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材料研究学报  2010, Vol. 24 Issue (4): 343-347    
  研究论文 本期目录 | 过刊浏览 |
Pr3+掺杂对SrAl2O4 : Eu2+、Dy3+磷光体发光性能的影响
樊国栋, 肖国平
教育部轻化工助剂化学与技术重点实验室 陕西科技大学 西安 710021
Effect of Pr3+ on Luminescent Properties of SrAl2O4 : Eu2+, Dy3+ Phosphor Prepared by Combustion Synthesis
FAN Guodong,  XIAO Guoping
Key laboratory of Auxiliary Chemistry & technology for Chemical Industry, Ministry of Education, Shaanxi university of Science & technology, Xi'an Shanxi 710021
引用本文:

樊国栋 肖国平. Pr3+掺杂对SrAl2O4 : Eu2+、Dy3+磷光体发光性能的影响[J]. 材料研究学报, 2010, 24(4): 343-347.
, . Effect of Pr3+ on Luminescent Properties of SrAl2O4 : Eu2+, Dy3+ Phosphor Prepared by Combustion Synthesis[J]. Chin J Mater Res, 2010, 24(4): 343-347.

全文: PDF(910 KB)  
摘要: 

用燃烧法制备Pr3+掺杂的SrAl2O4 : Eu2+、Dy3+长余辉发光粉体, 研究了Pr3+掺杂对其发光性能的影响。结果表明, 合成的单相SrAl2O4样品具有单斜晶系结构, 荧光发射光谱是连续宽带谱, 峰位于515 nm, 激发光谱是峰值在320 nm和360 nm的连续宽带谱。掺杂Pr3+对形成晶粒尺寸均匀的固溶体有一定的促进作用, 使其余辉初始亮度为不掺杂时的3倍。

关键词 无机非金属材料  燃烧法 SrAl2O4 镨掺杂  发光材料    
Abstract

Pr3+ doped SrAl2O4 : Eu2+、Dy3+ phosphor was synthesized by combustion method. The modification of optical properties of the sample has been investigated. X-ray diffraction pattern indicates that the samples possess a monoclinic crystal structure. The emission spectra shows a continuous luminescence band with a peak at 515nm and excitation spectra shows two peaks at 320 and 360 nm. The decay curves show that the initial intensity is three times before doping  praseodymium. The morphology shows praseodymium has a great role in formating uniform grain size solid solution in SrAl2O4 : Eu2+, Dy3+, Pr3+ phosphor.

Key wordsinorganic non-metallic materials     combustion      SrAl2O4    Pr3+ doping    luminous materials
收稿日期: 2010-05-05     
ZTFLH: 

O482

 
基金资助:

陕西省科技攻关项目2008K07-32和陕西科技大学研究生创新基金资助项目。

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