Bipolar Behavior in a Near UV Electroluminescent Silicon Polymer (第5回日韓台中情報ディスプレイ合同研究会(ASID '99)) -- (Organic LED)
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概要
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To better understand the transporting behavior of carriers in polymer LEDs, a near-ultraviolet electoluminescent polymer, poly[bis(p-butylphenyl)silane]^2, was investigated by means of time-of-flight method. The signal of carrier migration was detected when the pulsed coherent light at 387 nm was illuminated on the high electric field charged polymer thin film. It shows a hole drift mobility of 1x10^<-4>cm^2/Vs, a typical phenomenon often observed in polysilanes. For an oppositely charged polymer film, an intense signal appeared although there was no indication of electron migration. It strongly suggests that electrons are readily injected into the polymer film. Thus, the bipolar nature of the described polymer facilitates the injection of electrons and holes into the polymer matrix and leads to the occurrence of an efficient electroluminescence in spite of a single-layer diode structure.
- 社団法人映像情報メディア学会の論文
- 1999-03-18
著者
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Yuan Chien-hua
Materials Research Laboratories Industrial Technology Research Institute
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Yuan Chien-hua
Department Of Chemistry University Of Wisconsin
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Hoshino Satoshi
Ntt Basic Research Laboratories
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FURUKAWA Kazuaki
NTT Basic Research Laboratories
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MATSUMOTO Nobuo
NTT Basic Research Laboratories
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Suzuki H
Ntt Photonics Laboratories Ntt Corporation
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Suzuki H
Ntt Basic Research Laboratories
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Suzuki Hiroyuki
NTT Basic Research Laboratories
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Hoshino Satoshi
Materials Research Laboratories, Industrial Technology Research Institute
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- Bipolar Behavior in a Near UV Electroluminescent Silicon Polymer (第5回日韓台中情報ディスプレイ合同研究会(ASID '99)) -- (Organic LED)
- Bipolar Behavior in a Near UV Electroluminescent Silicon Polymer
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