Observation of Electron Injection into Organic Field-Effect Transistor with Au Electrodes using Electroluminescence under AC Electric Field
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概要
- 論文の詳細を見る
The electroluminescence (EL) from a tetracene field-effect transistor was examined by applying an AC voltage to elucidate electron injection from the source and drain Au electrodes. The EL intensity was proportional to the AC frequency up to 500 kHz, but it decayed rapidly with elapsed time when applying the AC voltage. The EL spectrum corresponded well with the photoluminescence spectrum. These results indicate that holes and electrons are injected into the tetracene alternately in accordance with the AC applied voltage, and that the EL is radiated due to the recombination of the injected holes and electrons, while the space charge formation leading to the gradual decay of the EL proceeds owing to the accumulation and trapping of excessive injected carriers.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-02-25
著者
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Lim Eunju
Department Of Physical Electronics Tokyo Institute Of Technology
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Manaka Takaaki
Department Of Physical Electronics Graduate School Of Science And Engineering Tokyo Institute Of Tec
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Iwamoto Mitsumasa
Department Of Electrical And Electronic Engineering
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Ohshima Yuki
Department Of Dermatology Tokyo Medical University
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Ohshima Yuki
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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Kohn Hideki
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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Iwamoto Mitsumasa
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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KOHN Hideki
Department of Physical Electronics, Graduate School of Science and Engineering, Tokyo Institute of Technology
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