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Synthesis of "Interconnected" carbon nanotube for a stress sensor

Research Project

Project/Area Number 16K14106
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Device related chemistry
Research InstitutionNational Institute of Advanced Industrial Science and Technology

Principal Investigator

Shimada Satoru  国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 主任研究員 (10357204)

Co-Investigator(Kenkyū-buntansha) 阿澄 玲子  国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 副研究部門長 (40356366)
周 英  国立研究開発法人産業技術総合研究所, エレクトロニクス・製造領域, 主任研究員 (80738071)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2018: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
KeywordsCarbon nanotube / transparent film / sheet resitance / dopant / カーボンナノチューブ / 透明導電膜 / 導電率 / ドーピング / ナノチューブ
Outline of Final Research Achievements

Iodide compounds and metals were considered as new dopants for carbon nanotubes (CNT). After Xenon light short pulse irradiation (photonic curing), most of the sheet resistances of CNT films decreased. In particular, with iodide compounds, it becomes easy to construct an "interconnected" CNT structure. By optimizing the light irradiation parameters, CNT transparent conductive film of 84 Ω/square for 84% transmittance was obtained. Also in the high temperature and high humidity environment accelerated test(85°C and 85%humidity), the conductivity of the film was maintained. In addition, by using a polymeric acid that exhibits both dispersant and dopant functions, it is possible to produce a highly conductive CNT films simply by applying it to a substrate.

Academic Significance and Societal Importance of the Research Achievements

カーボンナノチューブ(CNT)は、高強度で高耐熱性であり化学的安定性にも優れた材料であるが、応力センサとして利用するためには、添加剤(ドーパント)、導電性、耐熱性・耐久性の改善が必要であった。今回、申請者らが開発した新規ドーパントとパルス光照射の組み合わせ工程は、応力センサーに必要な諸性能を実現するうえで効果的な手法となる。また、この知見を受けて、新たに開発に成功した分散剤とドーパントの両機能を有する高分子酸は、塗布しただけで応力センサーに適した高性能CNT膜を形成することできる画期的な手法であり、その耐久性も高いことが明らかとなった。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Products Report
  • Research Products

    (9 results)

All 2024 2019 2018 2017 2016

All Journal Article (4 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (2 results) (of which Invited: 1 results) Patent(Industrial Property Rights) (3 results)

  • [Journal Article] A highly durable, stretchable, transparent and conductive carbon nanotube; polymeric acid hybrid film2019

    • Author(s)
      Ying Zhou, Reiko Azumi and Satoru Shimada
    • Journal Title

      Nanoscale

      Volume: 9 Issue: 9 Pages: 3804-3813

    • DOI

      10.1039/c8nr08399a

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Stable iodide doping induced by photonic curing for carbon nanotube transparent conductive films2018

    • Author(s)
      Wachi Atsushi、Nishikawa Hiroyuki、Zhou Ying、Azumi Reiko
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 57 Issue: 6 Pages: 065101-065101

    • DOI

      10.7567/jjap.57.065101

    • NAID

      210000149122

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stable iodide doping induced by photonic curing for carbon nanotube transparent conductive films2018

    • Author(s)
      Atsushi Wachi, Hiroyuki Nishikawa, Ying Zhou, and Reiko Azumi
    • Journal Title

      Japanese Journal of Applied Physics 印刷中

      Volume: -

    • NAID

      210000149122

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Carbon nanotube based transparent conductive films: progress, challenges, and perspectives2016

    • Author(s)
      周 英、阿澄 玲子
    • Journal Title

      SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS

      Volume: 17 Issue: 1 Pages: 493-516

    • DOI

      10.1080/14686996.2016.1214526

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] カーボンナノチューブを用いた透明導電膜2017

    • Author(s)
      周英
    • Organizer
      プラスチック成形加工学会
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] カーボンナノチューブを用いた透明導電膜2016

    • Author(s)
      周 英,島田 悟,阿澄 玲子,則包 恭央
    • Organizer
      第65回高分子討論会
    • Place of Presentation
      神奈川大学
    • Year and Date
      2016-09-14
    • Related Report
      2016 Research-status Report
  • [Patent(Industrial Property Rights)] カーボンナノチューブ分散液2024

    • Inventor(s)
      周 英、阿澄 玲子
    • Industrial Property Rights Holder
      国立研究開発法人産業技術総合研究所
    • Industrial Property Rights Type
      特許
    • Acquisition Date
      2024
    • Related Report
      Products Report
  • [Patent(Industrial Property Rights)] カーボンナノチューブ分散液およびカーボンナノチューブ複合膜2019

    • Inventor(s)
      周英、阿澄玲子
    • Industrial Property Rights Holder
      周英、阿澄玲子
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2019-065037
    • Filing Date
      2019
    • Related Report
      2018 Annual Research Report
  • [Patent(Industrial Property Rights)] 導電性カーボンナノチューブ複合膜2018

    • Inventor(s)
      和知敦史、周英、阿澄玲子
    • Industrial Property Rights Holder
      和知敦史、周英、阿澄玲子
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2018-035737
    • Filing Date
      2018
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2025-03-27  

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