| 光谱学与光谱分析 |
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| Preparation and Characterization of CaAl2O4:Eu2+, Nd3+ Nanoparticles |
| ZHANG Xi-yan, JIANG Wei-wei, LIU Xue, LU Li-ping, WANG Xiao-chun, BAI Zhao-hui, LIU Quan-sheng, CAO Zhi-feng |
| School of Materials and Chemical Engineering, Changchun University of Science and Technology, Changchun 130022, China |
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Abstract Long persistent phosphoresceoce CaAl2O4:Eu2+, Nd3+ nanoparticles were synthesized through sol-gel method. The structures and properties of the samples were analyzed by DTA, TGA, XRD, TEM and spectrometer. Results indicated that the CaAl2O4 crystalline phase was formed at 800 ℃. The particles are spherical in shape and about 20-40 nm in size. The peaks of the excitation, emission and thermoluminescence spectra shift compared with the CaAl2O4:Eu2+, Nd3+ coarse crystals. The luminescence decay includes a initial rapid part and a following slow part. The decay time lasts for about 5 h.
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Received: 2004-06-02
Accepted: 2004-10-17
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Corresponding Authors:
ZHANG Xi-yan
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| Cite this article: |
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ZHANG Xi-yan,JIANG Wei-wei,LIU Xue, et al. Preparation and Characterization of CaAl2O4:Eu2+, Nd3+ Nanoparticles [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(10): 1560-1563.
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https://www.gpxygpfx.com/EN/Y2005/V25/I10/1560 |
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