2013 Fiscal Year Final Research Report
Development of a novel measurement method for anisotropy of carrier mobility in organic semiconductors
| Project/Area Number |
24655164
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Functional materials/Devices
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| Research Institution | Yamagata University |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Keywords | 有機エレクトロニクス / キャリア移動度 / キャリア濃度 / CELIV法 / 有機トランジスタ / 有機太陽電池 |
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| Research Abstract |
We systematically investigated carrier mobilities of organic semiconductor films in the lateral and vertical direction, and effects of film structure and carrier mobility anisotropy on device performances. We also proposed a novel mobility measurement method of Injected CELIV that enables us to estimate thin-film mobilities for organic materials having less thermal-equilibrium carrier concentration. We discussed the relationship among film structure, anisotropy of carrier mobility, and device performances in the vertical-type organic transistors and organic photovoltaic devices where the vertical motility plays an important role.
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[Journal Article] Solution-processed anthradithiophene-PCBM p-n junction photovoltaic cells fabricated by using the photoprecursor method2014
Author(s)
H. Yamada, Y. Yamaguchi, R. Katoh, T. Motoyama, T. Aotake, D. Kuzuhara, M. Suzuki, T. Okujima, H. Uno, N. Aratani, and K. Nakayama
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Journal Title
Chem. Commun
Volume: 49
Pages: 11638-11640
Peer Reviewed
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