Beilstein J. Org. Chem.2018,14, 1944–1945, doi:10.3762/bjoc.14.168
molecular design approach for orange-emitting TADF molecules employing a fluorenoneacceptor [5]. In the full research paper by Feng-Ming Xie et al., they disclose two bipolar, high-energy phenothiazine-5,5-dioxide-based host materials conceived to be used for deep blue OLED devices [6].
The articles in
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: fluorenoneacceptor; orange light emission; organic light
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Graphical Abstract
Scheme 1:
Molecular structures of isomers 1 and 2.