Organic Thin-Film Transistor from a Pentacene Photoprecursor
スポンサーリンク
概要
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Organic thin-film transistors were successfully fabricated by the spin-coating method using a photo-precursor of pentacene, 6,13-dihydro-6,13-ethanopentacene-15,16-dione. After spin coating the soluble precursor, irradiation with visible light gave a pentacene film. A good mobility of 0.34 cm2 V-1 s-1 and a high on/off ratio of $2.0\times 10^{6}$ were achieved by treatment of the insulator surface with methyl silsesquioxane and by deposition of pentacene from the precursor with visible light irradiation (${>}300$ nm) and mild heat treatment (110–120 °C). In this case, small grains of pentacene crystals existed in the loosely ordered pentacene mesophase, in which pentacene molecules aligned vertically. Not only the grains of pentacene crystals but also the loosely packed pentacene phase played an important role in the field-effect transistor (FET) performance.
- 2009-05-25
著者
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Yamashita Yuko
Department Of Chemistry Graduate School Of Science The University Of Tokyo
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Uno Hidemitsu
Integrated Center For Science Ehime University
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Ono Noboru
Department Of Chemistry Faculty Of Science Ehime University
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Yamada Hiroko
Department Of Biology Faculty Of Education Saitama University:(present Address)shikamachi Junior Hig
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Uno Hidemitsu
Integrated Center for Sciences, Ehime University and CREST JST, Matsuyama 790-8577, Japan
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Okujima Tetsuo
Department of Chemistry, Faculty of Science, Ehime University, Matsuyama 790-8577, Japan
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Masumoto Akane
OD Development Center, Canon Inc., Ohta, Tokyo 146-8501, Japan
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Go Shintetsu
Materials Technology Development Center, Canon Inc., Ohta, Tokyo 146-8501, Japan
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Kikuchi Toshihiro
Materials Technology Development Center, Canon Inc., Ohta, Tokyo 146-8501, Japan
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Yamashita Yuko
Department of Chemistry, Faculty of Science, Ehime University, Matsuyama 790-8577, Japan
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