Beilstein J. Org. Chem.2018,14, 672–681, doi:10.3762/bjoc.14.55
exciton utilization of TADF materials. Importantly, OLEDs based on 2 exhibited a maximum external quantum efficiency of 8.9%, which is higher than the theoretical efficiency of the OLEDs based on conventional fluorescent materials.
Keywords: fluorenone acceptor; orangelightemission; organic light
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Graphical Abstract
Scheme 1:
Molecular structures of isomers 1 and 2.