| 光谱学与光谱分析 |
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| Study on Luminescence Property of Nanocrystalline Y2O3:Eu3+ Red Phosphor |
| ZHANG Shi-ying1, WEI Kun2 |
1. Changsha University, Changsha 410003，China
2. Institute of Material and Science of Hu′nan University, Changsha 410082, China |
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Abstract The nanocrystalline of Y2O3:Eu3+ red phosphor has been studied. The result shows that the maximum excitation spectrum of Y2O3:Eu3+ peaks at λex=252.6 nm, while the maximum emission spectrum peaks at λem=613.4 nm under 254 nm excitation. The luminescence intensity increases with the growth of agglomerate size, adding assistant melting agent and increasing the sintering temperature. The hanging-bonds and the defects on the surface of nanocrystalline Y2O3:Eu3+ particle were removed and its luminescence intensity was increased by the coating process.
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Received: 2002-12-25
Accepted: 2003-06-10
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Corresponding Authors:
ZHANG Shi-ying
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| Cite this article: |
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ZHANG Shi-ying,WEI Kun. Study on Luminescence Property of Nanocrystalline Y2O3:Eu3+ Red Phosphor [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(04): 407-410.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I04/407 |
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