2010 Fiscal Year Final Research Report
High performance organic field effect transistors using polydiactyelene solid-state polymerized films
| Project/Area Number |
20245046
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Polymer/Textile materials
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| Research Institution | Kyushu University |
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Principal Investigator |
ADACHI Chihaya Kyushu University, 工学研究院, 教授 (30283245)
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| Co-Investigator(Kenkyū-buntansha) |
YAHIRO Masayuki 九州大学, 未来化学創造センター, 助教 (40432877)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 有機FET / ポリジアセチレン / 移動度 / 固相重合 / LB膜 |
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| Research Abstract |
The highest carrier mobility of polydiacetylene (PDA) thin films in field-effect transistors has been limited to less than 0.8cm^2 V-1 s-1, although the main chain conduction should show higher carrier mobility potentially. We revealed that the cause of the low carrier mobility is due to the presence of local upheaval regions generated by the volume change through the polymerization process of diacetylene monomers. In order to suppress the occurrence of the upheaval regions, we found that electron beam (EB) irradiation is effective, resulted in the highest carrier mobility of μmax=3.8cm^2V-1 s-1.
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[Journal Article] A high mobility ambipolar field effect transistor using a 2,6-diphenylbenzo[1,2-b:4,5-b']diselenophene/fullerene double layer2008
Author(s)
S.Kinoshita, T.Sakanoue, M.Yahiro, K.Takimiya, H.Ebata, M.Ikeda, H.Kuwabara, C.Adachi
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Journal Title
Solid State Comm. 145
Pages: 114-117
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