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	Improvement of efficiency droop of gan-based light-emitting devices by a rear nitride reflector
	Cai, Li-E1,2; Zhang, Bao-Ping1,2; Zhang, Jiang-Yong1,3; Wu, Chao-Min1,2; Jiang, Fang1,2; Hu, Xiao-Long1,2; Chen, Ming1,2; Wang, Qi-Ming1,3
刊名	Physica e-low-dimensional systems & nanostructures
	2010-11-01
卷号	43期号:1页码:289-292
ISSN号	1386-9477
DOI	10.1016/j.physe.2010.07.071
通讯作者	Zhang, bao-ping(bzhang@xmu.edu.cn)
英文摘要	Gan-based light-emitting devices (leds) with and without a rear distributed bragg reflector (dbr) were grown by metal-organic chemical vapor deposition. the integrated electroluminescence (el) intensity of led with a rear nitride dbr showed a super-linear increase up to a current density of 135 a/cm(2) and the relative external quantum efficiency (eqe) kept monotonously increasing with increase in injection current density. for the led without a rear dbr, however, the emission efficiency reached the maximum at a very low current density of 10 a/cm(2). the improvement is mainly attributed to reflection of light from the dbr to the "top side" and decrease in light absorption in the active region with increase in injection current density. moreover, the improvement in relative eqe was attributed to the resonant cavity enhancing spontaneous emission at its resonant wavelength too. crown copyright (c) 2010 published by elsevier b.v. all rights reserved.
WOS关键词	DIODES
WOS研究方向	Science & Technology - Other Topics ; Physics
WOS类目	Nanoscience & Nanotechnology ; Physics, Condensed Matter
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000285485600053
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2428100
专题	半导体研究所
通讯作者	Zhang, Bao-Ping
作者单位	1.Xiamen Univ, Dept Phys, Lab Micro Nano Optoelect, Xiamen 361005, Peoples R China 2.Xiamen Univ, Pen Tung Sah Micro Nano Technol Res Ctr, Xiamen 361005, Peoples R China 3.Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Cai, Li-E,Zhang, Bao-Ping,Zhang, Jiang-Yong,et al. Improvement of efficiency droop of gan-based light-emitting devices by a rear nitride reflector[J]. Physica e-low-dimensional systems & nanostructures,2010,43(1):289-292.
APA	Cai, Li-E.,Zhang, Bao-Ping.,Zhang, Jiang-Yong.,Wu, Chao-Min.,Jiang, Fang.,...&Wang, Qi-Ming.(2010).Improvement of efficiency droop of gan-based light-emitting devices by a rear nitride reflector.Physica e-low-dimensional systems & nanostructures,43(1),289-292.
MLA	Cai, Li-E,et al."Improvement of efficiency droop of gan-based light-emitting devices by a rear nitride reflector".Physica e-low-dimensional systems & nanostructures 43.1(2010):289-292.

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