Recent progress of host materials for highly efficient blue phosphorescent OLEDs

Fangfang Wang, Youtian Tao, Wei Huang

科研成果: 期刊稿件文献综述同行评审

33 引用 (Scopus)

摘要

Phosphorescent organic light-emitting diodes (PHOLEDs) show a bright future for flat-panel displays and solidstate lighting due to higher quantum efficiencies compared with traditional fluorescent OLEDs. This review focuses on small-molecular organic host materials for blue PHOLEDs with external quantum efficiency higher than 20%. Hole transport-type, electron transport-type and bipolar transport hosts are introduced according to their charge transporting properties. Their molecular structures and physical properties such as triplet energy, HOMO/LUMO energy levels and thermal stabilities, as well as device performances of host materials for blue and deep-blue PHOLEDs are comprehensively demonstrated. It is expected to provide reference value for the exploitation of new organic host materials and the commercialization of OLEDs.

源语言英语
页(从-至)9-22
页数14
期刊Acta Chimica Sinica
73
1
DOI
出版状态已出版 - 15 1月 2015
已对外发布

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