Solution-processed TADF polymer sensitized MR-TADF OLEDs demonstrate EQE of 15.7% with a narrow FWHM of 48 nm.
This review addresses the importance of Pd-catalyzed reactions in the synthesis of MR-TADF emitters, particularly Suzuki coupling and Buchwald–Hartwig cross-coupling reactions, and can provide enough ideas for the development of new MR emitters.
Narrowband multiple resonance thermally activated delayed fluorescence (MR-TADF) materials have attracted significant attention due to their potential applications in high-definition organic light-emitting diode (OLED) displays.
Efficient MR-TADF emitters are developed with U-shaped molecular structures for solution-processed OLEDs. The excellent performance with an EQEmax of 27.6% is among the best solution-processed OLEDs based on MR-TADF emitters.
In this graphic, the molecular design strategy for achieving high efficiency and maintaining a narrowband emission profile of boron-based thermally activated delayed fluorescence emitters is comprehensively summarized.