K.Ishigure: "Changes in the Surface Electronic States of Semiconductor Fine Particles Induced by High Erergy Ion Irradiation" Radiat.Phys.Chem.50. 199-205 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Yamaki, Y.Nakashiba, K.Asai, K.Ishigure, S.Seki, S.Tagawa: "Exciplex Emission from Amphiphilic Polysilare Bearing Ammonium Moieties" J.Nucl.Mater.248. 369-373 (1997)

    • Related Report
      1997 Annual Research Report
  • [Publications] J.Ishi, M.Mizuno, H.Kunugita, K.Ema, S.Iwamoto, S.Hayase, T.Kondo and R.Ito: "Thira-order optical nonlinearity due to excitons and biexcitons in a self-organized quantum-well material(C_6H_<13>NH_3)_2 PbI_4" J.Nonlinear Opt.Phys.Mater.7(印刷中). (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Y.Ueno, S.Kishino, H.Kunugita, K.Ema, M.Rikukawa, Y.Tabuchi: "Ultrafast Excitonic Nonlinearity in Regioregular Head-to-tail Coupled Poly(3-Hexylthiophene)" J.Nonlinear Opt.Phys.Mater.7(印刷中). (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] T.Kondo, S.Iwamoto, S.Hayase, K.Tanaka, J.Ishi, M.Mizuno, K.Ema and R.Ito: "Resonant Third-order Optical Nonlinearity in the Layered Perovskite-type Material(C_6H_<13>NH_3)_2PbI_4" Solid State Comun.105(8). 503-506 (1998)

    • Related Report
      1997 Annual Research Report

URL: 

Published: 1997-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi