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Issue 14, 2018
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Molecular engineering of phosphacycle-based thermally activated delayed fluorescence materials for deep-blue OLEDs

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Abstract

To produce efficient deep-blue emitters, a new family of thermally activated delayed fluorescence (TADF) molecules based on dibenzo-fused phosphacycles was designed. OLEDs employing a phenothiaphosphine sulfide derivative as a TADF emitter displayed blue electroluminescence with a maximum external quantum efficiency of 13% and CIE color coordinates of (0.15, 0.23).

Graphical abstract: Molecular engineering of phosphacycle-based thermally activated delayed fluorescence materials for deep-blue OLEDs

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Supplementary files

Article information


Submitted
13 Dec 2017
Accepted
11 Jan 2018
First published
23 Jan 2018

J. Mater. Chem. C, 2018,6, 3578-3583
Article type
Communication

Molecular engineering of phosphacycle-based thermally activated delayed fluorescence materials for deep-blue OLEDs

J. Lee, N. Aizawa and T. Yasuda, J. Mater. Chem. C, 2018, 6, 3578
DOI: 10.1039/C7TC05709A

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