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The fabrication of molecular crystal, devices and the physical property measurements for them

Research Project

Project/Area Number 13640572
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 機能・物性・材料
Research InstitutionThe University of Tokyo

Principal Investigator

TAJIMA Hiroyuki  The University of Tokyo, The Institute for Solid State Physics, Associate Professor, 物性研究所, 助教授 (60207032)

Co-Investigator(Kenkyū-buntansha) HANASAKI Noriaki  The University of Tokyo, The Institute for Solid State Physics, Research Associate, 物性研究所, 助手 (70292761)
山本 貴  東京大学, 物性研究所, 学術振興会特別研究員
Project Period (FY) 2001 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥3,800,000 (Direct Cost: ¥3,800,000)
Fiscal Year 2002: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 2001: ¥2,000,000 (Direct Cost: ¥2,000,000)
KeywordsMolecular conductors / Organic Conductors / Organic thinfilms / Organic light-emitting device / Bimolecular light-emitting diode / 分子素子 / 分子性結晶 / FET
Research Abstract

In this study, we aimed to develop a technique to fabricate electronic devices using organic molecular crystals. One of the backgrounds of this study is the report on "superconductivity" for the FET devices fabricated on molecular crystals (Shun et al., Nature, 406, 702 (2000)). We have also followed their procedure and try to fabricate FET devices using various organic crystals as substrates. However all the attempts are failed. Moreover, this report was completely denied later.
Then we changed the research plan to fabricate the organic thin-film devices, and have done following research works.
i)"The study on a photo-switching device fabricated from phthalocyanines soluble to organic solvents"
We fabricated thin films from an acetone solution containing [(n-C_7H_<15>)_4N]_2[Fe^<II>(Pc)(CN)_2]. The fabricated films exhibit the photoswitching phenomenon for UV irradiation.
ii)"The study on a light-emitting diode fabricated from horse-heart cytochrome c"
We fabricated a light-emitting diode from biomolecule and measured the electro-luminescence (EL) spectra.
In addition to these studies, we have studied giant negative magnetoresistance in [Fe(Pc)(CN)_2] salts, and charge-ordering phenomena in various molecular conductors.

