Solution-Processable Carbazole-Based Conjugated Dendritic Hosts for Power-Efficient Blue-Electrophosphorescent Devices

被引:140
作者
Ding, Junqiao [1 ]
Zhang, Baohua [1 ,2 ]
Lue, Jianhong [1 ]
Xie, Zhiyuan [1 ]
Wang, Lixiang [1 ]
Jing, Xiabin [1 ]
Wang, Fosong [1 ]
机构
[1] Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
基金
中国国家自然科学基金;
关键词
LIGHT-EMITTING DEVICES; CYCLOMETALATED IR COMPLEXES; IRIDIUM COMPLEXES; ENERGY-TRANSFER; TRIPLET EMITTERS; POLYMERS; DIODES; MOLECULES; DENDRONS; LEVEL;
D O I
10.1002/adma.200902328
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A novel class of hosts suitable for solution processing has been developed based on a conjugated dendritic scaffold. By increasing the dendron generation, the highest occupied molecular orbital (HOMO) energy level can be tuned to facilitate hole injection, while the triplet energy remains at a high level, sufficient to host high-energy-triplet emitters. A power-efficient blue-electrophosphorescent device based on H2 (see figure) is presented.
引用
收藏
页码:4983 / +
页数:5
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