Issue 7, 2015

Highly efficient, little efficiency roll-off orange-red electrophosphorescent devices based on a bipolar iridium complex

Abstract

A novel phosphorescent emitter BZQPG possessing bipolar charge transporting ability realizes the most efficient orange-red electroluminescence reported to date with the power efficiency of 77.1 lm W−1 and external quantum efficiency of 27.3% together with low efficiency roll-off (>50 lm W−1 and 26% at 5000 cd m−2).

Graphical abstract: Highly efficient, little efficiency roll-off orange-red electrophosphorescent devices based on a bipolar iridium complex

Supplementary files

Article information

Article type
Communication
Submitted
18 Nov 2014
Accepted
23 Dec 2014
First published
24 Dec 2014

J. Mater. Chem. C, 2015,3, 1452-1456

Author version available

Highly efficient, little efficiency roll-off orange-red electrophosphorescent devices based on a bipolar iridium complex

G. Li, Y. Feng, T. Peng, K. Ye, Y. Liu and Y. Wang, J. Mater. Chem. C, 2015, 3, 1452 DOI: 10.1039/C4TC02626H

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