Vapor Deposition Polymerization and Electrical Characterization of TPD Thin Films
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概要
- 論文の詳細を見る
Thin films of a divinyl derivative of tetraphenyldiaminobiphenyl DvTPD were prepared by vapor deposition followed by annealing. After annealing at 200°C for 1h, the film became practically insoluble to organic solvents due to polymerization. Electrical characteristics of the films were measured by current-voltage measurement, time-of-flight measurement, and dielectric measurement. It was found that the hole mobility of DvTPD decreases when the film is polymerized. As a consequence of the decrease of hole mobility, carrier balance in the emissive layer of an organic light emitting diode (OLED) was improved, leading to a higher quantum efficiency and a pure emission spectrum. The dielectric measurement also confirmed the high thermal stability of the polymerized film.
- 2011-02-01
著者
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MUROYAMA Masakazu
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technolog
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TAJIRI Ayako
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technolog
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ICHIDA Kyoko
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technolog
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OTSUKI Eiji
Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technolog
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Usui Hiroaki
Department Of Material Systems Engineering Tokyo University Of Agriculture And Technology
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Tanaka Kuniaki
Department Of Biological Science Faculty Of Agriculture Shizuoka University
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Yokokura Seiji
Department Of Organic And Polymer Materials Chemistry Tokyo University Of Agriculture And Technology
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Otsuki Eiji
Department Of Organic And Polymer Materials Chemistry Tokyo University Of Agriculture And Technology
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Tajiri Ayako
Department Of Organic And Polymer Materials Chemistry Tokyo University Of Agriculture And Technology
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Muroyama Masakazu
Department Of Organic And Polymer Materials Chemistry Tokyo University Of Agriculture And Technology
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Ichida Kyoko
Department Of Organic And Polymer Materials Chemistry Tokyo University Of Agriculture And Technology
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