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2008 Fiscal Year Final Research Report

NO2 Detection Mechanism for Oxide-Carbon Nanotubes Composite Sensor

Research Project

  • PDF
Project/Area Number 19681012
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Nanomaterials/Nanobioscience
Research InstitutionRitsumeikan University

Principal Investigator

HASHISHIN Takeshi  Ritsumeikan University, 生命科学部応用化学科, 助教 (20336184)

Project Period (FY) 2007 – 2008
KeywordsCNT-酸化物センサ / NO2吸着 / p-n接合 / 空間電荷層
Research Abstract

p型半導体であるカーボンナノチューブ(CNT)にn型半導体である酸化タングステン(WO3)、酸化スズ(SnO2)などの酸化物を微量添加した時に、p-n接合の形成にともない電荷が存在しない空間電荷層が半導体表面に形成される。NO2などの酸化性ガスがその空間電荷層に吸着するとホールが注入され、電気抵抗が減少することを明らかにした。また、酸化物をCNTの筒の内側に導入することで、NO2の吸着量が大幅に増加することを見出した。

  • Research Products

    (12 results)

All 2009 2008

All Journal Article (5 results) (of which Peer Reviewed: 5 results) Presentation (7 results)

  • [Journal Article] Conductivity-Type Sensor Based on CNT-WO3 Composite for NO2 Detection2008

    • Author(s)
      T. Hashishin, J. Tamaki
    • Journal Title

      J. Nanomaterials 352854

      Pages: 4

    • Peer Reviewed
  • [Journal Article] Ultrahigh-sensitive WO3 nanosensor with interdigitated Au nano-electrode for NO2 detection2008

    • Author(s)
      J. Tamaki, T. Hashishin, Y. Uno, D. V. Dao, S. Sugiyama
    • Journal Title

      Sens. Actuators B 132

      Pages: 234-238

    • Peer Reviewed
  • [Journal Article] Au-Pd Catalyzed Growth of Carbon Nanofibers Mat2008

    • Author(s)
      T. Hashishin, J. Tamaki
    • Journal Title

      Mater. Chem. Phys. 111

      Pages: 54-58

    • Peer Reviewed
  • [Journal Article] カーボンナノチューブを用いた抵抗型ガスセンサ2008

    • Author(s)
      橋新剛
    • Journal Title

      化学センサ2007(ナノ化学センサ特集) 24

      Pages: 36-42

    • Peer Reviewed
  • [Journal Article] Nanocomposites of oxide nanoparticles and carbon nanotubes for gas sensor2008

    • Author(s)
      T. Hashishin, J. Tamaki
    • Journal Title

      Proc. of 16th International Conference of Composite Engineering

      Pages: 417-418

    • Peer Reviewed
  • [Presentation] 酸化スズ修飾多層カーボンナノチューブのNO2検知特性2009

    • Author(s)
      橋新剛, 岸孝宏, 玉置純
    • Organizer
      ナノ学会第7回大会
    • Place of Presentation
      東京大学武田先端知ビル
    • Year and Date
      2009-05-11
  • [Presentation] 酸化物内包多層カーボンナノチューブの二酸化窒素検知特性2009

    • Author(s)
      橋新剛, 岸孝宏, 玉置純
    • Organizer
      第47回化学センサ研究発表会(電気化学会第76回大会)
    • Place of Presentation
      京都大学吉田キャンパス
    • Year and Date
      2009-03-29
  • [Presentation] Controlling Growth of Vertically Aligned MWNT by PECVD2008

    • Author(s)
      T. Tsuda, T. Hashishin, J. Tamaki
    • Organizer
      IUMRS-ICA2008
    • Place of Presentation
      Nagoya International Congress
    • Year and Date
      2008-12-10
  • [Presentation] SnO2-MWNT複合化センサのNO2吸着特性に及ぼすSnO2担持状態の影響2008

    • Author(s)
      橋新剛, 岸孝宏, 玉置純
    • Organizer
      日本セラミックス協会関西支部平成20年度支部セミナ-シーズ/ニーズのマッチングによる新たな展開を求めて-
    • Place of Presentation
      京都大学ローム記念館
    • Year and Date
      2008-11-21
  • [Presentation] Chemical modification of carbon nanotubes for NO2 detection2008

    • Author(s)
      T. Hashishin
    • Organizer
      The 4th Vietnamese & Japanese Students Scientific Exchange Conference
    • Place of Presentation
      Kyoto Univ. Yoshida Campus
    • Year and Date
      2008-11-15
  • [Presentation] Tin Oxide Nanoparticles Deposited Inside Multiwalled Carbon Nanotubes for Sensor Application2008

    • Author(s)
      T. Kishi, T. Hashishin, J. Tamaki
    • Organizer
      PRiME2008
    • Place of Presentation
      Waikiki, Hawai
    • Year and Date
      2008-10-12
  • [Presentation] Nanocomposites of carbon nanotubes and oxides for sensor application2008

    • Author(s)
      T. Hashishin, J. Tamaki
    • Organizer
      The 16th International Conference of Composites Engineering
    • Place of Presentation
      Kunming, China
    • Year and Date
      2008-07-22

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Published: 2010-06-10   Modified: 2016-04-21  

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