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1995 Fiscal Year Final Research Report Summary

MORPHOLOGY CONTROL OF ORGANIC THIN FILMS BY ION-BEAM-ASSISTED DEPOSITION AND THEIR APPLICATION TO E.L.DIODE

Research Project

Project/Area Number 06650378
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Electronic materials/Electric materials
Research InstitutionNARA NATIONAL COLLEGE OF TECHNOLOGY

Principal Investigator

KYOKANE Jun  ELECTRICAL ENGINEERING, PROFESSOR, 電気工学科, 教授 (50043469)

Co-Investigator(Kenkyū-buntansha) IZUMI Ikuichiro  NaRA National College of Technology CHEMICAL ENGINEERING, PROFESSOR, 化学工学科, 教授 (50043477)
TAKAHASHI Haruo  NaRA National College of Technology ELECTRICAL ENGINEERING, PROFESSOR, 電気工学科, 教授 (20043458)
Project Period (FY) 1994 – 1995
KeywordsIon-beam-assisted method / Organic materials / Evaparated thin films / 8-hydroxyquinoline aluminum / T.P.D. / Morphology control / E.L.diode / トリフェニルジアミン誘導体
Research Abstract

The results of this scientific research are summarized as follows.
1. A new method of the ion-beam-assisted deposition of organic materials using the Kaufman-type ion source was proposed.
2. The morphology, crystallization and packing density of 8-hydroxyquinoline aluminum (Alq_3) films prepared by this method were confirmed to be greatly improved compared with that obtained with the conventional evaporation method.
3. The high quality emitting layrs of Alq_3 were obtained in the range of the ion beam current between 50 nA/cm^2 and 120 nA/cm^2 for the ion beam energy of 100 eV using helium ion beams.
4. The EL diode of double layr emitted green light at room temperature. This EL intensity was several times lager than that of EL diodes obtained with thermal deposition method. The enhancement effect of EL intensity may be suggested from the results that the morphology, crystallization or packing density of the emitting layrs have been progressed by low energy ion beam irradiation. The evaporated TPD films also confirmed to exhibit high hole conduction.

  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] J. Kyokane, I. Taniguchi etal: "Conducting Organic Thin Films by Ion-Assisted Evaporation and Their Application to Electronic Devices and Components" Synthetic Metals. 71. 2217-2218 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] K. Tada, J. Kyokane etal: "Optical Properties of Perfluoroalklated Poly-(difhenylacetylene)" Jpn. J. Appl. Phys.34. L1083-L1085 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] I. Izumi, J. Sato etal: "Electrochemical Intercalation of Bromine into Graphite in an Aqueous Electrolyte Solution" Synthetic Metals. 75. 75-77 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] J. Kyokane, M. Yoshimizu etal: "Effects of Ion Bean Imadiation on Electrical Properties of LB Films" International Symposium on Electrical Insulating Materials. ISEIM‘95. 89-92 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 京兼純・谷口功: "有機蒸着薄膜を用いた電気・電子素子への応用" 電子情報通信学会・有機エレクトロニクス研究会. OME-95-32. 19-24 (1995)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] J.Kyokane, I.Taniguchi and K.Yoshino: "Evaporated Organic Thin Films by Ion-Assisted Method and Their Application of Electrical and Electronic Components" 5th Symposium on Beam Engineering of Advanced Material Syntheses ; Tokyo, Japan. 133-136 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] J.Kyokane and K.Yoshino: "Characteristics of Capacitor with Organic Conductors as Solid Electrolyte by Ion-Assisted Evaporation" Trans. Inst. Electrical Eng. Jpn.114-C [in Japanese]. 1095-1100 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] J.Kyokane M.Yoshimizu and K.Yoshino: "Effects of Ion Beam Irradiation on Electrical Properties of LB Films" Synthetic Metals. 71. 2217-2218 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] J.Kyokane, I.Taniguchi and K.Yoshino: "Conducting Organic Thin Films by Ion-Assisted Evaporation and Their Application to Electronic Devices and Components" Synthetic Metals.71. 2219-2220 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Tada, H.Sawada, J.Kyokane and K.Yoshino: "Optical Properties of Perfluoro-alklated Poly (diphenylacetylene)" Jpn. J.Appl. Phys.34. L1083-L1085 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] J.Kyokane M.Yoshimizu and K.Yoshino: "Effects of Ion Beam Irradiation on Electrical Properties of LB Films" International Symposium on Electrical Insulating Materials ; Tokyo, Japan. 89-92 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] J.Kyokane, M.Yoshimizu, I.Taniguchi, A.Ueda and K.Yoshino: "Evaporated Organic Thin Films by Ion-Beam-Assisted Method and Their Application of Electrical and Electronic Components" Technical Rept. of Inst. Electron. Inf. Commun. Eng. Jpn.OME-95-32 [in Japanese]. 19-24 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] I.Izumi, J.Sato, N.Iwashita and M.Inagaki: "Electrochemical Intercalation of Bromine into Graphite in an Aqueous Electrolyte Solution" Synthetic Metals. 75. 75-77 (1995)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1997-03-04  

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