荧光粉Y3Mg2AlSi2O12∶Ce3+的合成及光谱性能研究

雷婷; 谭劲; 孟小康; 张玮; 李聪明; 焉维; 孙夏微

doi:10.3788/fgxb20123301.0021

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荧光粉Y₃Mg₂AlSi₂O₁₂∶Ce³⁺的合成及光谱性能研究

材料合成及性能研究 | 更新时间：2020-08-12

- 荧光粉Y₃Mg₂AlSi₂O₁₂∶Ce³⁺的合成及光谱性能研究
- Synthesis and Luminescence Properties of Y₃Mg₂AlSi₂O₁₂∶Ce³⁺ Phosphor
- 发光学报 2012年33卷第1期页码：21-25
- 作者机构：
  
  中国地质大学材料与化学学院, 湖北武汉 430074
- 作者简介：
- 基金信息：
  
  国家自然科学基金(40643018)资助项目()
- DOI：10.3788/fgxb20123301.0021
  中图分类号： O482.31
- 收稿日期：2011-10-21，
  
  修回日期：2011-11-14，
  
  网络出版日期：2012-01-10，
  
  纸质出版日期：2012-01-10
- 稿件说明：
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雷婷, 谭劲, 孟小康, 张玮, 李聪明, 焉维, 孙夏微. 荧光粉Y3Mg2AlSi2O12∶Ce3+的合成及光谱性能研究[J]. 发光学报, 2012,33(1): 21-25

LEI Ting, TAN Jin, MENG Xiao-kang, ZHANG Wei, LI Cong-ming, YAN Wei, SUN Xia-wei. Synthesis and Luminescence Properties of Y3Mg2AlSi2O12∶Ce3+ Phosphor[J]. 发光学报, 2012,33(1): 21-25
雷婷, 谭劲, 孟小康, 张玮, 李聪明, 焉维, 孙夏微. 荧光粉Y3Mg2AlSi2O12∶Ce3+的合成及光谱性能研究[J]. 发光学报, 2012,33(1): 21-25 DOI： 10.3788/fgxb20123301.0021.

LEI Ting, TAN Jin, MENG Xiao-kang, ZHANG Wei, LI Cong-ming, YAN Wei, SUN Xia-wei. Synthesis and Luminescence Properties of Y3Mg2AlSi2O12∶Ce3+ Phosphor[J]. 发光学报, 2012,33(1): 21-25 DOI： 10.3788/fgxb20123301.0021.

摘要

采用溶胶-凝胶法合成了Y

AlSi

∶Ce

荧光粉。用X射线粉晶衍射(XRD)仪对其进行了物相分析

用电子扫描电镜(SEM)观察了该荧光粉的形貌

同时测定了激发光谱及发射光谱。结果表明

AlSi

∶Ce

的晶体结构与Y

(钇铝石榴石)一致

形貌也表现出等轴粒状的特点。发射谱为峰值位于580 nm处的宽带发射

是Ce

的 4f

-4f

特征跃迁发射。激发谱表现为340 nm和468 nm的双峰带

可以被蓝光有效的激发。Ce

的浓度对发光强度有明显的影响

当Ce

的摩尔分数为0.06时

发光强度最大。最后考察了成分取代而导致的Y

AlSi

∶Ce

的物相转变和对发光性能的影响。

Abstract

The Y

AlSi

∶Ce

phosphor was synthesized by sol-gel method. Phase analysis of prepared samples was carried out by X-ray diffraction. The morphology was observed by scanning electron microscopy (SEM)

and the excitation and emission spectra were determined. The results show that the crystal structure of synthesized Y

AlSi

is consistent with Y

(Yttrium aluminum garnet)

and morphology displays the equiaxial granular characteristics. The emission band of the phosphor is wide

and the peak is near 580 nm

corresponding to the 4f

-4f

typical transitions of Ce

and the excitation spectrum has two peaks at 340 nm and 468 nm

indicating that the phosphor can be excited effectively by blue light. The spectral intensity is significantly influenced by the doping concentration of Ce

and reaches a maximum value at the doping mole fraction of 6%. Moreover

composition replacement results in phase transformations of Y

AlSi

∶Ce

and influences luminous property.

关键词

Keywords

references

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