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Understanding the relationship between structure and electric conduction of semiconducting Mg-doped C_<60> film

Research Project

Project/Area Number 21560341
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Electronic materials/Electric materials
Research InstitutionToyota Technological Institute

Principal Investigator

KOJIMA Nobuaki  豊田工業大学, 大学院・工学研究科, 助教 (70281491)

Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywordsフラーレン / ドーピング / 半導体物性 / エピタキシャル成長 / 分子性固体 / 太陽電池 / 薄膜トランジスタ
Research Abstract

Mg-doped C_<60> is promising material for improving performance of organic devices, such as solar cells and thin film transistors. In this study, we investigated the relationship between structure and electric conduction of semiconducting Mg-doped C_<60> film. We found that Mg-doped C_<60> contains C_<60>-dimers and polymers, and the crystal quality is degraded by the existence of several types of short length C_<60> polymers. Electrical conductivity is related both of Mg concentration and crystal quality. The results indicate that high crystal quality is necessary to improve organic device performance by using Mg-doped C_<60>.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (43 results)

All 2012 2011 2010 2009

All Journal Article (14 results) (of which Peer Reviewed: 6 results) Presentation (29 results)

  • [Journal Article] Structural and Molecular Changes of C_<60> Thin Films with Incorporated Magnesium Atom2012

    • Author(s)
      C. Morales, N. Kojima, S. Nishi, M. Yamaguchi
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 51

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Structural and Molecular Changes of C_<60> Thin Films with Incorporated Magnesium Atom2012

    • Author(s)
      Crisoforo Morales, et al
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 51 Issue: 4S Pages: 04DK08-04DK08

    • DOI

      10.1143/jjap.51.04dk08

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Electrical Conduction Properties of Mg-doped C_<60> Films2010

    • Author(s)
      N. Kojima, M. Natori, C. Morales, S. Nishi, M. Yamaguchi
    • Journal Title

      Proceedings of the 35th IEEE Photovoltaic Specialists Conference

      Pages: 1650-1652

    • Related Report
      2011 Final Research Report
  • [Journal Article] Growth Temperature Dependence of Structure in Mg-doped C_<60> Films2010

    • Author(s)
      S. Nishi, M. Natori, N. Kojima, C. Morales, M. Yamaguchi
    • Journal Title

      Proceedings of the 35th IEEE Photovoltaic Specialists Conference

      Pages: 1653-1656

    • Related Report
      2011 Final Research Report
  • [Journal Article] Effect of Doping with Magnesium on Structural, Optical and Electrical Properties of Epitaxial-Grown Mg-Doped C_<60> Thin Films2010

    • Author(s)
      C. Morales, N. Kojima. Ogata, S. Nishi, M. Yamaguchi
    • Journal Title

      Proceedings of the 25th European Photovoltaic Solar Energy Conference/5th World Conference on Photovoltaic Energy Conversion

      Pages: 781-783

    • Related Report
      2011 Final Research Report
  • [Journal Article] Electrical and Structural Characterization of Epitaxial-grown Mg-doped C_<60> Thin Films2010

    • Author(s)
      N. Kojima, M. Natori, M. Yamaguchi
    • Journal Title

      ECS Transactions

      Volume: 25(22) Pages: 7-11

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Electrical Conduction Properties of Mg-doped C_<60> Films2010

    • Author(s)
      Nobuaki Kojima, et al.
    • Journal Title

      Proceedings of the 35th IEEE Photovoltaic Specialists Conference

      Pages: 1650-1652

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Growth Temperature Dependence of Structure in Mg-doped C_<60> Films2010

    • Author(s)
      Seiji Nishi, et al.
    • Journal Title

      Proceedings of the 35th IEEE Photovoltaic Specialists Conference

      Pages: 1653-1656

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Effect of Doping with Magnesium on Structural, Optical and Electrical Properties of Epitaxial-Grown Mg-Doped C_<60> Thin Films2010

    • Author(s)
      Crisoforo Morales, et al.
    • Journal Title

      Proceedings of the 25th European Photovoltaic Solar Energy Conference/5th World Conference on Photovoltaic Energy Conversion

      Pages: 781-783

    • Related Report
      2010 Annual Research Report
  • [Journal Article] Electrical and Structural Characterization of Epitaxial-grown Mg-doped C_<60> Thin Films2010

    • Author(s)
      Nobuaki Kojima, et al.
    • Journal Title

      ECS Transactions 25[22]

      Pages: 7-11

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Novel materials for high-efficiency solar cells2009

