Published in
Royal Society of Chemistry, Journal of Materials Chemistry C Materials for optical and electronic devices, 48(9), p. 17412-17418, 2021
DOI: 10.1039/d1tc04680b
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Cohosts with efficient host-to-emitter energy transfer for stable blue phosphorescent organic light-emitting diodes
Journal article published in 2021 by
Soo-Ghang Ihn 
,
Eun Suk Kwon,
Yongsik Jung ,
Jong Soo Kim,
Sungho Nam,
Joonghyuk Kim,
Sangmo Kim,
Soon Ok Jeon ,
Yeon Sook Chung,
Sangho Park,
Dal Ho Huh,
Hyun Jung Kim,
Hosuk Kang,
Namheon Lee,
Hye Jin Bae
and other authors.
,
Eun Suk Kwon,
Yongsik Jung ,
Jong Soo Kim,
Sungho Nam,
Joonghyuk Kim,
Sangmo Kim,
Soon Ok Jeon ,
Yeon Sook Chung,
Sangho Park,
Dal Ho Huh,
Hyun Jung Kim,
Hosuk Kang,
Namheon Lee,
Hye Jin Bae
and other authors.
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Abstract
We present a high-performance blue phosphorescent organic light-emitting diode exhibiting a low operating voltage (4.1 V), high external quantum efficiency (23.4%, at 500 cd m−2) with a low efficiency roll-off (4.7%), and a long operation lifetime (time at which the luminance reaches 95% of its initial value, LT95 = 232 h).