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Issue 14, 2013
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Benzo[4,5]thieno[2,3-b]pyridine derivatives as host materials for high efficiency green and blue phosphorescent organic light-emitting diodes

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Abstract

Benzo[4,5]thieno[2,3-b]pyridine (BTP) was newly developed as an electron deficient moiety for high triplet energy materials and two BTP derivatives with the BTP and carbazole groups were synthesized as high triplet energy bipolar host materials. The BTP derivatives were effective as the host materials for green and blue phosphorescent organic light-emitting diodes and a high quantum efficiency above 20% was achieved both in green and blue devices.

Graphical abstract: Benzo[4,5]thieno[2,3-b]pyridine derivatives as host materials for high efficiency green and blue phosphorescent organic light-emitting diodes

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Supplementary files

Article information


Submitted
07 Nov 2012
Accepted
25 Dec 2012
First published
16 Jan 2013

Chem. Commun., 2013,49, 1446-1448
Article type
Communication

Benzo[4,5]thieno[2,3-b]pyridine derivatives as host materials for high efficiency green and blue phosphorescent organic light-emitting diodes

C. W. Lee and J. Y. Lee, Chem. Commun., 2013, 49, 1446
DOI: 10.1039/C2CC38049H

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