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Durham University

Department of Physics

Staff profile

Publication details for Associate Professor Fernando Dias

Ward, Jonathan S., Nobuyasu, Roberto S., Batsanov, Andrei S., Data, Przemyslaw, Monkman, Andrew P., Dias, Fernando B. & Bryce, Martin R. (2016). The interplay of thermally activated delayed fluorescence (TADF) and room temperature organic phosphorescence in sterically-constrained donor–acceptor charge-transfer molecules. Chemical Communications 52(12): 2612-2615.

Author(s) from Durham


A series of phenothiazine–dibenzothiophene-S,S-dioxide charge-transfer molecules have been synthesized. Increasing steric restriction around the donor–acceptor bond significantly alters contributions from TADF and phosphorescence. Bulky substituents on the 1-(and 9) position(s) of the phenothiazine result in no TADF in the solid state; instead strong phosphorescence is observed at ambient temperature.