Inhibition of Interregional Charge Transfer Transition in Asymmetrical Heteroatomic Framework Enables BT.2020 Deep-Blue Electroluminescence with EQE Exceeding 40
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Multi-boron/nitrogen/oxygen (B/N/O)-embedded polyaromatics featuring the multiple resonance (MR) effect are popular photoluminescent emitters that meet the BT.2020 blue standard, while they often fail to achieve this in organic light-emitting diodes (OLEDs) be... ...
