| 光谱学与光谱分析 |
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| Preparation and Luminescence Properties of Core-Shell ZnS∶Cu/ZnS Nano-Particles |
| CAO Li-xin, SUN Da-ke, LIN Ying-xia |
| Institute of Materials Sciences and Engineering, Ocean University of China, Qingdao 266003, China |
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Abstract Core-shell structured ZnS∶Cu/ZnS nano-particles and Cu2+-doped ZnS nano-particles without any shell were prepared, and the effect of ZnS shell on the luminescence properties of ZnS∶Cu2+ nano-particles was studied. The observed emission peak at 450 nm was assigned to the recombination of an electron from the shallow delocalized donor levels at the t2 level of Cu2+. The ZnS shell did enhance the luminescence at 450 nm, which resulted from the reduction of nonradiative recombination sites.
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Received: 2005-09-28
Accepted: 2006-01-06
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Corresponding Authors:
CAO Li-xin
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| Cite this article: |
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CAO Li-xin,SUN Da-ke,LIN Ying-xia. Preparation and Luminescence Properties of Core-Shell ZnS∶Cu/ZnS Nano-Particles [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(11): 2000-2002.
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https://www.gpxygpfx.com/EN/Y2006/V26/I11/2000 |
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