2024
DOI: 10.26434/chemrxiv-2024-sqwhs
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Fluorene vs. Spirobifluorene: Effect of the π-system on TADF properties

Tim Silies,
Nikos Doltsinis,
Constantin Daniliuc
et al.

Abstract: There are many options to design a molecular structure that could result in thermally activated delayed fluorescence (TADF). One promising strategy is to use donor-π-acceptor motive where the electron-donating unit is linked to the electron-acceptor via an aryl moiety which reduces the HOMO-LUMO overlap. While this approach is widely used and well understood, the perfor-mance of the chromophores can be limited by different energy loss pathways, e.g. internal con-version or π-stacking. To circumvent these probl… Show more

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