Synthesis and Near-infrared Quantum Cutting of Tb3+, Yb3+ Codoped BaGd2ZnO5 Phosphors

YANG Yan-min; LIU Lin-lin; Cai Shu-zhen; Jiao Fu-yun

doi:10.3788/fgxb20133409.1173

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Synthesis and Near-infrared Quantum Cutting of Tb³⁺, Yb³⁺ Codoped BaGd₂ZnO₅ Phosphors

更新时间：2020-08-12

- Synthesis and Near-infrared Quantum Cutting of Tb³⁺, Yb³⁺ Codoped BaGd₂ZnO₅ Phosphors
- Chinese Journal of Luminescence Vol. 34, Issue 9, Pages: 1173-1177(2013)
- 作者机构：
  
  河北大学物理科学与技术学院,河北保定,071002
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133409.1173
  CLC： 0482.31
- Received：12 May 2013，
  
  Revised：07 June 2013，
  
  Published：10 September 2013
- 稿件说明：
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杨艳民, 刘琳琳, 蔡淑珍, 焦福运. Tb3+、Yb3+共掺BaGd2ZnO5荧光粉的制备及其近红外量子剪裁研究[J]. 发光学报, 2013,34(9): 1173-1177

YANG Yan-min, LIU Lin-lin, Cai Shu-zhen, Jiao Fu-yun. Synthesis and Near-infrared Quantum Cutting of Tb3+, Yb3+ Codoped BaGd2ZnO5 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(9): 1173-1177
杨艳民, 刘琳琳, 蔡淑珍, 焦福运. Tb3+、Yb3+共掺BaGd2ZnO5荧光粉的制备及其近红外量子剪裁研究[J]. 发光学报, 2013,34(9): 1173-1177 DOI： 10.3788/fgxb20133409.1173.

YANG Yan-min, LIU Lin-lin, Cai Shu-zhen, Jiao Fu-yun. Synthesis and Near-infrared Quantum Cutting of Tb3+, Yb3+ Codoped BaGd2ZnO5 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(9): 1173-1177 DOI： 10.3788/fgxb20133409.1173.

摘要

采用高温固相法合成了Tb

、Yb

共掺杂的BaGd

ZnO

荧光粉。XRD测量数据表明合成的样品为纯相。在Tb

特征激发(297 nm)下得到了Yb

的特征发射(977 nm)

并且对Tb

与Yb

能级图进行分析

证明Tb

到Yb

为合作能量传递。测量了不同Yb

浓度下Tb

的

能级(544 nm)的发光寿命曲线

计算得到Tb

与Yb

的能量传递效率和量子效率

最高量子效率为125.5%。Yb

的发射与硅太阳能电池的吸收匹配

该材料有可能应用于硅太阳能电池以提高其转换效率。

Abstract

and Yb

codoped BaGd

ZnO

phosphors were synthesized by high temperature solid-state method. Structures of the samples were investigated by X-ray diffraction. The excitation spectra and emission spectra were measured. With the increase of Yb

concentration

the visiable emission intensity decreases but the near-infrared emission increases. So the cooperative energy transfer from Tb

to Yb

is demonstrated. The luminesence lifetime decay curves of Tb

(544 nm) with different Yb

concentrations were measured. The dependence of lifetime

energy transfer efficiency and quantum efficiency on Yb

concentration were obtained. The highest quantum efficiency is 125.5%. The emission of Yb

5/2

7/2

(977 nm) is just above the band gap of crystalline sillicon

so this material can be applied in the sillicon-based solar cells to progress the conversion efficiency.

关键词

Keywords

references

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Related Institution

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State Key Laboratory of Luminescence and Applications， Changchun Institute of Optics， Fine Mechanics and Physics， Chinese Academy of Sciences

School of Physics Science and Information Engineering， Liaocheng University

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