Trap States of Tris-8-(Hydroxyquinoline)Aluminum Degraded by Blue Laser Using Thermally Stimulated Current Method
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概要
- 論文の詳細を見る
We investigated the photodegradation phenomena of tris-8-(hydroxyquinoline)aluminum (Alq3) film after irradiation with a blue laser of 442 nm to identify the contributions of the excited states of Alq3 molecules. The photodegraded Alq3 film showed decreases in fluorescence lifetime and carrier transport ability markedly. These photodegradation phenomena are considered to be due to an increase in the energy distribution of trap states detected from the analysis by a thermally stimulated current (TSC) method, in connection with the orientation of neighboring Alq3 molecules, e.g., the disordered aggregation states of Alq3 molecules.
- 2003-09-15
著者
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TAKADA Masamitsu
Department of Electrical Engineering, Faculty of Engineering, Osaka Institute of Technology
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Hamagaki Manabu
The Institute Of Physical And Chemical Research
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Kawai Tatsundo
Advanced Materials Research Center Canon Inc.
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Sakakibara Takeshi
Department Of Electric Electronic And Communication Engineering Faculty Of Science And Engineering C
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Maeta Shigeyoshi
Department Of Electrical Engineering Faculty Of Engineering Osaka Institute Of Technology
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Hashimoto Yuichi
Advanced Material Research Center Canon Inc.
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Hamagaki Manabu
The Institute of Physical and Chemical Research (RIKEN), 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Hashimoto Yuichi
Advanced Materials Research Center, Canon Inc., 3-30-2 Shimomaruko, Ota-ku, Tokyo 146-8501, Japan
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Takada Masamitsu
Department of Electrical Engineering, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan
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Kawai Tatsundo
Advanced Materials Research Center, Canon Inc., 3-30-2 Shimomaruko, Ota-ku, Tokyo 146-8501, Japan
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Maeta Shigeyoshi
Department of Electrical Engineering, Faculty of Engineering, Osaka Institute of Technology, 5-16-1 Omiya, Asahi-ku, Osaka 535-8585, Japan
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