A novel B,O,N-doped mesogen with narrowband MR-TADF emission.
Chem Commun (Camb)
; 60(33): 4459-4462, 2024 Apr 18.
Article
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| MEDLINE
| ID: mdl-38563754
ABSTRACT
Modification of an unsymmetric B,O,N-doped aromatic core with peripheral mesogenic units triggers self-assembly into a columnar hexagonal mesophase, which is stable between 22 and 144 °C. The columnar assembly is preserved in a glassy state below 22 °C. The B,O,N-doped mesogen displays narrowband sky-blue multiresonance thermally activated delayed fluorescence (MR-TADF) under diluted conditions and bright excimer emission in condensed phase. Our combined experimental and theoretical approach provides insight into the development of strongly aggregating liquid crystalline MR-TADF emitters.
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