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[1]夏鹏举,张宇菲,叶子言,等.Ce/Tb/Sm掺杂Ba2CaB2Si4O14荧光粉的制备及性能研究[J].武汉工程大学学报,2025,47(02):160-166.[doi:10.19843/j.cnki.CN42-1779/TQ.202403022]
　XIA Pengju,ZHANG Yufei,YE Ziyan,et al.Preparation and properties of Ba2CaB2Si4O14 phosphors doped with Ce/Tb/Sm[J].Journal of Wuhan Institute of Technology,2025,47(02):160-166.[doi:10.19843/j.cnki.CN42-1779/TQ.202403022]
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Ce/Tb/Sm掺杂Ba2CaB2Si4O14荧光粉的制备及性能研究
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年02期
页码:
160-166
栏目:
材料科学与工程
出版日期:
2025-05-09

文章信息/Info

Title:
Preparation and properties of Ba2CaB2Si4O14 phosphors doped with Ce/Tb/Sm
文章编号:
1674 - 2869（2025）02 - 0160 - 07
作者:
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
Keywords:
分类号:
O482.31
DOI:
10.19843/j.cnki.CN42-1779/TQ.202403022
文献标志码:
A
摘要:
以Ce3+、Tb3+、Sm3+为掺杂离子，以Na+离子为电荷补偿剂，以Ba2CaB2Si4O14（BCBSO）为基质，通过高温固相法制备了单相白光荧光粉。采用X射线衍射仪和荧光分光光度计表征了Ba2CaB2Si4O14：Ce3+/Tb3+/Sm3+荧光粉的结构特点和发光性能，利用色度坐标分析得到荧光粉的发光颜色和色度坐标点。结果表明：掺杂离子成功进入基质的格位，并且不会引起基质晶体结构的改变，在近紫外光的激发下，Ce3+、Tb3+、Sm3+能够实现良好的蓝青色、绿色、橙红色光的发射，实验证实了不同稀土离子（Ce3+，Tb3+，Sm3+）之间存在能量传递，经过光色的复合可以实现良好的白光发射及光色可调，色度坐标为（0.349 8，0.339 4），色温为4 776.3 K，能实现良好的暖白光发射。测试计算了样品的内量子效率为56.1%，在573 K的测试条件下，样品的发光强度仍能保持室温下强度的85%，具有良好的热稳定性，可用于白光发光二极管领域。
Abstract:
Single-phase white light phosphors were prepared by a high-temperature solid-phase method using Ce3+，Tb3+，and Sm3+ as doping ions，Na+ ions as charge compensators，and Ba2CaB2Si4O14 （BCBSO） as the matrix. The structural characteristics and luminescent properties of the Ba2CaB2Si4O14：Ce3+/Tb3+/Sm3+ phosphor were characterized using X-ray diffractometer and fluorescence spectrophotometer，and the luminescence color and chromaticity coordinates were obtained through color coordinate analysis. The experimental results showed that the doping ions had successfully entered the matrix lattice， without altering the crystal structure of the matrix. Under the excitation of near-ultraviolet light，Ce3+，Tb3+，and Sm3+ could achieve excellent blue-green and orange-red light emission. The experiment has confirmed the existence of energy transfer between different rare earth ions （Ce3+，Tb3+，Sm3+） and the white light emission and color tuning can be achieved through the composition of light and color. The chromaticity coordinates are （0.349 8，0.339 4） and the color temperature is 4 776.3 K，which can achieve good warm white light emission. The internal quantum efficiency of the sample was calculated to be 56.1%，and the luminous intensity of the sample could still maintain 85% of the intensity at room temperature under the test condition of 573 K，demonstrating good thermal stability and it could be used in white light-emitting diodes.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2024-03-18
基金项目：武汉工程大学第十五届研究生教育创新基金（CX2023059）
作者简介：夏鹏举，硕士研究生。Email：22205010108@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：夏鹏举，张宇菲，叶子言，等. Ce/Tb/Sm掺杂Ba2CaB2Si4O14荧光粉的制备及性能研究［J］. 武汉工程大学学报，2025，47（2）：160-166.
更新日期/Last Update: 2025-05-08