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[1]王 喆,周诗晖,张占辉*,等.Dy3+掺杂NaLaMgWO6发光材料的制备与发光性质[J].武汉工程大学学报,2023,45(04):413-417.[doi:10.19843/j.cnki.CN42-1779/TQ.202205021]
 WANG Zhe,ZHOU Shihui,ZHANG Zhanhui*,et al.Preparation and Luminescence Properties of Dy3+ DopedNaLaMgWO6 Luminescent Materials[J].Journal of Wuhan Institute of Technology,2023,45(04):413-417.[doi:10.19843/j.cnki.CN42-1779/TQ.202205021]
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Dy3+掺杂NaLaMgWO6发光材料的制备与发光性质(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年04期
页码:
413-417
栏目:
材料科学与工程
出版日期:
2023-08-31

文章信息/Info

Title:
Preparation and Luminescence Properties of Dy3+ Doped
NaLaMgWO6 Luminescent Materials
文章编号:
1674 - 2869(2023)04 - 0413 - 05
作者:
王 喆周诗晖张占辉*黄志良
武汉工程大学材料科学与工程学院,湖北 武汉 430205
Author(s):
WANG ZheZHOU ShihuiZHANG Zhanhui*HUANG Zhiliang
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,China

关键词:
NaLaMgWO6荧光粉发光性能热稳定
Keywords:
NaLaMgWO6 phosphor luminescence performance thermal stability
分类号:
O646
DOI:
10.19843/j.cnki.CN42-1779/TQ.202205021
文献标志码:
A
摘要:
采用高温固相法,制备了一系列NaLa1-xDyxMgWO6荧光粉。考察了Dy3+离子掺杂浓度对荧光粉物相和发光性质的影响。并将所制得的荧光粉在800 ℃进行热处理,对比分析热处理前后的发光性质变化,探讨不同掺杂离子浓度样品的热稳定性。采用X射线衍射、荧光分光光度计对其进行表征。实验结果表明:在1 100 ℃温度下保温4 h,可以制备得到NaLaMgWO6单相,Dy3+的掺入未改变荧光粉基质的物相结构。在389 nm波长激发下,NaLaMgWO6:Dy3+表现出Dy3+的4F9/2→6H13/2的特征发射,属于Dy3+的黄色发射。随着掺杂离子浓度的增大,其发射强度先增大后降低,当Dy3+掺杂的原子百分数为8%时,NaLa0.92Dy0.08MgWO6荧光粉表现出最好的发射强度。在800 ℃热处理后,荧光粉的发光性质在最佳浓度处有所增强,表明其具有较好的热稳定性。NaLa0.92Dy0.08MgWO6荧光粉是一种能应用于白色发光二极管的潜在黄色发射荧光粉。

Abstract:
A series of NaLa1-xDyxMgWO6 phosphors were prepared by the high-temperature solid-phase method. The effects of Dy3+-doped concentration on the physical phase and luminescence properties of the phosphors were investigated. And the thermal stability on luminescence properties was evaluated after the phosphors were heat-treated at 800 ℃. The crystal phases and luminescence properties of NaLa1-xDyxMgWO6 phosphors were characterized by X-ray diffraction and fluorescence spectroscopy,respectively. The experimental results show that the single phase of NaLaMgWO6 can be obtained at 1 100 ℃ for 4 h,and the crystal phase is not altered by the doping of Dy3+. The NaLaMgWO6:Dy3+ phosphors exhibit yellow characteristic emission of Dy3+ under excitation of 389 nm wavelength. The emission intensity increases first and then decreases with the increase of Dy3+ concentration. When the atom percent of doped Dy3+ is 8%,the NaLa0.92Dy0.08MgWO6 phosphors exhibit the strongest emission intensity. The luminescence properties of the phosphors are enhanced at the optimal concentration after heat treatment at 800 ℃,indicating a good thermal stability. NaLa0.92Dy0.08MgWO6 phosphors can be applied as yellow-emitting materials in white light emitting diode.

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备注/Memo

备注/Memo:
收稿日期:2022-05-23
基金项目:国家自然科学基金(52172227);武汉工程大学第十四届研究生教育创新基金(CX2022229)
作者简介:王 喆,硕士研究生。E-mail:1114768520@qq.com
*通讯作者:张占辉,博士,教授。E-mail:zzhlzu@163.com
引文格式:王喆,周诗晖,张占辉,等. Dy3+掺杂NaLaMgWO6发光材料的制备与发光性质[J]. 武汉工程大学学报,2023,45(4):413-417.

更新日期/Last Update: 2023-08-31