A-D-A selenium heterocycle emitter

Pure RTP, quantum yield 0.78

Synergy of heavy atom effect and enhanced n→π* transitions enables pure room-temperature phosphorescence in both solution and film, overcoming weak spin-orbit coupling in metal-free organics.

Zhong, Daokun · Liu, Siqi · Yue, Ling · Feng, Zhao · Hongyan, Wang · Peng, Yang · Su, Bochao · Yang, Xiaolong · Sun, Yuanhui · Zhou, Guijiang

Chemical Science 2024

Specifications

外量子效率

{'zh': '18.2', 'en': ''} %

亮度

{'zh': '3000', 'en': ''} cd m⁻²

Advantages

Phosphorescence quantum yield ca. 0.78, highest among reported RTP organic emitters