Poly(methyl methacrylate) Dielectric Material Applied in Organic Thin Film Transistors
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概要
- 論文の詳細を見る
The properties of pentacene-based organic thin film transistors (OTFTs) with poly(methyl methacrylate) (PMMA) as a dielectric layer have been investigated. Toluene was the best solvent for PMMA and the concentration of PMMA was about 8 wt % in toluene. The dielectric constant of PMMA dissolved in toluene was about 2.3. The pentacene film on the PMMA dielectric layer displayed high thin-film quality according to results of atomic force microscopy. The average grain size and surface roughness of pentacene grown on PMMA were about 0.29 μm2 and 10.26 nm, respectively. The pentacene-based OTFTs with PMMA as a dielectric layer exhibited excellent electric characteristics, including a high mobility of 0.241 cm2 V-1 s-1 or larger, an on/off current ratio of $2\times 10^{4}$ or larger, and a threshold voltage of less than $-5.6$ V.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-04-25
著者
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Su Yan-kuin
Advanced Optoelectronic Technology Center Institute Of Microelectronics Department Of Electrical Eng
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Huang Tsung-Syun
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University, Tainan 701, Taiwan
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Wang Po-Cheng
Advanced Optoelectronic Technology Center, Institute of Microelectronics, Department of Electrical Engineering, National Cheng Kung University, Tainan 701, Taiwan
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- Poly(methyl methacrylate) Dielectric Material Applied in Organic Thin Film Transistors