YAG中Cr3+和Yb3+的发光特征以及Cr3+和Yb3+之间的能量传递过程

张继森; 张立国; 任建岳; 段佩华; 骆永石; 吕少哲

doi:10.3788/fgxb20153603.0262

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YAG中Cr³⁺和Yb³⁺的发光特征以及Cr³⁺和Yb³⁺之间的能量传递过程

材料合成及性能 | 更新时间：2020-08-12

- YAG中Cr³⁺和Yb³⁺的发光特征以及Cr³⁺和Yb³⁺之间的能量传递过程
- Properties of NIR Emissions with Energy-transfer Processes in Cr³⁺- and Yb³⁺-doped Y₃Al₅O₁₂ Powder Materials
- 发光学报 2015年36卷第3期页码：262-266
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
- 作者简介：
- 基金信息：
  
  国家自然科学基金(11174276,11174278)资助项目()
- DOI：10.3788/fgxb20153603.0262
  中图分类号： O482.31
- 纸质出版日期：2015-3-3，
  
  收稿日期：2014-12-10，
  
  修回日期：2015-1-5，
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张继森, 张立国, 任建岳等. YAG中Cr3+和Yb3+的发光特征以及Cr3+和Yb3+之间的能量传递过程[J]. 发光学报, 2015,36(3): 262-266

ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue etc. Properties of NIR Emissions with Energy-transfer Processes in Cr3+- and Yb3+-doped Y3Al5O12 Powder Materials[J]. Chinese Journal of Luminescence, 2015,36(3): 262-266
张继森, 张立国, 任建岳等. YAG中Cr3+和Yb3+的发光特征以及Cr3+和Yb3+之间的能量传递过程[J]. 发光学报, 2015,36(3): 262-266 DOI： 10.3788/fgxb20153603.0262.

ZHANG Ji-sen, ZHANG Li-guo, REN Jian-yue etc. Properties of NIR Emissions with Energy-transfer Processes in Cr3+- and Yb3+-doped Y3Al5O12 Powder Materials[J]. Chinese Journal of Luminescence, 2015,36(3): 262-266 DOI： 10.3788/fgxb20153603.0262.

摘要

室温下观察了YAG:Cr

材料在近红外区域的发光特性

并通过对Cr

和Yb

5/2

能级辐射跃迁寿命以及它们布居时间的比较研究

提出了从Cr

到Yb

的能量传递机制

同时借助于能级图描述了从Cr

到Yb

的能量传递以及Cr

和Yb

的近红外发光过程。

Abstract

- and Yb

-doped YAG powder samples were prepared and the energy transfer (ET) mechanism in the samples was evaluated by the photoluminescence (PL)

photoluminescence excitation (PLE) and light-emitting lifetime. By taking advantage of the spin allowed

and

absorption of Cr

and the efficient energy transfer from Cr

to Yb

the broadband spectral conversion makes Yb

5/2

7/2

transition give off a desirable emission around 1 000 nm

which is according to the maximum spectral response of c-Si solar cells

and hence would lead to the enhancement of silicon solar photovoltaic conversion efficiency.

关键词

Cr3+Yb3+近红外发光能量传递

Keywords

Cr3+Yb3+NIR emissionenergy transfer

references

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