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Investigation on omeration mecanism of low-voltage organic field-effect transistors and its application to development of sensing device

Research Project

Project/Area Number 18K05256
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 35030:Organic functional materials-related
Research InstitutionKokushikan University (2019-2020)
Japan Advanced Institute of Science and Technology (2018)

Principal Investigator

Sakai Heisuke  国士舘大学, 理工学部, 准教授 (30580401)

Project Period (FY) 2018-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords有機薄膜トランジスタ / 有機半導体 / 高分子絶縁膜 / 有機エレクトロニクス / 有機トランジスタ / 溶液プロセス / 有機電界効果トランジスタ / フレキシブルデバイス / 低電圧駆動 / センサ
Outline of Final Research Achievements

Through the research to investigate the operation mechanism of the low-voltage Organic thin-film transistors (OTFT), our result suggested the crystallinity of the semiconductor layer is key to the low-voltage operation of the OTFT. On the other hand, the quantitative evaluation of the hetero interface (polymer-small molecule interface, semiconductor layer-insulating layer interface) and carrier traps existing inside the semiconductor layer in the OTFT did not proceed as planned. We will continue to study this point. With regard to investigation on choice of insulator materials, we were able to discover promising materials that would lead to low voltage operation of OTFTs.
Regarding the application of OTFTs to sensing devices, the flexible OTFT based sensors have been successfully fabricated, such as pressure sensors and strain sensors.

Academic Significance and Societal Importance of the Research Achievements

電子機器の駆動に必要なトランジスタ等の電子デバイスが低電圧で動くと電子機器の低消費電力化に直結するため、トランジスタの低電圧化は重要な研究開発課題となる。本研究では、有機半導体材料を用いた有機トランジスタが低電圧で駆動するための機構の解明を目指した。本研究を通して、半導体材料の高結晶化と適切な絶縁層材料の選択が有機トランジスタの低電圧化に有望であるという結果が示唆された。絶縁層材料については、生物由来材料において有望な材料を発見することができた。このような材料をトランジスタに応用することで、環境負荷の小さいデバイスの作製に繋がる。
柔軟なセンサーの開発はウェアラブル機器などへの応用が期待される。

Report

(4 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (28 results)

All 2021 2020 2019 2018 Other

All Int'l Joint Research (3 results) Journal Article (13 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 7 results,  Open Access: 1 results) Presentation (12 results) (of which Int'l Joint Research: 8 results,  Invited: 2 results)

  • [Int'l Joint Research] UTC(ベトナム)

    • Related Report
      2020 Annual Research Report
  • [Int'l Joint Research] UTC(ベトナム)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] UTC(ベトナム)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Layer formation of 2,5-dihydroxybenzoic acid crystals via mist deposition for mass spectrometry imaging of biological samples2021

    • Author(s)
      Nakabayashi Yuji、Sakai Heisuke、Miyazato Akio、Shijimaya Chiko、Suzuki Ryoichi、Yamada Satoru
    • Journal Title

      Applied Physics Express

      Volume: 14 Issue: 2 Pages: 026502-026502

    • DOI

      10.35848/1882-0786/abd6a1

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Electromechanically Active As‐Electrospun Polystyrene Fiber Mat: Significantly High Quasistatic/Dynamic Electromechanical Response and Theoretical Modeling2020

    • Author(s)
      Ishii Yuya、Yousry Yasmin Mohamed、Nobeshima Taiki、Iumsrivun Chonthicha、Sakai Heisuke、Uemura Sei、Ramakrishna Seeram、Yao Kui
    • Journal Title

      Macromolecular Rapid Communications

      Volume: 41 Issue: 14 Pages: 2000218-2000218

    • DOI

      10.1002/marc.202000218

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Controlling the concentration gradient in sequentially deposited bilayer organic solar cells via rubbing and annealing2020

    • Author(s)
      Abdul Aziz Mohd Zaidan、Higashimine Koichi、Shioya Nobutaka、Shimoaka Takafumi、Hasegawa Takeshi、Sakai Heisuke、Vohra Varun、Murata Hideyuki
    • Journal Title

