期刊
MOLECULES
卷 24, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/molecules24010151
关键词
tandem; organic light-emitting diode; white; charge generation layer; doping-free
资金
- National Natural Science Foundation of China [61804029, 11504050]
- Guangdong Natural Science Foundation [2018A030310353]
- Scientific Research Starting Foundation of Foshan University [Gg040926]
- Foshan Science and technology innovation special funds [2017EZ100111]
Tandem white organic light-emitting diodes (WOLEDs) are promising for the lighting and displays field since their current efficiency, external quantum efficiency and lifetime can be strikingly enhanced compared with single-unit devices. In this invited review, we have firstly described fundamental concepts of tandem device architectures and their use in WOLEDs. Then, we have summarized the state-of-the-art strategies to achieve high-performance tandem WOLEDs in recent years. Specifically, we have highlighted the developments in the four types of tandem WOLEDs (i.e., tandem fluorescent WOLEDs, tandem phosphorescent WOLEDs, tandem thermally activated delayed fluorescent WOLEDs, and tandem hybrid WOLEDs). Furthermore, we have introduced doping-free tandem WOLEDs. In the end, we have given an outlook for the future development of tandem WOLEDs.
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