The reduced triplet-triplet annihilation of electrophosphorescent device doped by an iridium complex with active hydrogen

	The reduced triplet-triplet annihilation of electrophosphorescent device doped by an iridium complex with active hydrogen
其他题名	论文其他题名
	Han L. L.; Yang D. F.; Li W. L.; Chu B.; Chen Y.; Su Z. S.; Zhang D. Y.; Yan F.; Hu Z. Z.; Zhang Z. Q.
	2008
发表期刊	Applied Physics Letters
ISSN	0003-6951
卷号	93 期号:15
摘要	We demonstrate high efficiency electrophosphorescent devices doped by bis(2-phenyl-benzoimidazole) iridium (III) acetylacetonate [Ir(ppi)(2)acac] with active hydrogen. At 100 mA/cm(2) 2 wt % Ir(ppi)(2)acac doped device offers an external quantum efficiency (eta(ext)) of 5.1% and an efficiency roll-off of 28.2%, which decreases for 33.5% and 39.1% compared with that of 2 and 6 wt % fac-tris(2-phenylpyridine) iridium (III) [fac-Ir(ppy)(3)] doped reference devices, respectively. 7 wt % Ir(ppi)(2)acac doped device behaves a maximum eta(ext) of 13.4% and a eta(ext) of 8.0% at a luminance of 10 000 cd/m(2). Both the eta(ext) are higher than that of the reference device. The improvement in electroluminescent performance was assumed to be the very short triplet lifetime (3.74 ns) induced by the active hydrogen atom. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.2998571]
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/181722/26381
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Han L. L.,Yang D. F.,Li W. L.,et al. The reduced triplet-triplet annihilation of electrophosphorescent device doped by an iridium complex with active hydrogen[J]. Applied Physics Letters,2008,93(15).
APA	Han L. L..,Yang D. F..,Li W. L..,Chu B..,Chen Y..,...&Zhang Z. Q..(2008).The reduced triplet-triplet annihilation of electrophosphorescent device doped by an iridium complex with active hydrogen.Applied Physics Letters,93(15).
MLA	Han L. L.,et al."The reduced triplet-triplet annihilation of electrophosphorescent device doped by an iridium complex with active hydrogen".Applied Physics Letters 93.15(2008).

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