      RSC Advances

      Volume: 10 Issue: 61 Pages: 37529-37537

    • DOI

      10.1039/d0ra05991a

    • NAID

      120006893986

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Low switching voltage, high-stability organic phototransistor memory based on a photoactive dielectric and an electron trapping layer2020

    • Author(s)
      Dao Toan Thanh、Sakai Heisuke、Ohkubo Kei、Fukuzumi Shunichi、Murata Hideyuki
    • Journal Title

      Organic Electronics

      Volume: 77 Pages: 105505-105505

    • DOI

      10.1016/j.orgel.2019.105505

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Fabrication of the Flexible Dual-Gate OFET Based Organic Pressure Sensor2019

    • Author(s)
      ISHIKAWA Tatsuya、SAKAI Heisuke、MURATA Hideyuki
    • Journal Title

      IEICE Transactions on Electronics

      Volume: E102.C Issue: 2 Pages: 188-191

    • DOI

      10.1587/transele.2018OMS0013

    • NAID

      130007586601

    • ISSN
      0916-8524, 1745-1353
    • Year and Date
      2019-02-01
    • Related Report
      2018 Research-status Report
  • [Journal Article] Patterning of OLED Glass Substrate for Improving Light Outcoupling Efficiency2019

    • Author(s)
      LLOYD Savanna、TANIGAWA Tatsuya、SAKAI Heisuke、MURATA Hideyuki
    • Journal Title

      IEICE Transactions on Electronics

      Volume: E102.C Issue: 2 Pages: 180-183

    • DOI

      10.1587/transele.2018OMS0010

    • NAID

      130007600630

    • ISSN
      0916-8524, 1745-1353
    • Year and Date
      2019-02-01
    • Related Report
      2018 Research-status Report
  • [Journal Article] Application of Gold Powder Made from Gold Leaf for Conductive Inks2019

    • Author(s)
      YAMASHITA Sayaka、SAKAI Heisuke、MURATA Hideyuki
    • Journal Title

      IEICE Transactions on Electronics

      Volume: E102.C Issue: 2 Pages: 176-179

    • DOI

      10.1587/transele.2018OMS0009

    • NAID

      130007589708

    • ISSN
      0916-8524, 1745-1353
    • Year and Date
      2019-02-01
    • Related Report
      2018 Research-status Report
  • [Journal Article] Control of Threshold Voltage and Low-Voltage Operation in Organic Field Effect Transistor2019

    • Author(s)
      ABE Yasuyuki、SAKAI Heisuke、DAO Toan Thanh、MURATA Hideyuki
    • Journal Title

      IEICE Transactions on Electronics

      Volume: E102.C Issue: 2 Pages: 184-187

    • DOI

      10.1587/transele.2018OMS0012

    • NAID

      130007588055

    • ISSN
      0916-8524, 1745-1353
    • Year and Date
      2019-02-01
    • Related Report
      2018 Research-status Report
  • [Journal Article] High electromechanical response from bipolarly charged as-electrospun polystyrene fiber mat2019

    • Author(s)
      Ishii Yuya、Kurihara Shintaro、Kitayama Ryusei、Sakai Heisuke、Nakabayashi Yuji、Nobeshima Taiki、Uemura Sei
    • Journal Title

      Smart Materials and Structures

      Volume: 28 Issue: 8 Pages: 08LT02-08LT02

    • DOI

      10.1088/1361-665x/ab2e3a

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Investigation of the sensing mechanism of dual-gate low-voltage organic transistor based pressure sensor2019

    • Author(s)
      Ogunleye Olamikunle Osinimu、Sakai Heisuke、Ishii Yuya、Murata Hideyuki
    • Journal Title

      Organic Electronics

      Volume: 75 Pages: 105431-105431

    • DOI

      10.1016/j.orgel.2019.105431

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Formation of silver particles for SERS spectroscopy by mist chemical vapor deposition method2019

    • Author(s)
      Nakabayashi Yuji、Sakai Heisuke、Suzuki Ryoichi、Yamada Satoru
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 58 Issue: 12 Pages: 120908-120908

    • DOI

      10.7567/1347-4065/ab5482

    • NAID

      210000157504

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Versatile Approach for Reducing Propagation Loss in Wet-Electrospun Polymer Fiber Waveguides2018

