Performance Improvement of Pentacene Organic Thin Film Transistor by Inserting 1,1'-Bis(di-4-tolylaminophenyl) Cyclohexane Hole Transport Buffer Layer
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概要
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Organic thin film transistors (OTFTs) were fabricated by inserting various thickness of 1,1'-bis(di-4-tolylaminophenyl) cyclohexane (TAPC) hole transport layer (HTL) between pentacene and source/drain electrodes. Compared to the OTFTs without a HTL, these devices with optimum thickness TAPC HTL not only showed a decrease of threshold voltage (V_{\text{T}}) but also presented an enhancement of charge carrier mobility. The performance enhancement of OTFTs was ascribed to an increase of bulk hole transport properties in continuous film of HTL, which was analyzed by the variation trend of total resistance and contact resistance at metal--organic interface.
- 2011-10-25
著者
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Yu Junsheng
State Key Laboratory And Institute Of Coordination Chemistry Department Of Chemistry Nanjing Univers
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Jiang Yadong
State Key Lab Of Electronic Thin Films And Integrated Devices University Of Electronic Science And T
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Zhou Jianlin
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China
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Yu Junsheng
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China
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Wang Han
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China
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Cheng Luhua
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China
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Yu Xinge
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), Chengdu 610054, P. R. China
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