Fabrication and photoluminescence of ZnS:Mn(2+) nanowires/ZnO quantum dots/SiO(2) heterostructure

	Fabrication and photoluminescence of ZnS:Mn(2+) nanowires/ZnO quantum dots/SiO(2) heterostructure
其他题名	论文其他题名
	Yang J. H.; Cao J. A.; Yang L. L.; Zhang Y. J.; Wang Y. X.; Liu X. Y.; Wang D. D.; Wei M. B.; Gao M.; Lang J. H.
	2010
发表期刊	Journal of Applied Physics
ISSN	0021-8979
卷号	108 期号:4
摘要	In this paper, we demonstrated the encapsulation of ZnS:Mn(2+) nanowires (NWs) and ZnO quantum dots (QDs) with a layer of mesoporous SiO(2) shell for the purpose of integrating dual emission property into one common nanostructure. The average diameter of ZnS:Mn2+ NWs, ZnO QDs, and ZnS:Mn(2+)/ZnO@SiO(2) heterostructure was about 10 nm, 6 nm, and 22 nm, respectively. Within ZnS:Mn(2+)/ZnO@SiO(2) nanocomposites, the intensity of the yellow-orange emission contributed by ZnS:Mn(2+) NWs and the UV emission contributed by ZnO QDs was three and ten times higher than their individual components, respectively. The fluorescence intensity ratio of the dual emission can be tuned by adjusting the hydrolysis time of tetraethyl orthosilicate. The peak energy of the yellow-orange and UV emission showed blueshift and redshift as increasing the temperature, respectively. The anomalous enhancement of the integrated intensity for the UV emission with the temperature indicated that the high surface state density existing in ZnO QDs can overrun the influence of temperature quenching and even alter the photoluminescent properties. (C) 2010 American Institute of Physics. [doi:10.1063/1.3467762]
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/24776
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Yang J. H.,Cao J. A.,Yang L. L.,et al. Fabrication and photoluminescence of ZnS:Mn(2+) nanowires/ZnO quantum dots/SiO(2) heterostructure[J]. Journal of Applied Physics,2010,108(4).
APA	Yang J. H..,Cao J. A..,Yang L. L..,Zhang Y. J..,Wang Y. X..,...&Lang J. H..(2010).Fabrication and photoluminescence of ZnS:Mn(2+) nanowires/ZnO quantum dots/SiO(2) heterostructure.Journal of Applied Physics,108(4).
MLA	Yang J. H.,et al."Fabrication and photoluminescence of ZnS:Mn(2+) nanowires/ZnO quantum dots/SiO(2) heterostructure".Journal of Applied Physics 108.4(2010).

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