Luminescence Properties and Spectral Control of Ba3Ce1-<italic style="font-style: italic">x</italic>K(PO4)3F:<italic style="font-style: italic">x</italic>Tb3+ Phosphor

Zhan-chao WU; Yan-mei JIAO; Xue ZHANG; Jie LIU; Guo-tao XIANG; Li MA; Xiao-jun WANG

doi:10.37188/CJL.20200176

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Luminescence Properties and Spectral Control of Ba₃Ce_1-xK(PO₄)₃F:xTb³⁺ Phosphor

Synthesis and Properties of Materials | 更新时间：2020-10-12

- Luminescence Properties and Spectral Control of Ba₃Ce_1-xK(PO₄)₃F:xTb³⁺ Phosphor
- Chinese Journal of Luminescence Vol. 41, Issue 10, Pages: 1241-1248(2020)
- 作者机构：
  
  1.青岛科技大学化学与分子工程学院, 山东青岛 266042
  2.美国佐治亚南方大学物理系, 佐治亚斯泰茨伯勒 30460
  3.重庆邮电大学理学院, 重庆 400065
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China
- DOI：10.37188/CJL.20200176
  CLC：
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Zhan-chao WU, Yan-mei JIAO, Xue ZHANG, et al. Luminescence Properties and Spectral Control of Ba₃Ce_1-xK(PO₄)₃F:xTb³⁺ Phosphor. [J]. Chinese Journal of Luminescence 41(10):1241-1248(2020)
DOI：

Zhan-chao WU, Yan-mei JIAO, Xue ZHANG, et al. Luminescence Properties and Spectral Control of Ba₃Ce_1-xK(PO₄)₃F:xTb³⁺ Phosphor. [J]. Chinese Journal of Luminescence 41(10):1241-1248(2020) DOI： 10.37188/CJL.20200176.

摘要

采用高温固相法制备了Ba,5-2,x,Ce,x,K,x,（PO,4,）,3,F和Ba,3,Ce,1-,x,K（PO,4,）,3,F:,x,Tb,3+,荧光粉，通过XRD、SEM（含mapping和EDX）、光致激发和发射光谱对其结构、形貌、组成及发光性能进行了研究。实验结果表明，在紫外光激发下，Ba,3,CeK（PO,4,）,3,F荧光粉发出明亮的蓝光，而在Ce,3+,、Tb,3+,共掺的Ba,3,Ce,1-,x,K（PO,4,）,3,F:,x,Tb,3+,荧光粉中观察到有效的Ce-Tb能量传递，并实现了发光颜色随着Tb,3+,掺杂浓度的增加逐渐由蓝光转变为蓝绿光并最终转变为绿光的有效调控。当Tb,3+,掺杂摩尔分数,x,=0.20时，Ba,3,Ce,1-,x,K（PO,4,）,3,F:,x,Tb,3+,中Tb,3+,的发光强度达到最大。

Abstract

Ba,5-2,x,Ce,x,K,x,(PO,4,),3,F and Ba,3,Ce,1-,x,K(PO,4,),3,F:,x,Tb,3+, phosphors were prepared by high temperature solid state method. Their structure, morphology, composition and photoluminescent properties were studied by XRD, SEM(including mapping and EDX), photoluminescence excitation and emission spectra. The results show that Ba,3,CeK(PO,4,),3,F phosphor emits bright blue light under the excitation of UV light, while the emission of Ba,3,Ce,1-,x,K(PO,4,),3,F:,x,Tb,3+, phosphor gradually changes from blue light to blue green light and finally to green light as the Tb,3+, doping concentration increases. The Ce,3+, ions can strongly sensitize the luminescence of Tb,3+, ions under UV excitation through the efficient energy transfer process from Ce,3+, to Tb,3+, ions. The emission intensity of Tb,3+, in Ba,3,Ce,1-,x,K(PO,4,),3,F:,x,Tb,3+, reaches the maximum when the mole concentration of Tb,3+, is ,x,=0.20.

关键词

荧光粉Ce3+掺杂Tb3+掺杂能量传递光谱调控

Keywords

phosphorCe3+ dopedTb3+ dopedenergy transferspectral control

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Department of Physics, Georgia Southern University, Statesboro

School of Physics, Jilin Normal University

School of Materials Science and Engineering, Changchun University of Science and Technology

School of Materials Science and Engineering， Central South University

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Luminescence Properties and Spectral Control of Ba3Ce1-xK(PO4)3F:xTb3+ Phosphor

DOI：10.37188/CJL.20200176

摘要

Abstract

关键词

Keywords

references

Luminescence Properties and Spectral Control of Ba₃Ce_1-xK(PO₄)₃F:xTb³⁺ Phosphor