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The interplay of thermally activated delayed fluorescence (TADF) and room temperature organic phosphorescence in sterically-constrained donor–acceptor charge-transfer molecules.

Ward, Jonathan S. and Nobuyasu, Roberto S. and Batsanov, Andrei S. and Data, Przemyslaw and Monkman, Andrew P. and Dias, Fernando B. and 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). pp. 2612-2615.

Abstract

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.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1039/C5CC09645F
Date accepted:04 January 2016
Date deposited:18 January 2016
Date of first online publication:11 January 2016
Date first made open access:04 January 2017

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