    • Author(s)
      Ishii Yuya、Omori Keisho、Sakai Heisuke、Arakawa Yuki、Fukuda Mitsuo
    • Journal Title

      ACS Omega

      Volume: 3 Issue: 6 Pages: 6787-6793

    • DOI

      10.1021/acsomega.8b00835

    • Related Report
      2018 Research-status Report
  • [Journal Article] Electrospun poly(methyl methacrylate) fibrous mat showing piezoelectric properties2018

    • Author(s)
      Nobeshima Taiki、Ishii Yuya、Sakai Heisuke、Uemura Sei、Yoshida Manabu
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 57 Issue: 5S Pages: 05GC06-05GC06

    • DOI

      10.7567/jjap.57.05gc06

    • NAID

      210000149087

    • Related Report
      2018 Research-status Report
  • [Presentation] Dual-gate low-voltage organic field-effect transistors for pressure sensing2019

    • Author(s)
      Heisuke Sakai
    • Organizer
      Joint 5th International Symposium on Frontiers in Materials Science & 3rd International Symposium on Nano-materials, Technology and Applications (FMS-NANOMATA 2019)
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Investigation of the sensing mechanism of the dual-gate low voltage organic transistor based pressure sensor2019

    • Author(s)
      O. O. Osinimu, H. Sakai, Y. Ishii and H. Murata
    • Organizer
      15th International thin-film transistor conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Investigation of the sensing mechanism of the dual-gate low voltage organic transistor for pressure sensing by quantitative analysis2019

    • Author(s)
      O. O. Osinimu, H. Sakai, Y. Ishii and H. Murata
    • Organizer
      第66回 応用物理学会 春季学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] 低電圧駆動有機電界効果トランジスタメモリにおけるホールトラップ容量の解析2019

    • Author(s)
      阿部泰之、酒井平祐、村田英幸
    • Organizer
      第66回 応用物理学会 春季学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Dual-gate OFET型フレキシブルひずみセンサ2019

    • Author(s)
      竹内滉生、酒井平祐、村田英幸
    • Organizer
      第66回 応用物理学会 春季学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] 金箔と金蒸着膜を原料とした金微粒子の結晶構造が導電性インクの性能に及ぼす影響2019

    • Author(s)
      山下紗也加、仲林裕司、酒井平祐、村田英幸
    • Organizer
      第66回 応用物理学会 春季学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Control of threshold voltage in a low-voltage operation organic field effect transistor2018

    • Author(s)
      Y. Abe, H. Sakai, T. T. Dao, and H. Murata
    • Organizer
      10th International Symposium on Organic Molecular Electronics (ISOME2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Application of Gold Powder made from Gold Leaf for conductive inks2018

    • Author(s)
      S. Yamashita, H. Sakai, and H. Murata
    • Organizer
      10th International Symposium on Organic Molecular Electronics (ISOME2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Fabrication of the flexible dual-gate OFET based organic pressure sensor2018

    • Author(s)
      T. Ishikawa, H. Sakai, and H. Murata
    • Organizer
      10th International Symposium on Organic Molecular Electronics (ISOME2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] A degradable Biopolymer as Dielectric for Low Voltage Solution-Processed Organic Field Effect Transistors2018

    • Author(s)
      O. O. Osinimu, Y. Yoshinaka, H. Sakai, T. Kaneko, and H. Murata
    • Organizer
      10th International Symposium on Organic Molecular Electronics (ISOME2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Effect of photo-crosslinking condition of the poly(vinyl cinnamate) gate dielectrics on the electric performance of the solution processed organic field effect transistor2018

    • Author(s)
      H. Sakai, Y. Tsuji, and H. Murata
    • Organizer
      10th International Symposium on Organic Molecular Electronics (ISOME2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Dual-gate low-voltage organic thin-film transistor for pressure sensing2018

    • Author(s)
      H.Sakai
    • Organizer
      9th International Conference on Computer Aided Design for Thin-Film Transistor Technologies (CAD-TFT 2018)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2018-04-23   Modified: 2022-01-27  

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