Poly(3-hexylthiophene) Thin-Film Transistors with Dual insulator Layers
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概要
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Poly(3-hexylthiophene) thin-film transistors with anodized high-dielectric constant ($\kappa$) tantalum pentoxide (Ta2O5) and spin-coated poly(4-vinylphenol) (PVP) film dual insulator layers were demonstrated. The polymeric PVP layer covering the Ta2O5 can considerably improve the transistor performance. The mobility was increased up to $3.07\times 10^{-2}$ cm2/(V$\cdot$s), which is much higher than that obtained by only using a PVP or Ta2O5 single dielectric layer. The threshold voltage of the dual-insulator device was as low as 1.7 V, because the Ta2O5 insulator possesses a high-dielectric constant.
- 2007-03-15
著者
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Peng Junbiao
Institute Of Polymer Optoelectronic Materials And Devices Key Laboratory Of Special Functional Mater
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ZHOU Jianlin
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Ma
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Liu Yurong
Institute Of Polymer Optoelectronic Materials And Devices Key Laboratory Of Specially Functional Mat
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Cao Yong
Institute Of Polymer Optoelectronic Materials And Devices Key Laboratory Of Special Functional Mater
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Yang Kaixia
Institute Of Polymer Optoelectronic Materials And Devices Key Laboratory Of Specially Functional Mat
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Zhou Jiangang
Institute Of Polymer Optoelectronic Materials And Devices Key Laboratory Of Specially Functional Mat
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Peng Junbiao
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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Zhou Jianlin
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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Cao Yong
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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Yang Kaixia
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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Liu Yurong
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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Zhou Jiangang
Institute of Polymer Optoelectronic Materials and Devices, Key Laboratory of Specially Functional Materials and Advanced Manufacturing Technology of Ministry of Education, South China University of Technology, Guangzhou 510640, China
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