溶胶-凝胶法制备YAG:Ce,Yb纳米荧光粉及其发光性质研究

唐靓; 叶慧琪; 肖东

doi:10.3788/fgxb20183908.1051

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溶胶-凝胶法制备YAG:Ce,Yb纳米荧光粉及其发光性质研究

材料合成及性能 | 更新时间：2020-08-12

- 溶胶-凝胶法制备YAG:Ce,Yb纳米荧光粉及其发光性质研究
- YAG:Ce,Yb Nano-phosphor Synthesized by Sol-gel Method and Its Luminescence Properties
- 发光学报 2018年39卷第8期页码：1051-1058
- 作者机构：
  
  1. 中国科学院大学北京,100049
  2. 中国科学院国家天文台南京天文光学技术研究所, 江苏南京 210042
  3. 中国科学院南京天文光学技术研究所天文光学技术重点实验室,江苏南京,210042
- 作者简介：
- 基金信息：
  
  江苏省基础研究计划（自然科学基金）重点研究专项（BK2011033）();天津市科技支撑计划（15ZCZDGX00250）资助项目()
- DOI：10.3788/fgxb20183908.1051
  中图分类号： O482.31
- 纸质出版日期：2018-8-5，
  
  网络出版日期：2018-4-2，
  
  收稿日期：2017-11-15，
  
  修回日期：2018-3-4，
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唐靓, 叶慧琪, 肖东. 溶胶-凝胶法制备YAG:Ce,Yb纳米荧光粉及其发光性质研究[J]. 发光学报, 2018,39(8): 1051-1058

TANG Liang, YE Hui-qi, XIAO Dong. YAG:Ce,Yb Nano-phosphor Synthesized by Sol-gel Method and Its Luminescence Properties[J]. Chinese Journal of Luminescence, 2018,39(8): 1051-1058
唐靓, 叶慧琪, 肖东. 溶胶-凝胶法制备YAG:Ce,Yb纳米荧光粉及其发光性质研究[J]. 发光学报, 2018,39(8): 1051-1058 DOI： 10.3788/fgxb20183908.1051.

TANG Liang, YE Hui-qi, XIAO Dong. YAG:Ce,Yb Nano-phosphor Synthesized by Sol-gel Method and Its Luminescence Properties[J]. Chinese Journal of Luminescence, 2018,39(8): 1051-1058 DOI： 10.3788/fgxb20183908.1051.

摘要

使用溶胶-凝胶法在不同煅烧温度下制备了不同掺杂的YAG：Ce，Yb荧光粉。使用扫描电镜、X射线衍射仪对其形貌、结构进行了表征；采用光致发光、荧光寿命等技术，对其发光性质进行了研究。结果表明：粉体粒径随煅烧温度上升而增大，在1 000℃下，得到平均尺寸~84 nm的纳米荧光粉。溶胶-凝胶法产物与高温固态法产物相比，Yb

离子发光的猝灭浓度由10%下降至5%。这可能是由于溶胶-凝胶反应产物体系中掺杂离子分布更加均匀所致。

Abstract

YAG:Ce

Yb nano-phosphor with different doping concentrations was synthesized under various sinter temperature

via

sol-gel method. The morphology and structure of the resulting products were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The luminescence properties of the phosphors were studied by photoluminescence spectra and lifetimes. The samples show a rise in particle size with increased calcination temperature. Under 1 000℃

pure YAG phase with an average particle size of~84 nm are obtained. The quenching concentration of Yb

in the aforementioned phosphors exhibits a decrease from 10% to 5%

probably due to more homogeneous distribution of doping ions in the system of sol-gel products.

关键词

YAG:CeYb溶胶-凝胶法纳米荧光粉猝灭浓度

Keywords

YAG:CeYbsol-gel methodnano-phosphorquenching concentration

references

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