Synthesis and Characterization of Up-conversion Luminescence Material Er3+/Yb3+ Co-doped BaGd2O4

YANG Yan-min; ZHANG Jiao; SU Xian-yuan; MI Chao; LI Xiao-hong; YU Fang; LI Zhi-qiang

doi:10.3788/fgxb20133412.1585

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Synthesis and Characterization of Up-conversion Luminescence Material Er³⁺/Yb³⁺ Co-doped BaGd₂O₄

更新时间：2020-08-12

- Synthesis and Characterization of Up-conversion Luminescence Material Er³⁺/Yb³⁺ Co-doped BaGd₂O₄
- Chinese Journal of Luminescence Vol. 34, Issue 12, Pages: 1585-1590(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/fgxb20133412.1585
  CLC： O482.31
- Received：20 July 2013，
  
  Revised：19 August 2013，
  
  Published：10 December 2013
- 稿件说明：
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杨艳民, 张娇, 苏献园, 米超, 李晓红, 于芳, 李志强. Yb3+/Er3+共掺BaGd2O4荧光粉的制备及其上转换发光性质[J]. 发光学报, 2013,34(12): 1585-1590

YANG Yan-min, ZHANG Jiao, SU Xian-yuan, MI Chao, LI Xiao-hong, YU Fang, LI Zhi-qiang. Synthesis and Characterization of Up-conversion Luminescence Material Er3+/Yb3+ Co-doped BaGd2O4[J]. Chinese Journal of Luminescence, 2013,34(12): 1585-1590
杨艳民, 张娇, 苏献园, 米超, 李晓红, 于芳, 李志强. Yb3+/Er3+共掺BaGd2O4荧光粉的制备及其上转换发光性质[J]. 发光学报, 2013,34(12): 1585-1590 DOI： 10.3788/fgxb20133412.1585.

YANG Yan-min, ZHANG Jiao, SU Xian-yuan, MI Chao, LI Xiao-hong, YU Fang, LI Zhi-qiang. Synthesis and Characterization of Up-conversion Luminescence Material Er3+/Yb3+ Co-doped BaGd2O4[J]. Chinese Journal of Luminescence, 2013,34(12): 1585-1590 DOI： 10.3788/fgxb20133412.1585.

摘要

采用溶胶-凝胶法制备了Yb

/Er

共掺杂BaGd

上转换荧光粉。研究了退火温度对BaGd

晶体结构的影响，以及Yb

/Er

共掺杂的BaGd

荧光粉在971 nm LED激发下，激发密度与上转换发射光功率及效率的关系。研究结果表明，尽管BaGd

与目前报道效率最高的Yb

/Er

共掺杂BaGd

ZnO

基质的最高声子能量相同，但光-光转换效率却相差82倍，极值量子效率相差7.8倍。结论认为，在声子能量不是很高的情况下，材料结构是影响上转换效率的主要因素。

Abstract

/Er

co-doped BaGd

phosphors were prepared by the sol-gel method. The influence of annealing temperature on BaGd

crystal structure was investigated. Under 971 nm excitation

the dependence of the emission power and the up-conversion efficiency on the excitation density was studied. The obtained data show that the light conversion and absolute quantum efficiency of BaGd

:Yb

are 82 and 7.8 times smaller than that of BaGd

ZnO

:Yb

respectively. But the phonon energy of BaGd

is almost the same with that of BaGd

ZnO

:Yb

which possesses the highest efficiency as ever reported. So

we can conclude that the material structure is the main influencing factor on the up-conversion efficiency when the phonon energy of the host is not very high.

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Keywords

references

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