Pr3+,Yb3+共掺YPO4下转换材料的制备及其转光效率

李开宇; 王如志; 曲铭浩; 张影; 严辉

doi:10.3788/fgxb20123305.0486

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Pr³⁺,Yb³⁺共掺YPO₄下转换材料的制备及其转光效率

材料合成及性能研究 | 更新时间：2020-08-12

- Pr³⁺,Yb³⁺共掺YPO₄下转换材料的制备及其转光效率
- Downconversion Materials Preparation and The Research of Conversion Efficiency in Pr³⁺, Yb³⁺ Co-doped YPO₄
- 发光学报 2012年33卷第5期页码：486-491
- 作者机构：
  
  北京工业大学材料科学与工程学院北京,100124
- 作者简介：
- 基金信息：
  
  国家自然科学基金(51032002,11074017,11174021)();北京市"();学术创新团队建设计划"();项目(PHR201007101)
- DOI：10.3788/fgxb20123305.0486
  中图分类号： O482.31
- 纸质出版日期：2012-5-10，
  
  网络出版日期：2012-5-10，
  
  收稿日期：2012-1-20，
  
  修回日期：2012-3-15，
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李开宇, 王如志, 曲铭浩, 张影, 严辉. Pr3+,Yb3+共掺YPO4下转换材料的制备及其转光效率[J]. 发光学报, 2012,(5): 486-491

LI Kai-yu, WANG Ru-zhi, QU Ming-hao, ZHANG Ying, YAN Hui. Downconversion Materials Preparation and The Research of Conversion Efficiency in Pr3+, Yb3+ Co-doped YPO4[J]. Chinese Journal of Luminescence, 2012,(5): 486-491
李开宇, 王如志, 曲铭浩, 张影, 严辉. Pr3+,Yb3+共掺YPO4下转换材料的制备及其转光效率[J]. 发光学报, 2012,(5): 486-491 DOI： 10.3788/fgxb20123305.0486.

LI Kai-yu, WANG Ru-zhi, QU Ming-hao, ZHANG Ying, YAN Hui. Downconversion Materials Preparation and The Research of Conversion Efficiency in Pr3+, Yb3+ Co-doped YPO4[J]. Chinese Journal of Luminescence, 2012,(5): 486-491 DOI： 10.3788/fgxb20123305.0486.

摘要

采用固相反应法制备了Pr

共掺杂的YPO

下转换发光粉体

并在450 nm光激发条件下

研究了Yb

不同摩尔分数(0%

20%

30%)对转光效率的影响。结果表明:不同Yb

浓度的样品

其荧光峰强度不同

这可能是由于Pr

-Yb

之间Yb

浓度不同存在能量传递效率差异的原因。研究也发现了样品的下转换发光

其能量传递过程为:Pr

5/2

。荧光光谱测试结果表明

的最佳掺杂摩尔分数为2%。Pr

共掺杂的YPO

材料在提高太阳能电池光电转换效率方面具有潜在的应用。

Abstract

co-doped YPO

downconversion phosphor powders were prepared by solid state reaction. When excitation at 450 nm

the effects of different Yb

mole fractions (0%

20%

30%) on the conversion efficiency are studied. Results shows that because of the difference of energy transfer efficiency between Pr

and Yb

the samples with various Yb

doping concentrations have different fluorescence intensity. It is also found that the energy transfer process of the downconversion luminescence in samples is Pr

5/2

. From photoluminescence spectra measurement

the optimal doping mole fraction of Yb

is 2%. The results indicate that Pr

co-doped YPO

downconversion phosphor is a kind of potential material which may be used to improve the solar cell efficency.

关键词

下转换稀土离子YPO4太阳能电池

Keywords

downconversionrare earthYPO4solar cells

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