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基于 3,3'-双咔唑的主体材料用于高效率蓝色磷光 OLED，具有极低的驱动电压。

3,3'-Bicarbazole-based host materials for high-efficiency blue phosphorescent OLEDs with extremely low driving voltage.

机构信息

Department of Organic Device Engineering, Research Center for Organic Electronics, Yamagata university, Yonezawa, Japan.

出版信息

Adv Mater. 2012 Jun 26;24(24):3212-7. doi: 10.1002/adma.201200848. Epub 2012 May 29.

DOI:10.1002/adma.201200848
PMID:22641472
Abstract

Four types of functionalized 3,3'-bicarbazole derivatives are prepared and investigated as a host material for blue phosphorescent OLEDs. By using a 3,3'-bicarbazole derivative/FIrpic film as an emissive layer, high power efficiency of 46 lm W(-1) (45 cd A(-1), EQE 20%) with an extremely low driving voltage at 3.1 V is obtained at 100 cd m(-2).

摘要

四种功能化 3,3'-联咔唑衍生物被制备并用作蓝色磷光 OLED 的主体材料进行了研究。以 3,3'-联咔唑衍生物/FIrpic 薄膜作为发光层，在 100 cd m(-2)时，可获得 46 lm W(-1)（45 cd A(-1)，EQE 20%）的高光功率效率和 3.1 V 的极低驱动电压。

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