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2013 Fiscal Year Final Research Report

Molecular absorption and desorption phenomena of SWNT single nanochannel processed by laser ablation process

Research Project

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Project/Area Number 24656140
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeSingle-year Grants
Research Field Thermal engineering
Research InstitutionKyushu University

Principal Investigator

KOHNO MASAMICHI  九州大学, 工学(系)研究科(研究院), 准教授 (50311634)

Co-Investigator(Kenkyū-buntansha) CHIASHI Shohei  東京大学, 大学院工学系研究科, 講師 (50434022)
Project Period (FY) 2012-04-01 – 2014-03-31
Keywordsナノチューブ / レーザー / 吸着
Research Abstract

A single walled carbon nanotube, which adsorbed water molecule in its nano channel, was observed using Raman spectroscopy, and two sample's spectrums were compared under the same conditions. The SWNT samples that were vertically aligned on the silicon substrate were used. One of the samples was not covered by polymer whereas the other sample was covered by polymer. In our experiment, a nano channel was made using a nanosecond pulse laser. The cell with the laser-processed sample in it was set on the Raman spectroscopy's platform. The SWNT successfully adsorbed water molecule in its nano channel. With the Raman spectroscopy, Radial Breathing Mode (RBM), D-band, and G-band were mainly observed. The RBM, D-band, and G-band originated from radial vibration frequency, defective structure, and graphite structure respectively. One of the samples that is not covered by polymer showed the RBM shift and diminishing due to water molecules adsorption on the surface or in nano channel.

  • Research Products

    (8 results)

All 2013 2012

All Journal Article (4 results) Presentation (4 results)

  • [Journal Article] SIZE CLASSIFICATION OF CNTS BY DIAMETER AND LENGTH IN LOW PRESSURE2013

    • Author(s)
      Tatsuya HISATSUGU, Kazuhide SHIBATA, Yasuyuki TAKATA, Makoto HIRASAWA, Takafumi SETO, Masamichi KOHNO
    • Journal Title

      Proceedings of the 24th International Symposium on Transport Phenomena

      Pages: 760-765

  • [Journal Article] Effect of Gas Pressure on the Density of Horizontally Aligned Single-Walled Carbon Nanotubes Grown on Quartz Substrates2013

    • Author(s)
      T. Inoue, D. Hasegawa, S. Badar, S. Aikawa, S. Chiashi, S. Maruyama
    • Journal Title

      J. Phys. Chem. C

      Volume: 117, (22) Pages: 11804-11810

  • [Journal Article] Size classification of CNTs in gas flow with differential mobility analyzer (DMA)2012

    • Author(s)
      Kazuhide Shibata, Yohei Tasaki, Yasuyuki Takata, Makoto Hirasawa, Takafumi Seto, Masamichi Kohno
    • Journal Title

      Proceeding of the 3rd International Forum on Heat Transfer

      Volume: IFHT2012-186(CD-ROM) Pages: 186

  • [Journal Article] CNT systhesis in gas flow with size selected metal paerticles under low pressure2012

    • Author(s)
      Kazuhide SHIBATA, Yasuyuki TAKATA, Makoto HIRASAWA, Takafumi SETO, Masamichi KOHNO
    • Journal Title

      Proceedings of the 24th International Symposium on Transport Phenomena

      Volume: (CD-ROM) Pages: 2012

  • [Presentation] SIZE CLASSIFICATION OF CNTS BY DIAMETER AND LENGTH IN LOW PRESSURE2013

    • Author(s)
      Tatsuya HISATSUGU, Kazuhide SHIBATA, Yasuyuki TAKATA, Makoto HIRASAWA, Takafumi SETO, Masamichi KOHNO
    • Organizer
      The 24th International Symposium on Transport Phenomena
    • Place of Presentation
      Yamaguchi, Japan
    • Year and Date
      20131100
  • [Presentation] CNT systhesis in gas flow with size selected metal paerticles under low pressure2012

    • Author(s)
      Kazuhide SHIBATA, Yasuyuki TAKATA, Makoto HIRASAWA, Takafumi SETO, Masamichi KOHNO
    • Organizer
      The 24th International Symposium on Transport Phenomena
    • Place of Presentation
      Nagasaki, Japan
    • Year and Date
      20121100
  • [Presentation] CNT systhesis in gas flow with size selected metal paerticles under low pressure2012

    • Author(s)
      Kazuhide SHIBATA, Yasuyuki TAKATA, Makoto HIRASAWA, Takafumi SETO, Masamichi KOHNO
    • Organizer
      Proceedings of the 24th International Symposium on Transport Phenomena
    • Place of Presentation
      New Zealand
    • Year and Date
      20121100
  • [Presentation] 水晶基板上での水平配向単層カーボンナノチューブの成長過程2012

    • Author(s)
      井ノ上泰輝,長谷川大祐,Saifullah Badar,千足昇平,丸山茂夫
    • Organizer
      第49回日本伝熱シンポジウム
    • Place of Presentation
      富山
    • Year and Date
      20120500

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Published: 2015-06-25  

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