Issue 18, 2018

Deep blue thermally activated delayed fluorescent emitters using CN-modified indolocarbazole as an acceptor and carbazole-derived donors

Abstract

Deep blue thermally activated delayed fluorescent (TADF) emitters having carbazole derivatives as donors and CN-modified indolocarbazole as an acceptor were developed. Indolocarbazole moiety modified by CN was an acceptor of all the carbazole-based TADF emitters, and carbazole and t-butylcarbazole were donors combined with the CN-modified indolocarbazole. The carbazole-based TADF emitters showed a narrow emission spectrum with a less than 60 nm full width at half maximum, deep blue emission color with a y color coordinate below 0.13, and a high external quantum efficiency of 16.0%.

Graphical abstract: Deep blue thermally activated delayed fluorescent emitters using CN-modified indolocarbazole as an acceptor and carbazole-derived donors

Supplementary files

Article information

Article type
Paper
Submitted
31 Jan 2018
Accepted
10 Apr 2018
First published
12 Apr 2018

J. Mater. Chem. C, 2018,6, 5012-5017

Deep blue thermally activated delayed fluorescent emitters using CN-modified indolocarbazole as an acceptor and carbazole-derived donors

Y. Im, S. H. Han and J. Y. Lee, J. Mater. Chem. C, 2018, 6, 5012 DOI: 10.1039/C8TC00546J

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