Dynamic control of charge carriers for high-performance organic semiconductor devices
Project/Area Number |
26706012
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Research Category |
Grant-in-Aid for Young Scientists (A)
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Allocation Type | Partial Multi-year Fund |
Research Field |
Applied materials
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Research Institution | Nagoya University (2016) Waseda University (2014-2015) |
Principal Investigator |
Sakanoue Tomo 名古屋大学, 工学(系)研究科(研究院), 准教授 (60615681)
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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 |
¥24,310,000 (Direct Cost: ¥18,700,000、Indirect Cost: ¥5,610,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2014: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
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Keywords | 有機半導体 / レーザー / イオン液体 / 電気化学発光セル / 先端機能デバイス / 電子・電気材料 / 電気化学 / 有機レーザー |
Outline of Final Research Achievements |
The use of electrochemical technique was used for controlling charge carriers dynamically in polymer semiconductor devices. High-performance polymer light-emitting electrochemical cells (LECs) were prepared and the dynamics of ionic and electronic charges were investigated, and found the response of the ion is very slow, while that of the electron is very fast. This finding enables separate control of ionic and electronic charges. By using this unique technique, high current density of 1 kA/cm2 was achieved in a light-emitting polymer. This demonstration indicate the LEC is promising for the future polymer injection laser. Furthermore, the electrochemical technique was introduced to fabricate inorganic semiconductor materials. The use of one droplet of electrolyte onto inorganic semiconductors achieved novel and simple light-emitting and light-detecting devices.
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Report
(4 results)
Research Products
(38 results)
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[Journal Article] Photodetection in p-n junctions formed by electrolyte-gated transistors of two-dimensional crystals2016
Author(s)
Daichi Kozawa, Jiang Pu, Ryo Shimizu, Shota Kimura, Ming-Hui Chiu, Keiichiro Matsuki, Yoshifumi Wada, Tomo Sakanoue, Yoshihiro Iwasa, Lain-Jong Li, Taishi Takenobu
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Journal Title
Appl. Phys. Lett.
Volume: 109
Issue: 20
Pages: 201107-201107
DOI
Related Report
Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
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[Presentation] パルスによるLECの高速駆動2015
Author(s)
伊藤 瞭太, 坂上 知, 李 金鵬, 竹延 大志
Organizer
有機EL討論会第21回例会
Place of Presentation
九州大学伊都キャンパス椎木講堂
Year and Date
2015-11-12
Related Report
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