Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile

	Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile
其他题名	论文其他题名
	Zhu J. Z.; Li W. L.; Chu B.; Yang D. F.; Zhang G. A.; Yan F.; Liu H. H.; Wang J. B.; Wu S. H.
	2010
发表期刊	Displays
ISSN	0141-9382
卷号	31 期号:3 页码:128-131
摘要	A tris(2-phenylpyridine) iridium doped phosphorescent organic light-emitting diode using a mixed host with stepwise blending profile was demonstrated. We adopted the mixture of 4,4',4 ''-tris(N-carbazolyl) triphenylamine and 1,3,5-tris(N-phenylbenzimidazole-2-yl)benzene as the host in the emitting layer. By using a stepwise blending ratio profile of the two host materials, a peak external quantum efficiency of 17.7% and a peak power efficiency of 45.7 Im/W were attained, which increased by 59.5% and 60.9% relative to the optimal uniform blending ratio profile based device, respectively. The efficiency improvement was attributed to the multiple exciton formation interfaces, which could expand the recombination regions. (C) 2010 Elsevier B.V. All rights reserved.
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/26190
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Zhu J. Z.,Li W. L.,Chu B.,et al. Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile[J]. Displays,2010,31(3):128-131.
APA	Zhu J. Z..,Li W. L..,Chu B..,Yang D. F..,Zhang G. A..,...&Wu S. H..(2010).Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile.Displays,31(3),128-131.
MLA	Zhu J. Z.,et al."Improved electrophosphorescence efficiency for organic light-emitting diodes using the cohost with stepwise blending profile".Displays 31.3(2010):128-131.

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