Local doping to organic semiconductors
| Project/Area Number |
23656011
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Applied materials science/Crystal engineering
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Project Period (FY) |
2011 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 有機 / 分子エレクトロニクス / 分子性固体 / 有機トランジスタ / 電気二重奏トランジスタ / 有機半導体 / カーボンナノチューブ / 電界効果トランジスタ / 電気二重層 |
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| Research Abstract |
Dependence on carrier concentration of carrier mobility and contact resistance of carrier injection from a metal electrode were measured for organic semiconductor single crystals. The carrier concentration was controlled by an electric double-layer transistor (EDLT)structure employing an ionic liquid as an electrolyte. The contact resistance from a gold electrode to the organic semiconductor firstly decreased by increasing the carrier concentration, and then increased by increasing the carrier concentration. The carrier concentration dependence of the contact resistance is inversely proportional to that of carrier mobility. This behavior is well explained by the diffusion-limited thermionic emission model.
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Report
(3 results)
Research Products
(30 results)
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[Journal Article] Strain-Mediated Phase Control and Electrolyte-Gating of Electron-Doped Manganites2011
Author(s)
P.H.Xiang, S.Asanuma, H.Yamada, I.H. Inoue, H.Sato, H.Akoh, A.Sawa, K.Ueno, H.T.Yuan, H.Shimotani, M.Kawasaki, Y.Iwasa
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Journal Title
Advanced Materials
Volume: 23
Issue: 48
Pages: 5822-5827
DOI
Related Report
Peer Reviewed
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