CaF2：xYb3+, yEr3+纳米颗粒的合成及其上转换发光性质

裴建峰; 吴青龙; 德格吉呼

doi:10.3788/fgxb20143504.0448

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CaF₂：xYb³⁺, yEr³⁺纳米颗粒的合成及其上转换发光性质

材料合成及性能 | 更新时间：2020-08-12

- CaF₂：xYb³⁺, yEr³⁺纳米颗粒的合成及其上转换发光性质
- Synthesis and Up-conversion Luminescence Properties of CaF₂：xYb³⁺,yEr³⁺ Nanoparticles
- 发光学报 2014年35卷第4期页码：448-453
- 作者机构：
  
  1. 内蒙古师范大学化学与环境科学学院,内蒙古呼和浩特,010022
  2. 内蒙古师范大学内蒙古功能材料物理与化学重点实验室,内蒙古呼和浩特,010022
- 作者简介：
- 基金信息：
  
  国家自然科学基金（21261016，20863005）();内蒙古自然科学基金（2012MS0209）资助项目()
- DOI：10.3788/fgxb20143504.0448
  中图分类号： O482.31
- 收稿日期：2013-11-27，
  
  修回日期：2013-12-22，
  
  网络出版日期：2014-01-24，
  
  纸质出版日期：2014-04-03
- 稿件说明：
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裴建峰, 吴青龙, 德格吉呼. CaF2：xYb3+, yEr3+纳米颗粒的合成及其上转换发光性质[J]. 发光学报, 2014,35(4): 448-453

PEI Jian-feng, WU Qing-long, DE Ge-ji-hu. Synthesis and Up-conversion Luminescence Properties of CaF2：xYb3+,yEr3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(4): 448-453
裴建峰, 吴青龙, 德格吉呼. CaF2：xYb3+, yEr3+纳米颗粒的合成及其上转换发光性质[J]. 发光学报, 2014,35(4): 448-453 DOI： 10.3788/fgxb20143504.0448.

PEI Jian-feng, WU Qing-long, DE Ge-ji-hu. Synthesis and Up-conversion Luminescence Properties of CaF2：xYb3+,yEr3+ Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(4): 448-453 DOI： 10.3788/fgxb20143504.0448.

摘要

采用水热合成法制备了CaF

：

，

（

=0.1~0.8，

=0.01~0.08）纳米颗粒，利用X射线粉末衍射仪、透射电子显微镜和F-4600荧光分光光度计表征了样品的物相和形貌尺寸，并探究了Yb

和Er

掺杂浓度对样品的上转换发光性质的影响。结果表明，所合成的样品为立方相，球形颗粒，平均直径为 12 nm，敏化剂Yb

的最佳掺杂摩尔分数为20%，而激活剂Er

的最佳掺杂摩尔分数为6%。此时，绿光与红光的强度之比最大。

Abstract

Green up-conversion luminescence material CaF

(

=0.1~0.8

=0.01~0.08) nanoparticles were synthesized by the hydrothermal method. The crystal structure

morphology and up-conversion spectra of the samples were characterized using X-ray powder diffractometer

transmission electron microscope and fluorescence spectrophotometer with single-wavelength diode laser of 980 nm. The samples are cubic phase and spherical shape with an average size of 12 nm. The influence of Yb

and Er

concentration on the up-conversion luminescence of the CaF

(

=0.1~0.8

=0.01~0.08) nanoparticles were systematically investigated and discussed. It is found that the optimum mole fraction of the sensitizer Yb

is 20% and the activator Er

is 6%. At this point

the ratio of the green and red light intensity is the largest.

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references

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