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Advances in Aggregation-Induced Delayed Fluorescent Materials and Their Organic Optoelectronic Devices
Fei Wen, Wen-Yu Luo, Xiaoxun Ma, Shanshan Liu, Lin-Yu Jiao
Prog Chem ›› 2025, Vol. 37 ›› Issue (11) : 1604-1621.
PDF(1701 KB)
PDF(1701 KB)
Advances in Aggregation-Induced Delayed Fluorescent Materials and Their Organic Optoelectronic Devices
Thermally activated delayed fluorescence (TADF) materials have entered a new stage of vigorous development with the significant advantage of efficient utilization of single and triplet excitons without the need for precious metals. However, the aggregation-induced burst (ACQ) phenomenon is prevalent in conventional TADF materials, which severely limits their development and application. In contrast, aggregation-induced delayed fluorescence (AIDF) materials have a unique aggregation-induced fluorescence enhancement phenomenon, thus attracting much attention in the field of organic electroluminescence. In this review, we summarize the relevant AIDF molecules in the field of organic light-emitting diode (OLED), focusing on the molecular design of AIDFs and their research and application progress in the field of non-doped OLEDs since 2021, and analyze and discuss the mentioned AIDF molecules by classifying them based on the basis of their molecular structures, respectively, in terms of benzophenones, triazines, quinoxalines, and other receptors. Compounds are structurally disassembled and properties are summarized, the conformational relationships between their structures and properties are deeply explored, and the outlook for the development of this field is made.
Contents
1 Introduction
2 Benzophenone and its derivatives
3 Diphenyl sulfone and its derivatives
4 Triazine and its derivatives
5 Quinoxaline and its derivatives
6 Other receptors
7 Conclusion and outlook
aggregation-induced emission / thermally activated delayed fluorescence / organic light-emitting diode / donor / acceptor
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