    • Author(s)
      N. Kojima, M. Natori, H. Suzuki, M. Inagaki, Y. Ohshita, M. Yamaguchi
    • Journal Title

      Proc. Society of Photo-Optical Instrumentation Engineers(SPIE)

      Volume: 7518

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Conductivity Improvement of Epitaxial-Grown Mg-Doped C_<60> Thin Films2009

    • Author(s)
      N. Kojima, M. Natori, H. Suzuki, M. Yamaguchi
    • Journal Title

      Proc. 34th IEEE Photovoltaic Specialists Conference

    • Related Report
      2011 Final Research Report
  • [Journal Article] Conductivity Improvement of Epitaxial-Grown Mg-Doped C_<60> Thin Films2009

    • Author(s)
      Nobuaki Kojima, et al.
    • Journal Title

      Proc.34th IEEE Photovoltaic Specialists Conference

    • Related Report
      2009 Annual Research Report
  • [Journal Article] Novel materials for high-efficiency solar cells2009

    • Author(s)
      Nobuaki Kojima, et al.
    • Journal Title

      Proc.Society of Photo-Optical Instrumentation Engineers(SPIE) 7518

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Presentation] Cross-Linking of C_<60> in Mg-Doped C_<60> Films2011

    • Author(s)
      N. Kojima, C. Morales, M. Yamaguchi
    • Organizer
      21st International Photovoltaic Science and Engineering Conference(PVSEC-21)
    • Place of Presentation
      Hilton Fukuoka Sea Hawk, Japan
    • Year and Date
      2011-12-01
    • Related Report
      2011 Final Research Report
  • [Presentation] Infrared Spectra of Undoped and Mg-Doped C_<60> Films2011

    • Author(s)
      C. Morales, N. Kojima, M. Yamaguchi
    • Organizer
      21st International Photovoltaic Science and Engineering Conference(PVSEC-21)
    • Place of Presentation
      Hilton Fukuoka Sea Hawk, Japan
    • Year and Date
      2011-12-01
    • Related Report
      2011 Final Research Report
  • [Presentation] Cross-Linking of C_<60> in Mg-Doped C_<60> Films2011

    • Author(s)
      Nobuaki Kojima, et al
    • Organizer
      21st International Photovoltaic Science and Engineering Conference (PVSEC-21)
    • Place of Presentation
      Hilton Fukuoka Sea Hawk, Japan
    • Year and Date
      2011-12-01
    • Related Report
      2011 Annual Research Report
  • [Presentation] Infrared Spectra of Undoped and Mg-Doped C_<60> Films2011

    • Author(s)
      Crisoforo Morales, et al
    • Organizer
      21st International Photovoltaic Science and Engineering Conference (PVSEC-21)
    • Place of Presentation
      Hilton Fukuoka Sea Hawk, Japan
    • Year and Date
      2011-12-01
    • Related Report
      2011 Annual Research Report
  • [Presentation] Crystalline quality variations in epitaxial-grown C_<60> thin films by magnesium atoms doping2011

    • Author(s)
      C. Morales, N. Kojima, S. Nishi, N. Ogata, M. Yamaguchi
    • Organizer
      2011 International Conference on Solid State Devices and Materials(SSDM 2011)
    • Place of Presentation
      Nagoya, Japan
    • Year and Date
      2011-09-29
    • Related Report
      2011 Final Research Report
  • [Presentation] Crystalline quality variations in epitaxial-grown C_<60> thin films by magnesium atoms doping2011

    • Author(s)
      Crisoforo Morales, et al
    • Organizer
      2011 International Conference on Solid State Devices and Materials (SSDM 2011)
    • Place of Presentation
      Aichi Industry & Labor Center (WINC AICHI), Nagoya, Japan
    • Year and Date
      2011-09-29
    • Related Report
      2011 Annual Research Report
  • [Presentation] MgドープによるC_<60>の構造変化に関する研究2011

    • Author(s)
      尾形直紀、西誠治、小島信晃、クリソフォロ・モラーレス、山口真史
    • Organizer
      第8回次世代の太陽光発電システムシンポジウム
    • Place of Presentation
      じゅうろくプラザ(岐阜市)
    • Year and Date
      2011-06-30
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] Study of the degradation of crystalline quality by magnesium atoms in C_<60> thin films epitaxially grown2011

