Green multi-resonance thermally activated delayed fluorescence emitters containing phenoxazine units with highly efficient electroluminescence

Authors :: Jia-Jun Hu
Xu-Feng Luo
Yi-Pin Zhang
Meng-Xi Mao
Hua-Xiu Ni
Xiao Liang
You-Xuan Zheng
Source :: Journal of Materials Chemistry C. 10:768-773
Publication Year :: 2022
Publisher :: Royal Society of Chemistry (RSC), 2022.
Abstract: Two phenoxazine fused MR-TADF materials based on a B/N framework show high PLQYs and small FWHMs in toluene solutions, while their OLEDs exhibit EQEs of up to 21.3% with small efficiency roll-offs and narrow EL emissions.

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