Effect of coupling between excitons and gold nanoparticle surface plasmons on emission behavior of phosphorescent organic light-emitting diodes

	Effect of coupling between excitons and gold nanoparticle surface plasmons on emission behavior of phosphorescent organic light-emitting diodes
	Ji, W. Y.; H. F. Zhao; H. G. Yang and F. R. Zhu
	2015
发表期刊	Organic Electronics
卷号	22 页码:154-159
摘要	Enhanced efficiency and reduced efficiency roll-off in phosphorescent organic light-emitting diodes (PhOLEDs) are realized by interposing a solution-processed gold nanoparticle (GNP)-based interlayer between the anode and the hole-injection layer. Transient photoluminescence measurements elucidate that a reduced lifetime of the triplet excitons was observed for samples having a GNP-interlayer as compared to a control sample without the GNP-interlayer. The decrease in the triplet exciton lifetime, caused by the coupling between the triplet excitons and the localized surface plasmons (LSPs) excited by the GNPs, enables reducing the triplet-triplet and triplet-polaron annihilation processes, thereby a reduced efficiency roll-off in PhOLEDs. The presence of a GNP-interlayer also acts as an optical out-coupling layer contributing to the efficiency enhancement and was demonstrated by the theoretical simulation. (C) 2015 Elsevier B.V. All rights reserved.
收录类别	SCI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/55292
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Ji, W. Y.,H. F. Zhao,H. G. Yang and F. R. Zhu. Effect of coupling between excitons and gold nanoparticle surface plasmons on emission behavior of phosphorescent organic light-emitting diodes[J]. Organic Electronics,2015,22:154-159.
APA	Ji, W. Y.,H. F. Zhao,&H. G. Yang and F. R. Zhu.(2015).Effect of coupling between excitons and gold nanoparticle surface plasmons on emission behavior of phosphorescent organic light-emitting diodes.Organic Electronics,22,154-159.
MLA	Ji, W. Y.,et al."Effect of coupling between excitons and gold nanoparticle surface plasmons on emission behavior of phosphorescent organic light-emitting diodes".Organic Electronics 22(2015):154-159.

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