    • Author(s)
      C. Morales, N. Kojima, S. Nishi, N. Ogata, M. Yamaguchi
    • Organizer
      第8回次世代の太陽光発電システムシンポジウム
    • Place of Presentation
      じゅうろくプラザ(岐阜市)
    • Year and Date
      2011-06-30
    • Related Report
      2011 Annual Research Report 2011 Final Research Report
  • [Presentation] Polymer Formation in Conductive Mg-doped C_<60> Films2011

    • Author(s)
      N. Kojima, S. Nishi, C. Morales, M. Yamaguchi
    • Organizer
      37th IEEE Photovoltaic Specialists Conference(PVSC37)
    • Place of Presentation
      Washington State Convention Center, Seattle, USA
    • Year and Date
      2011-06-21
    • Related Report
      2011 Final Research Report
  • [Presentation] Polymer Formation in Conductive Mg-doped C_<60> Films2011

    • Author(s)
      Nobuaki Kojima, et al
    • Organizer
      37th IEEE Photovoltaic Specialists Conference (PVSC37)
    • Place of Presentation
      Washington State Convention Center, Seattle, USA
    • Year and Date
      2011-06-21
    • Related Report
      2011 Annual Research Report
  • [Presentation] Conductivity and cristallie quality variations by magnesium atoms doping in epitaxial-grown C_<60> thin films2010

    • Author(s)
      C. Morales, N. Kojima, S. Nishi, N. Ogata, M. Yamaguchi
    • Organizer
      2010 International Chemical Congress of Pacific Basin Societies(PACIFICHEM2010)
    • Place of Presentation
      Hawaii Convention Center(Honolulu, USA)
    • Year and Date
      2010-12-17
    • Related Report
      2011 Final Research Report
  • [Presentation] Conductivity and cristallie quality variations by magnesium atoms doping in epitaxial-grown C_<60> thin films2010

    • Author(s)
      Crisoforo Morales, et al.
    • Organizer
      2010 International Chemical Congress of Pacific Basin Societies (PACIFICHEM2010)
    • Place of Presentation
      Hawaii Convention Center (Honolulu, USA)
    • Year and Date
      2010-12-17
    • Related Report
      2010 Annual Research Report
  • [Presentation] Structural change of C_<60> Films by Mg doping2010

    • Author(s)
      S. Nishi, N. Kojima, C. Morales, M. Yamaguchi
    • Organizer
      第39回フラーレン・ナノチューブ総合シンポジウム
    • Place of Presentation
      京都大学百周年記念ホール(京都)
    • Year and Date
      2010-09-07
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] Conductivity Control of C_<60> Films by Mg-doping for Solar Cell Applications2010

    • Author(s)
      N. Kojima
    • Organizer
      International Union of Materials Research Societies-International Conference on E1ectronic Materials 2010(lUMRS-ICEM2010)<招待講演>
    • Place of Presentation
      KINTEX(Seoul, Korea)
    • Year and Date
      2010-08-24
    • Related Report
      2011 Final Research Report
  • [Presentation] Conductivity Control of C_<60> Films by Mg-doping for Solar Cell Applications2010

    • Author(s)
      Nobuaki Kojima
    • Organizer
      International Union of Materials Research Societies-International Conference on Electronic Materials 2010 (IUMRS-ICEM2010)
    • Place of Presentation
      KINTEX (Seoul, Korea)(招待講演)
    • Year and Date
      2010-08-24
    • Related Report
      2010 Annual Research Report
  • [Presentation] Structural Characterization of Mg-doped C_<60> for Solar Cell Applications2010

    • Author(s)
      S. Nishi, C. Morales, N. Kojima, M. Yamaguchi
    • Organizer
      Korea-Japan Top University League Workshop on Photovoltaics 2010(Top-PV2010)
    • Place of Presentation
      KAIST(Daejeon, Korea)
    • Year and Date
      2010-08-01
    • Related Report
      2011 Final Research Report
  • [Presentation] Structural Characterization of Mg-doped C_<60> for Solar Cell Applications2010

    • Author(s)
      Seiji Nishi, et al.
    • Organizer
      Korea-Japan Top University League Workshop on Photovoltaics 2010 (Top-PV2010)
    • Place of Presentation
      KAIST (Daejeon, Korea)
    • Year and Date
      2010-08-01
    • Related Report
      2010 Annual Research Report
  • [Presentation] MBE成長MgドープC_<60>薄膜の構造評価2010

    • Author(s)
      西誠治、クリソフォロ・モラーレス、小島信晃、山口真史
    • Organizer
      第7回次世代の太陽光発電システムシンポジウム
    • Place of Presentation
      北九州国際会議場(北九州)
    • Year and Date
      2010-07-08
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] Effect of crystalline quality on electrical properties in undoped and Mg-doped C_<60> films2010

