Luminescence Properties of Er3+,Yb3+ Co-doped NaGd(MoO4)2 Phosphors

LIU Yu-qi; ZHONG Hai-yang; SUN Jia-shi; ZHANG Jin-su; LI Xiang-ping; CHENG Li-hong; ZHANG

doi:10.3788/fgxb20133407.0850

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Luminescence Properties of Er³⁺,Yb³⁺ Co-doped NaGd(MoO₄)₂ Phosphors

更新时间：2020-08-12

- Luminescence Properties of Er³⁺,Yb³⁺ Co-doped NaGd(MoO₄)₂ Phosphors
- Chinese Journal of Luminescence Vol. 34, Issue 7, Pages: 850-855(2013)
- 作者机构：
  
  大连海事大学物理系,辽宁大连,116026
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133407.0850
  CLC： O482.31
- Received：01 April 2013，
  
  Revised：01 June 2013，
  
  Published：10 July 2013
- 稿件说明：
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刘玉琪, 仲海洋, 孙佳石, 张金苏, 李香萍, 程丽红, 张丽辉. Er3+,Yb3+共掺杂NaGd(MoO4)2荧光粉的发光特性[J]. 发光学报, 2013,34(7): 850-855

LIU Yu-qi, ZHONG Hai-yang, SUN Jia-shi, ZHANG Jin-su, LI Xiang-ping, CHENG Li-hong, ZHANG Li-hui. Luminescence Properties of Er3+,Yb3+ Co-doped NaGd(MoO4)2 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(7): 850-855
刘玉琪, 仲海洋, 孙佳石, 张金苏, 李香萍, 程丽红, 张丽辉. Er3+,Yb3+共掺杂NaGd(MoO4)2荧光粉的发光特性[J]. 发光学报, 2013,34(7): 850-855 DOI： 10.3788/fgxb20133407.0850.

LIU Yu-qi, ZHONG Hai-yang, SUN Jia-shi, ZHANG Jin-su, LI Xiang-ping, CHENG Li-hong, ZHANG Li-hui. Luminescence Properties of Er3+,Yb3+ Co-doped NaGd(MoO4)2 Phosphors[J]. Chinese Journal of Luminescence, 2013,34(7): 850-855 DOI： 10.3788/fgxb20133407.0850.

摘要

采用高温固相法制备了Er

共掺杂的NaGd(MoO

)

荧光粉

通过X射线衍射对样品的物相结构进行了分析

采用荧光光谱手段对样品的下转换发光特性和上转换发光特性进行了研究。通过对激发、发射光谱的分析

发现基质到Er

存在有效的能量传递。通过对样品上转换发光光谱的分析

发现在不同Yb

掺杂浓度样品中

红光和绿光上转换发光均为双光子过程

并对样品上转换发光强度与LD泵浦电流和掺杂离子浓度的关系进行了讨论。

Abstract

co-doped NaGd(MoO

)

phosphors were synthesized via solid-state reaction method. Their structures were investigated with X-ray diffraction at first

and the down-conversion and up-conversion properties of the phosphors were investigated as well. On one hand

it is confirmed that the excitation energy can be effectively transferred from host lattice to luminescent centers

upon analyzing excitation spectrum and emission spectrum. On the other hand

it is found

from the up-conversion luminescent spectrum

that the two-photon process is responsible for both red and green up-conversion emissions in the samples of wide range of Yb

concentrations. In addition the effect of LD pump current and dopant concentrations on up-conversion luminescence intensity were studied. Finally

the mechanism of up-converting luminescence was interpreted.

关键词

Keywords

references

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