Synthesis and Enhanced Upconversion Optical Properties of Cu2+ Ion Doped &beta;-NaYF4:Yb3+,Er3+ Crystals

WANG Xue; LAN Min; YANG Yi-zhou; WANG Li-li; SUN Zheng-hao; WANG Wen-wen

doi:10.3788/fgxb20183908.1082

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Synthesis and Enhanced Upconversion Optical Properties of Cu²⁺ Ion Doped β-NaYF₄:Yb³⁺,Er³⁺ Crystals

更新时间：2020-08-12

- Synthesis and Enhanced Upconversion Optical Properties of Cu²⁺ Ion Doped β-NaYF₄:Yb³⁺,Er³⁺ Crystals
- Chinese Journal of Luminescence Vol. 39, Issue 8, Pages: 1082-1086(2018)
- 作者机构：
  
  1. 长春工业大学化学与生命科学学院,吉林长春,130012
  2. 长春工业大学材料科学与工程学院,吉林长春,130012
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(61405016);Natural Scienc
- DOI：10.3788/fgxb20183908.1082
  CLC： O482.31
- Received：11 December 2017，
  
  Revised：22 January 2018，
  
  Published Online：01 February 2018，
  
  Published：05 August 2018
- 稿件说明：
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王雪, 兰民, 杨怡舟等. Cu2+离子共掺杂的β-NaYF4:Yb3+,Er3+晶体的制备与上转换发光性能的提高[J]. 发光学报, 2018,39(8): 1082-1086

WANG Xue, LAN Min, YANG Yi-zhou etc. Synthesis and Enhanced Upconversion Optical Properties of Cu2+ Ion Doped β-NaYF4:Yb3+,Er3+ Crystals[J]. Chinese Journal of Luminescence, 2018,39(8): 1082-1086
王雪, 兰民, 杨怡舟等. Cu2+离子共掺杂的β-NaYF4:Yb3+,Er3+晶体的制备与上转换发光性能的提高[J]. 发光学报, 2018,39(8): 1082-1086 DOI： 10.3788/fgxb20183908.1082.

WANG Xue, LAN Min, YANG Yi-zhou etc. Synthesis and Enhanced Upconversion Optical Properties of Cu2+ Ion Doped β-NaYF4:Yb3+,Er3+ Crystals[J]. Chinese Journal of Luminescence, 2018,39(8): 1082-1086 DOI： 10.3788/fgxb20183908.1082.

摘要

采用水热法制备Cu

离子共掺杂的-NaYF

：20% Yb

，2% Er

上转换晶体。通过X射线衍射（XRD）及透射电子显微镜（TEM）数据分析，Cu

离子的掺杂不影响样品的晶相与形貌。通过荧光光谱观察到，随着Cu

离子的掺杂摩尔分数从0增加到40%，紫外到可见的上转换发光强度先增大再减小。在掺杂5% Cu

离子时，-NaYF

：20% Yb

，2% Er

晶体呈现出最大的上转换发光强度。这是因为低价态的Cu

离子掺杂导致F

空位的产生，降低了Er

离子周围晶体场的对称性，从而有利于上转换发光的增强。

Abstract

-NaYF

:20%Yb

2%Er

upconversion crystals co-doped with Cu

ion were prepared by a solvothermal method. X-ray diffraction(XRD) and transmission electron microscopy(TEM) analysis demonstrated that the phase and morphology of the samples did not change significantly with increasing Cu

ion doping concentration. The upconversion emission intensities in the UV/violet and visible regions increased at first and then decreased with the increase of the dopant concentrations of Cu

ion from 0 to 40%. The -NaYF

:Yb

microcrystals co-doped with 5% Cu

ion exhibited the maximum upconversion emission intensity. It may be attributed to the substitution of Y

ion by low-valence Cu

ion

which may generate F

vacancies. It decreased the crystal symmetry around the Er

ion

and favored the improvement of the upconversion luminescence.

关键词

Keywords

references

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⁰

Synthesis and Enhanced Upconversion Optical Properties of Cu2+ Ion Doped β-NaYF4:Yb3+,Er3+ Crystals

DOI：10.3788/fgxb20183908.1082

摘要

Abstract

关键词

Keywords

references

Synthesis and Enhanced Upconversion Optical Properties of Cu²⁺ Ion Doped β-NaYF₄:Yb³⁺,Er³⁺ Crystals