    • Author(s)
      C. Morales, N. Kojima, S. Nishi, N. Ogata, M. Yamaguchi
    • Organizer
      第7回次世代の太陽光発電システムシンポジウム
    • Place of Presentation
      北九州国際会議場(北九州)
    • Year and Date
      2010-07-08
    • Related Report
      2011 Final Research Report 2010 Annual Research Report
  • [Presentation] マイカ基板上MgドープC_<60>膜の高温成長による構造変化2010

    • Author(s)
      西誠治、名取雅人、小島信晃、山口真史
    • Organizer
      第57回応用物理学関係連合講演会
    • Place of Presentation
      東海大学湘南キャンパス(神奈川)
    • Year and Date
      2010-03-17
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Structural change of Mg-doped C_<60> films along with growth temperature increasing2010

    • Author(s)
      S. Nishi, M. Natori, N. Kojima, M. Yamaguchi
    • Organizer
      第38回フラーレン・ナノチューブ総合シンポジウム
    • Place of Presentation
      名城大学(名古屋)
    • Year and Date
      2010-03-03
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Electrical and Structural Characterization of Epitaxial-grown Mg-doped C_> 60> Thin Films2009

    • Author(s)
      N. Kojima, M. Natori, M. Yamaguchi
    • Organizer
      216th Electrochemical Society Meeting
    • Place of Presentation
      Austria Center Vienna(Vienna, Austria)
    • Year and Date
      2009-10-06
    • Related Report
      2011 Final Research Report
  • [Presentation] Electrical and Structural Characterization of Epitaxial-grown Mg-doped C_<60> Thin Films2009

    • Author(s)
      Nobuaki Kojima, et al.
    • Organizer
      216th Electrochemical Society Meeting
    • Place of Presentation
      Austria Center Vienna(Vienna, Austria)
    • Year and Date
      2009-10-06
    • Related Report
      2009 Annual Research Report
  • [Presentation] Behavior of the photocurrent on Mg-doped C_<60> films2009

    • Author(s)
      C. Morales, N. Kojima, M. Natori, S. Nishi, M. Yamaguchi
    • Organizer
      第37回フラーレン・ナノチューブ総合シンポジウム
    • Place of Presentation
      つくば国際会議場(つくば)
    • Year and Date
      2009-09-03
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Mg concentration dependence of conductivity in epitaxial-grown Mg-doped C_<60> thin films2009

    • Author(s)
      M. Natori, S. Nishi, N. Kojima, M. Yamaguchi
    • Organizer
      第37回フラーレン・ナノチューブ総合シンポジウム
    • Place of Presentation
      つくば国際会議場(つくば)
    • Year and Date
      2009-09-01
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Novel materials for high-efficiency solar cells2009

    • Author(s)
      N. Kojima, M. Natori, H. Suzuki, M. Inagaki, Y. Ohshita, M. Yamaguchi
    • Organizer
      Photonics and Optoelectronics Meetings(POEM) 2009<招待講演>
    • Place of Presentation
      Huazhong University of Science and Technology(Wuhan, China)
    • Year and Date
      2009-08-09
    • Related Report
      2011 Final Research Report
  • [Presentation] Novel materials for high-efficiency solar cells<招待講演>2009

    • Author(s)
      Nobuaki Kojima, et al.
    • Organizer
      Photonics and Optoelectronics Meetings(POEM)2009
    • Place of Presentation
      Huazhong University of Science and Technology(Wuhan, China)
    • Year and Date
      2009-08-09
    • Related Report
      2009 Annual Research Report
  • [Presentation] MgドープC_<60>エピタキシャル膜の導電率におけるMg濃度依存2009

    • Author(s)
      名取雅人、小島信晃、山口真史
    • Organizer
      第6回「次世代の太陽光発電システム」シンポジウム
    • Place of Presentation
      朱鷺メッセ(新潟)
    • Year and Date
      2009-07-02
    • Related Report
      2011 Final Research Report 2009 Annual Research Report
  • [Presentation] Conductivity Improvement of Epitaxial-Grown Mg-Doped C_<60> Thin Films2009

    • Author(s)
      N. Kojima, M. Natori, H. Suzuki, M. Yamaguchi
    • Organizer
      34th IEEE Photovoltaic Specialists Conference
    • Place of Presentation
      Philadelphia Marriott(Philadelphia, USA)
    • Year and Date
      2009-06-09
    • Related Report
      2011 Final Research Report 2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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