Phosphorescent Organic Light-emitting Devices: Triplet Energy Management
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概要
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This review paper describes the device performance and light-emission mechanism for phosphorescent organic light-emitting devices (OLEDs), as well as energy transfer processes in phosphorescent host-guest systems. The characteristics of a green phosphorescent OLED, with representative guest and host materials, are presented and its working mechanism is discussed. To improve the emission efficiency, the confinement of triplet energy in the guest molecules is demonstrated for a blue phosphorescent OLED. Photoluminescence phenomena in phosphorescent host-guest systems are presented, and the energy transfers between the host and guest molecules are also discussed.
- 公益社団法人 電気化学会の論文
著者
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TANAKA Isao
NHK Science and Technical Research Laboratories
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Tokito Shizuo
Nhk Sci. And Technical Res. Laboratories
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TOKITO Shizuo
NHK Science & Technical Research Laboratories
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