Report

(3 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] H.Tajima, S.Ikeda, M.Matsuda, N.Hanasaki, J.Oh, H.Akiyama: "A light-emitting diode fabricated from horse-heart cytochrome c"Solid State Commun.. 126. 579-581 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Matsuda, N.Hanasaki, H.Tajima, T.Naito, T.Inabe: "Anisotropic giant magnetoresistance originating from the π-d interaction in a molecule"J.Phys.Chem.. 65. 749-752 (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] N.Hanasaki, M.Matsuda, H.Tajima, T.Naito, T.Inabe: "Contribution of degenerate molecular orbitals to molecular orbital angular momentum in molecular magnet Fe(Pc)(CN)_2"J.Phys.Soc.Jpn.. 72. 3226-3230 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Matsuda, S.Ikeda, N.Hanasaki, M.Yoshita, H.Tajima: "Fabrication of Thin Films Using a Soluble Metal Phthalocyanine Salt and Their Photoconductive Properties"Chem.Lett.. 2003. 130-131 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Yuqin Ding, Hiroyuki Tajima: "Optical study on the charge ordering in the organic conductor β-(ET)_2PF_6"Phys.Rev.B. (印刷中). (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] H.Tajima, S.Ikeda, M.Matsuda, N.Hanasaki, Ji-Won Oh, H.Akiyama: "A light-emitting diode fabricated from horse-heart cytochrome c"Solid State Commun. 126. 579-581 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Matsuda, N.Hanasaki, H.Tajima, T.Naito, T.Inabe: "Anisotropic giant magnetoresistance originating from the π-d interaction in a molecule"J.Phys.Chem.Solids. 65. 749-752 (2004)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] N.Hanasaki, M.Matsuda, H.Tajima, T.Naito, T.Inabe: "Contribution of degenerate molecular orbitals_to molecular orbital angular momentum in molecular magnet Fe(Pc)(CN)_2"J.Phys.Soc.Jpn.. 72. 3226-3230 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Matsuda, S.Ikeda, N.Hanasaki, M.Yoshita, H.Tajima: "Fabrication of Thin Films Using a Soluble Metal Phthalocyanine Salt and Their Photoconductive Properties"Chem.Lett.. 2003. 130-131 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Yuqin Ding, Hiroyuki Tajima: "Optical study on the charge ordering in the organicconductor β-(ET)_2PF_6"Phys.Rev.B.. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] M.Matsuda, S.Ikeda, N.Hanasaki, M.Yoshita.H.Tajima: "Fabrication of Thin Films Using a Soluble Metal Phthalocyanine Salt and Their Photoconductive Properties"Chemistry Letters. (2). 130-131 (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Tajima, N.Hanasaki, M.Matsuda, F.Sakai, T.Naito, T.Inabe: "Magnetoresistance study on TPP[M(Pc)(CN)_2]_2 (M=Fe, Co, Fe_<0.30>Co_<0.70>) salts"Journal of Solid State Chemistry. 168(2). 509-513 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] T.Yamamoto, H.Tajima, R.Kato, M.Uruichi, K.Yakushi: "Raman Spectra of(Me_2-DCNQI)_2Cu_xLi1-_x (0<x<1)-The evidence for Charge Separation at room temperature in a one-dimensional conductor having a quater-filled band"Journal of the Physical Society of Japan. 71(8). 1956-1964 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] H.Tajima, S.Kyoden, H.Mori, S.Tanaka: "Reflectance Spectra of θ-ET_2MM'(SCN)_4 [MM'=RbCo, RbZn, CsZn]"Molecular Crystals and Liquid Crystals. 380. 215-220 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] M.Matsuda, T.Naito, T.Inabe, N.Hanasaki, H.Tajima: "One-dimensional p-d System with Axially Substituted Iron(III) Phtalocyanine"Molecular Crystals and Liquid Crystals. 380. 277-282 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] T.Kawamoto, M.Ashizawa, T.Mori, T.Yamamoto, J.Yamaura, H.Tajima: "Anion Ordering and Optical Properties of the Quasi-One-dimensional Organic Conductor (ChTM-TTP)_2GaCl_4"Journal of the Physical Society of Japan. 71(12). 3059-3064 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] M.Matsuda, T.Naito, T.Inabe, N.Hanasaki, H.Tajima: "Structure and Electrical and Magnetic Properties of PTMA_X[M (Pc) (GN) z). y (solvent) (PTMA=phenyltrimethy lammon and [M(Pc) (CN)_2]=dicyano(phthalocyaninato)MIII with M=Co and Fe)). Partial Oxidation by Partial Solvent Occupation of the Cationic Site"Journal of Material Chemistry. 11. 2493-2497 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Naito, T.Inabe, K.Takeda, K.Awaga, T.Akutagawa, T.Hasegawa, T.Nakamura, T.Kakiuchi, K.Sawa, T.Yunmoto. H.Taiima: "β"-(ET)_3(MnCl_4)(1, 1, 2-C_2H_3Cl_3) (ET=bis(ethylenedithio)tetrathiafluvalene) ; a Pressure-senstive New Molucular Conductors with Localized Spins"Journal of Material Chemistry. 11. 2221-2227 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Tajima, S.Kyoden, H.Mori, S.Tanaka: "Reflectance Spectra of -ET_2MM'(SCN)_4"Synthetic Metals. 120. 757-758 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Yamamoto, N.Hanasaki, J.Yamaura, S.Aonwna, H.Tajima, K. Yakushi, M. Uriichi, R Kato: "Phase diagrams of (DMe-DCNQI)_2Li_1-xCux System"Synthetic Metals. 120. 873-874 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] H.Hanasaki, H.Tajima, M.Matsuda, T.Naito, T.Inabe: "Giant Negative Magnetoresistance of One-dimensional Conductor TPP[Fe(PC)(CN)_2]_2"Synthetic Metals. 120. 797-798 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] T.Konoike, A.Oda, K.Iwashita, T.Yamamoto, H.Yoshino, K.Ueda, T.Sugimoto, K.Hiraki, T.Takahashi, Y.Nishio, K.Kajita, G.C.Papavessiliou, G.A.Mousdis, K.Murata: "Low temperature electric nature of τ-phase conductors"Synthetic Metals. 120. 801-802 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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