Exploiting trifluoromethyl substituents for tuning orbital character of singlet and triplet states to increase the rate of thermally activated delayed fluorescence

Ward, Jonathan S. and Danos, Andrew and Stachelek, Patrycja and Fox, Mark A and Batsanov, Andrei and Monkman, Andrew and Bryce, Martin (2020) Exploiting trifluoromethyl substituents for tuning orbital character of singlet and triplet states to increase the rate of thermally activated delayed fluorescence. Materials Chemistry Frontiers, 4 (12). pp. 3602-3615. ISSN 2052-1537

Abstract

This work shows that trifluoromethyl (CF3) substituents can be used to increase the rate of thermally activated delayed fluorescence (TADF) in conjugated organic molecules by tuning the excitonic character of the singlet and triplet excited states.