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	Improved light extraction of gan-based leds with nano-roughened p-gan surfaces
	Gao Hai-Yong; Yan Fa-Wang; Fan Zhong-Chao; Li Jin-Min; Zeng Yi-Ping; Wang Guo-Hong
刊名	Chinese physics letters
	2008-09-01
卷号	25期号:9页码:3448-3451
ISSN号	0256-307X
通讯作者	Gao hai-yong(hygao@semi.ac.cn)
英文摘要	P-gan surfaces are nano-roughened by plasma etching to improve the optical performance of gan-based light emitting diodes (leds). the nano-roughened gan present a relaxation of stress. the light extraction of the leds with nano-roughened surfaces is greatly improved when compared with that of the conventional leds without nano-roughening. pl-mapping intensities of the nano-roughened led epi-wafers for different roughening times present two to ten orders of enhancement. the light output powers are also higher for the nano-roughened led devices. this improvement is attributed to that nano-roughened surfaces can provide photons multiple chances to escape from the led surfaces.
WOS关键词	EMITTING-DIODES ; EFFICIENCY ; OUTPUT
WOS研究方向	Physics
WOS类目	Physics, Multidisciplinary
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000258916400095
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2427325
专题	半导体研究所
通讯作者	Gao Hai-Yong
作者单位	Chinese Acad Sci, Inst Semicond, Semicond Lighting Res & Dev Ctr, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Gao Hai-Yong,Yan Fa-Wang,Fan Zhong-Chao,et al. Improved light extraction of gan-based leds with nano-roughened p-gan surfaces[J]. Chinese physics letters,2008,25(9):3448-3451.
APA	Gao Hai-Yong,Yan Fa-Wang,Fan Zhong-Chao,Li Jin-Min,Zeng Yi-Ping,&Wang Guo-Hong.(2008).Improved light extraction of gan-based leds with nano-roughened p-gan surfaces.Chinese physics letters,25(9),3448-3451.
MLA	Gao Hai-Yong,et al."Improved light extraction of gan-based leds with nano-roughened p-gan surfaces".Chinese physics letters 25.9(2008):3448-3451.

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