V-shaped donor-acceptor organic emitters. A new approach towards efficient TADF OLED devices

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Abstract

We report the synthesis and characterization of a series of donor-acceptor TADF emitters with a new architecture, where the donor moiety and the dibenzazepine-based acceptor moiety are separated by a phenylene linker in a V-shaped spatial arrangement. Such spatial separation and electronic decoupling between the donor and the acceptor moieties leads to low singlet-triplet energy gaps and favors efficient exciton up-conversion.

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Derkowski, W., Kumar, D., Gryber, T., Wagner, J., Morawiak, M., Kochman, M. A., … Lindner, M. (2023). V-shaped donor-acceptor organic emitters. A new approach towards efficient TADF OLED devices. Chemical Communications, 59(19), 2815–2818. https://doi.org/10.1039/d2cc06978d

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