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[1]龚劲松,朱 齐,郑小州,等.SrLaLiTeO6:Dy3+,Eu3+荧光粉的制备及发光性能研究[J].武汉工程大学学报,2024,46(03):274-279.[doi:10.19843/j.cnki.CN42-1779/TQ.202303002]
　GONG Jinsong,ZHU Qi,ZHENG Xiaozhou,et al.Preparation and luminescence properties ofSrLaLiTeO6:Dy3+, Eu3+ phosphors[J].Journal of Wuhan Institute of Technology,2024,46(03):274-279.[doi:10.19843/j.cnki.CN42-1779/TQ.202303002]
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SrLaLiTeO6:Dy3+,Eu3+荧光粉的制备及发光性能研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年03期
页码:
274-279
栏目:
材料科学与工程
出版日期:
2024-06-30

文章信息/Info

Title:
Preparation and luminescence properties of
SrLaLiTeO6:Dy3+, Eu3+ phosphors
文章编号:
1674 - 2869（2024）03 - 0274 - 06
作者:
龚劲松; 朱 齐; 郑小州; 夏鹏举; 刘 凯; 徐 慢; 戴武斌*
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
GONG Jinsong; ZHU Qi; ZHENG Xiaozhou; XIA Pengju; LIU Kai; XU Man; DAI Wubin*
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
荧光粉; 发光性能; SrLaLiTeO6：Dy3+; Eu3+; 暖白光; 固相反应
Keywords:
phosphor;  luminescent property;  SrLaLiTeO6：Dy3+; Eu3+;  warm white light;  solid state reaction
分类号:
O482.31
DOI:
10.19843/j.cnki.CN42-1779/TQ.202303002
文献标志码:
A
摘要:
白光发光二极管（LED）的商业合成方案缺少红光成分，导致合成的白光色温较高、显色性差，因此开发性能优异的单相暖白光荧光粉成为白光LED领域研究的重要课题。以Dy3+和Eu3+为掺杂剂，SrLaLiTeO6（SLLT）为基质，采用固相反应法制备了SrLaLiTeO6:Dy3+,Eu3+无机荧光粉，并通过X射线衍射仪、荧光分光光度计和色度坐标分析荧光粉的晶体结构及光学性能。结果表明：Dy3+和Eu3+成功进入SLLT晶体，无杂质产生；SLLT:0.07Dy3+,yEu3+荧光粉在351 nm激发下能够同时发射蓝、黄、红光，证明了Dy3+和Eu3+之间存在能量传递，弥补了单掺Dy3+荧光粉缺乏红色发射的缺陷；Eu3+离子最佳掺杂浓度为0.05，此时的色度坐标为（0.391 9，0.380 9），色温为3 733 K，接近暖白光区域。因此，SrLaLiTeO6:Dy3+,Eu3+荧光粉是一种性能优异的暖白光LED荧光粉。

Abstract:
The commercial synthesis scheme of white light emitting diode （LED） lacks a red light component，resulting in high color temperature and poor color rendering of the synthesized white light. Therefore，the development of single-phase warm white phosphors with excellent performance has always been an important research topic in the field of white LED. SrLaLiTeO6:Dy3+,Eu3+ inorganic phosphors were prepared by a solid state reaction method with Dy3+ and Eu3+ as dopants and SrLaLiTeO6（SLLT）as matrix. The crystal structure and optical properties of the phosphors were analyzed by X-ray diffraction，fluorospectrophotometry and chromaticity coordinates analysis. The results show that Dy3+ and Eu3+ successfully enter the SLLT crystal，which does not produce impurities. SLLT:0.07Dy3+,yEu3+ phosphors can simultaneously emit blue，yellow and red light under 351 nm excitation，which proves that there is an energy transfer between Dy3+ and Eu3+ to make up for the lack of red emission of single-doped Dy3+ phosphors. The optimum doping concentration of Eu3+ ion is 0.05，where the chromaticity coordinate is （0.391 9，0.380 9）， the correlated color temperature is 3 733 K，which is close to the warm white light region. Consequently，SrLaLiTeO6:Dy3+,Eu3+ phosphor is an excellent warm white LED phosphor.

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备注/Memo

备注/Memo:
收稿日期：2023-03-01
基金项目：湖北省技术创新专项（2016ACA160）；武汉工程大学博士启动基金（16QD28）；武汉工程大学第十四届研究
生教育创新基金（CX2022242）
作者简介：龚劲松，硕士研究生。Email：22105010093@stu.wit.edu.cn
*通信作者：戴武斌，博士，教授。Email：wubin.dai@wit.edu.cn
引文格式：龚劲松，朱齐，郑小州，等. SrLaLiTeO6：Dy3+,Eu3+荧光粉的制备及发光性能研究［J］. 武汉工程大学学报，2024，46（3）：274-279.
更新日期/Last Update: 2024-07-02