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

✍ Scribed by Junqiao Ding; Baohua Zhang; Jianhong Lü; Zhiyuan Xie; Lixiang Wang; Xiabin Jing; Fosong Wang

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 148 KB
Volume: 21
Category: Article
ISSN: 0935-9648
DOI: 10.1002/adma.200902328

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✦ Synopsis

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 is presented.

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