Eur. Phys. J. Appl. Phys.
Volume 72, Number 2, November 2015
|Number of page(s)||6|
|Section||Physics of Organic Materials and Devices|
|Published online||30 October 2015|
Yellow light direct hole-injection structure organic light-emitting device based on bis[2-(4-tert-butylphenyl) benzothiazolato-N,C2'] iridium (acetylicetonate) phosphor
State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China (UESTC), 610054
Chengdu, P.R. China
a e-mail: email@example.com
Revised: 5 July 2015
Accepted: 24 September 2015
Published online: 30 October 2015
The feasibility of adopting bis[2-(4-tert-butylphenyl) benzothIazolato-N,C-2'] iridium (acetylacetonate) [(t-bt)2Ir(acac)] in the direct hole-injection structure was investigated. Yellow phosphorescent organic light-emitting diodes based on (t-bt)2Ir(acac) with this structure were fabricated. The efficiencies of these diodes reached 27.51 lm/W and 53.33 cd/A at a brightness of 45 891 cd/m2. The realisation of these excellent efficiencies is ascribed to the characteristics of (t-bt)2Ir(acac) and the direct hole-injection structure.
© EDP Sciences, 2015
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