A multi-resonance emitter with five-membered thiophene as the π-core enables efficient, narrowband and reduced efficiency roll-off OLEDs

作者：Linjie Li, Jiaqi Li, Lixiao Guo, Yincai Xu, Yifan Bi, Yexuan Pu, Pingping Zheng, Xiankai Chen, Yue Wang, Chenglong Li · 发表于：Chemical Science · 年份：2024 · DOI：10.1039/d4sc02899f · 被引用次数：32 · 研究领域：Organic Light-Emitting Diodes Research、Organic Electronics and Photovoltaics、Conducting polymers and applications

A multi-resonance thermally activated delayed fluorescence emitter with five-membered thiophene as the π-core is first developed. The corresponding OLEDs exhibit high efficiency, narrowband emission and reduced efficiency roll-off simultaneously.