期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 21, 期 11, 页码 3551-3553出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm03645e
关键词
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资金
- National Basic Research Program of China (973 Program) [2009CB623600]
- Natural Science Foundation of China [50733002, 50903036]
- Jilin Provincial Science and Technology Bureau of Jilin Province [20070107]
- 111 Project [B06009]
- Grants-in-Aid for Scientific Research [21225004] Funding Source: KAKEN
A high-efficiency and pure white OLED has been realized by only doping one novel phosphorescent orange-light-emitting complex (bzq)(2)Ir(dipba) into a suitable deep-blue-emitting fluorescent complex Bepp(2) as an emissive layer. The highest efficiency for white OLEDs with a simple HTL-EML-ETL architecture, with a peak power efficiency (PE) of 48.8 lm W-1 and a peak external quantum efficiency (EQE) of 27.8%, has been realized by employing both singlet and triplet excitons for emission. The PE and EQE at the applicable brightness of 1000 cd m(-2) are 37.5 lm W-1 and 36.8%, respectively.
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