Ultrafast photophysics of an orange–red thermally activated delayed fluorescence emitter: the role of external structural restraint

作者：Yixuan Gao, Yaxin Wang, Zilong Guo, Yan Wan, Zheng Xue, Yandong Han, Wensheng Yang, Xiaonan Ma · 发表于：Chemical Science · 年份：2024 · DOI：10.1039/d4sc00460d · 被引用次数：18 · 研究领域：Organic Light-Emitting Diodes Research、Thin-Film Transistor Technologies、Luminescence and Fluorescent Materials

Non-radiative decay of orange–red TADF emitters are strongly associated with excited-state structural relaxation through promoting vibrational modes, for which external structural restraint is critical for achieving high OLED emitting efficiency.