Effect of well confinement on photoluminescence features from silicon nanoparticles embedded in an SiC/SiN(x) multilayered structure

doi:10.1088/0957-4484/19/25/255402

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	Effect of well confinement on photoluminescence features from silicon nanoparticles embedded in an SiC/SiN(x) multilayered structure
	Huang, Rao 1; Ma, Libo 1; Du, Yun 1; Gao, Lei 1; Li, Chaorong 2; Yu, Cailan 3; Ye, Jianping 3; Cao, Zexian 1
刊名	NANOTECHNOLOGY
	2008-06-25
卷号	19 期号:25
ISSN号	0957-4484
DOI	10.1088/0957-4484/19/25/255402
英文摘要	Light emission from a quantum well-dot structure comprising amorphous Si nanoparticles (similar to 1.4 nm) embedded in SiC/SiN(x) multilayers (a few tens nm thick for individual sublayers) was investigated. Strong blue-green photoluminescence was measured at room temperature on the as-deposited samples and the spectral profile shows some markedly modulated features. It displays flattened profiles of roughly equal intensity when silicon particles in both nitride and carbide sublayers can be effectively excited, whereas when the nitride sublayer is less effectively activated at longer excitation wavelength the photoluminescence is pinned (here at 500 nm), showing a rather narrow, slowly decreasing profile. The phenomenon of narrowed emission is also observed in the Si-in-SiC multilayer consisting of particles of varying size distributions. Resonance energy transfer processes among particles modified by carrier confinement may provide a reasonable explanation.
语种	英语
出版者	IOP PUBLISHING LTD
WOS记录号	WOS:000256455800009
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/63709]
专题	中国科学院化学研究所
通讯作者	Huang, Rao
作者单位	1.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China 2.Zhejiang Sci Tech Univ, Hangzhou 310018, Peoples R China 3.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China
推荐引用方式 GB/T 7714	Huang, Rao,Ma, Libo,Du, Yun,et al. Effect of well confinement on photoluminescence features from silicon nanoparticles embedded in an SiC/SiN(x) multilayered structure[J]. NANOTECHNOLOGY,2008,19(25).
APA	Huang, Rao.,Ma, Libo.,Du, Yun.,Gao, Lei.,Li, Chaorong.,...&Cao, Zexian.(2008).Effect of well confinement on photoluminescence features from silicon nanoparticles embedded in an SiC/SiN(x) multilayered structure.NANOTECHNOLOGY,19(25).
MLA	Huang, Rao,et al."Effect of well confinement on photoluminescence features from silicon nanoparticles embedded in an SiC/SiN(x) multilayered structure".NANOTECHNOLOGY 19.25(2008).