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材料研究学报  2011, Vol. 25 Issue (5): 534-538    
  研究论文 本期目录 | 过刊浏览 |
LaPO4:Eu3+纳米荧光粉的发光强度影响因素
吴春芳, 王育华
兰州大学物理科学与技术学院 兰州 730000
Study on the Emission Intensity of Nano LaPO4:Eu Phosphor
WU Chunfang, WANG Yuhua
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000
引用本文:

吴春芳 王育华. LaPO4:Eu3+纳米荧光粉的发光强度影响因素[J]. 材料研究学报, 2011, 25(5): 534-538.
, . Study on the Emission Intensity of Nano LaPO4:Eu Phosphor[J]. Chin J Mater Res, 2011, 25(5): 534-538.

全文: PDF(949 KB)  
摘要: 通过改变水热反应中的原料---磷源, 制备了不同尺寸大小的LaPO4:Eu3+纳米荧光粉。XRD分析表明, 所有的水热反应产物均可归属为单斜晶系。水热产物再经900℃的热处理后, aPO4:Eu3+荧光粉晶粒尺寸变大, 同时结晶度提高。通过对比不同尺寸的LaPO4:Eu3+荧光粉在紫外和真空紫外激发两种模式下的发光强度, 为晶粒大小在紫外和真空紫外激发两种不同的激发模式下对荧光粉发光强度的影响完全不同。
关键词 无机非金属材料稀土离子磷酸盐纳米材料荧光    
Abstract:LaPO4:Eu3+ nanophosphors with different sizes were prepared by hydrothermal reaction  with different phosphorus sources. The results by XRD show that all products were ascribed to monoclinic crystal. The size of the products became larger and the crystallization was improved after heat treatment at 900oC. The compared results of the emission intensity of samples with different sizes under different excitations showed that the effect of the crystal size on the emission intensity of the samples excited under UV and VUV sources is quite different.
Key wordsinorganic non-metallic materials    rare earth ion    phosphate    nano-meter material    luminescence
收稿日期: 2011-06-02     
ZTFLH: 

O61

 
基金资助:

甘肃省自然科学基金1010RJZA109资助项目。

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