Molecular scale understanding of dissolution/precipitation processes of organic crystal to ionic liquid
Project/Area Number |
26620008
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Research Category |
Grant-in-Aid for Challenging Exploratory Research
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Allocation Type | Multi-year Fund |
Research Field |
Physical chemistry
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Research Institution | Osaka University |
Principal Investigator |
Fukui Ken-ichi 大阪大学, 基礎工学研究科, 教授 (60262143)
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Co-Investigator(Renkei-kenkyūsha) |
TAKEYA Junichi 東京大学, 新領域創成科学研究科, 教授 (20371289)
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Research Collaborator |
MIYAMOTO Hiroo
BANDO Ken-ichi
CHUJO Fumiya
MORINO Yusuke
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Project Period (FY) |
2014-04-01 – 2017-03-31
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Project Status |
Completed (Fiscal Year 2016)
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Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2014: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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Keywords | イオン液体 / 溶解・析出プロセス / 有機半導体 / 界面制御 / 電界効果トランジスタ / 電解効果トランジスタ / 溶出・析出プロセス |
Outline of Final Research Achievements |
By using frequency modulation AFM technique in ionic liquid, we have achieved a highly precise patterning of organic semiconductor at one molecular depth resolution and at a few nm lateral resolution in any desired shape. Novel phenomena what we found for the electric double layer field effect transistor using rubrene single crystal with an ionic liquid was the spontaneous increase of the hole mobility at the interface by spontaneous formation of an ideally flat interface by dissolution of rubrene molecules into the ionic liquid, which is restricted only at the heterogeneous sites.
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Report
(4 results)
Research Products
(67 results)
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[Journal Article] Gradual Improvements of Charge Carrier Mobility at Ionic Liquid/Rubrene Single Crystal Interfaces2016
Author(s)
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken-ichi Bando, Sakurako Ono, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
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Journal Title
Appl. Phys. Lett.
Volume: 108
Issue: 8
Pages: 083113-083113
DOI
Related Report
Peer Reviewed / Open Access / Acknowledgement Compliant
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[Presentation] 電気二重層トランジスタの微視的理解に向けた周波数変調AFM及び古典MD計算によるイオン液体/有機半導体界面の構造評価2016
Author(s)
横田 泰之, 原 援又, 森野 裕介, 坂東 賢一, 大野 桜子, 宮本 洋雄, 今西 哲士, 稲垣 耕司, 森川 良忠, 岡田 悠悟, 松井 弘之, 植村 隆文, 竹谷 純一, 福井 賢一
Organizer
第77回応用物理学会秋季学術講演会
Place of Presentation
朱鷺メッセ(新潟県・新潟市)
Year and Date
2016-09-13
Related Report
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[Presentation] Combined AFM and MD Simulation Studies of Electric Double Layer OFET Based on Ionic Liquid / Rubrene Single Crystal Interface2016
Author(s)
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken-ichi Bando, Sakurako Ono, Hiroo Miyamoto, Akihito Imanishi, Kouji Inagaki, Yoshitada Morikawa, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
Organizer
KJF-ICOMEP 2016
Place of Presentation
ACROS Fukuoka(福岡県・福岡市)
Year and Date
2016-09-04
Related Report
Int'l Joint Research
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[Presentation] Spontaneous Hole Mobility Increase for Organic Field Effect Transistor using Ionic Liquid/ Pentacene Single Crystal Interface2015
Author(s)
Sakurako Ono, Ken-ichi Bando, Yusuke Morino, Hisaya Hara, Akihito Imanishi, Yasuyuki Yokota, Yugo Okada, Takafumi Uemura, Hiroyuki Matsui, Jun Takeya, Ken-ichi Fukui
Organizer
3rd Kansai Nanoscience and Nanotechnology and 11th Handai Nanoscience and nanotechnology International Symposium
Place of Presentation
大阪大学(大阪府吹田市)
Year and Date
2015-12-08
Related Report
Int'l Joint Research
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[Presentation] Structural Investigations of Electric Double Layer Transistors: Relation between Microscopic Structures and Device Performances2014
Author(s)
Yasuyuki Yokota, Hisaya Hara, Tomohiro Harada, Yusuke Morino, Ken-ichi Bando, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
Organizer
1st International Symposium on Interactive Materials Science Cadet Program (iSIMSC-1)
Place of Presentation
ホテル阪急エキスポパーク
Year and Date
2014-11-17 – 2014-11-19
Related Report
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[Presentation] Microscopic Studies of Ionic Liquid / Rubrene Single Crystal Interfaces for High-Performance Electric Double Layer Transistors2014
Author(s)
Yasuyuki Yokota, Hisaya Hara, Yusuke Morino, Ken-ichi Bando, Tomohiro Harada, Akihito Imanishi, Yugo Okada, Hiroyuki Matsui, Takafumi Uemura, Jun Takeya, Ken-ichi Fukui
Organizer
7th International Symposium on Surface Science (ISSS-7)
Place of Presentation
くにびきメッセ(松江)
Year and Date
2014-11-02 – 2014-11-06
Related Report
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