| Issue |
Eur. Phys. J. Appl. Phys.
Volume 72, Number 2, November 2015
|
|
|---|---|---|
| Article Number | 20201 | |
| Number of page(s) | 6 | |
| Section | Physics of Organic Materials and Devices | |
| DOI | https://doi.org/10.1051/epjap/2015150090 | |
| Published online | 30 October 2015 | |
https://doi.org/10.1051/epjap/2015150090
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: 453721027@qq.com
Received:
13
February
2015
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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