Triphenylene‐Involved π‐Extension Combining With Phenyl‐Blocking Enhances the Stability of MR‐TADF Emitter: Top‐Emitting OLED Realizes EQE Approaching 60% With BT.2020 Green Gamut and Long Lifetime
Key Points
This research aims to improve the stability and performance of pure-green MR-TADF emitters by employing specific molecular design strategies.
Combined moderate π-extension with peripheral phenyl blocking in the design of MR-TADF emitters.
Evaluated the performance of OLEDs using the designed emitters, focusing on efficiency and longevity.
Achieved an external quantum efficiency (EQE) approaching 60%.
OLEDs exhibited performance within the BT.2020 green gamut.
Abstract
. This work reveals the effectiveness of molecular design strategies that combine moderate π-extension with peripheral phenyl blocking for developing high-performance pure-green MR-TADF emitters.
Triphenylene‐Involved π‐Extension Combining With Phenyl‐Blocking Enhances the Stability of MR‐TADF Emitter: Top‐Emitting OLED Realizes EQE Approaching 60% With BT.2020 Green Gamut and Long Lifetime | Synapse