| 纳米级碱土金属钒酸盐发光材料[A3(VO4)2:Eu]发光性质的研究 |
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| 引用本文： | 付晓燕,牛淑云,张洪武,辛勤.纳米级碱土金属钒酸盐发光材料[A3(VO4)2:Eu]发光性质的研究[J].光谱学与光谱分析,2006,26(1):27-29. |
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| 作者姓名： | 付晓燕 牛淑云 张洪武 辛勤 |
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| 作者单位： | 1. 辽宁师范大学化学与化工学院,辽宁,大连,116029
2. 中国科学院大连化学物理研究所,辽宁,大连,116023 |
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| 摘 要： | 采用Pechini型溶胶-凝胶法制备出系列纳米级铕掺杂的碱土金属钒酸盐.并采用电镜,红外光谱,室温荧光光谱对粉体的性质进行表征.结果表明所制备的粉体的粒径在20～50 nm之间,并且这些发光粉的性质与碱土金属离子的半径密切相关;由于Ca2 离子的半径与Eu3 的最接近,因而Eu3 更容易进入其晶格,表现出好的发光性质.
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| 关 键 词： | 纳米 A3(VO4)2:Eu 发光 |
| 文章编号： | 1000-0593（2006）01-0027-03 |
| 收稿时间： | 2004-09-29 |
| 修稿时间： | 2005-02-28 |
Photoluminescence Properties of Nanocrystalline A3(VO4)2:Eu(A = Mg, Ca, Sr and Ba) |
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| FU Xiao-yan,NIU Shu-yun,ZHANG Hong-wu,XIN Qin.Photoluminescence Properties of Nanocrystalline A3(VO4)2:Eu(A = Mg, Ca, Sr and Ba)[J].Spectroscopy and Spectral Analysis,2006,26(1):27-29. |
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| Authors: | FU Xiao-yan NIU Shu-yun ZHANG Hong-wu XIN Qin |
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| Institution: | 1. College of Chemistry and Chemical Engineering of Liaoning Normal University, Dalian 116029, China; 2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China |
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| Abstract: | A series of europium doped alkali earth orthovanadates were prepared by Pechini-type sol-gel. The powders were characterized by transmission electron microscopy (TEM), infrared spectrum (IR) and photoluminescence (PL). The results of TEM show that high-quality nanopowders with controlled particle size about 50 nm were prepared. The relation between alkali earth ions and luminescence properties was observed from the results of luminescence spectra. Due to the similar ion radius of Ca 2 ions and Eu 3 ions, Ca_3(VO_4)_2:Eu powders exhibit the strongest emission intensity among the four kind of phosphors. |
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| Keywords: | Nanocrystalline A_3(VO_4)_2:Eu(A=Mg Ca Sr Ba) Luminescence |
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