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[1]薛鹏,宁航,田莲花.可调色荧光粉LaSrZnNbO6:Bi3+,Sm3+的发光性质及Bi3+和Sm3+离子间的能量传递机理[J].延边大学学报(自然科学版),2021,47(04):309-313,374.
　XUE Peng,NING Hang,TIAN Lianhua.Luminescence properties and energy transfer mechanism between Bi3+ and Sm3+ of color - tunable LaSrZnNbO6: Bi3+,Sm3+ phosphors[J].Journal of Yanbian University,2021,47(04):309-313,374.

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可调色荧光粉LaSrZnNbO₆:Bi³⁺,Sm³⁺的发光性质及Bi³⁺和Sm³⁺离子间的能量传递机理

《延边大学学报(自然科学版)》[ISSN:1004-4353/CN:22-1191/N] 卷: 第47卷期数: 2021年04期页码: 309-313,374 栏目: 基础科学研究出版日期: 2021-12-20

Title:: Luminescence properties and energy transfer mechanism between Bi³⁺ and Sm³⁺ of color - tunable LaSrZnNbO₆: Bi³⁺,Sm³⁺ phosphors

文章编号:: 1004-4353(2021)04-0309-06

作者:: 薛鹏; 宁航; 田莲花; (延边大学理学院, 吉林延吉 133002)

Author(s):: XUE Peng; NING Hang; TIAN Lianhua; (College of Science, Yanbian University, Yanji 133002, China)

关键词:: 荧光粉; 高温固相法; 能量传递; 激发光谱; 发射光谱

Keywords:: phosphor; high temperature solid state reaction method; energy transfer; excitation spectra; emission spectra

分类号:: O482.31

文献标志码:: A

摘要:: 采用高温固相法合成了系列LaSrZnNbO₆:Bi³⁺,Sm³⁺荧光粉,并对其发光性质以及Bi³⁺、Sm³⁺离子间的能量传递机理进行了研究.结果显示,当以Bi³⁺的¹S₀→ ³P₁激发位置(338 nm)激发Bi³⁺和Sm³⁺共掺杂LaSrZnNbO₆荧光粉时,在LaSrZnNbO₆荧光粉的发射光谱中同时出现了Bi³⁺和Sm³⁺的发射峰,表明在LaSrZnNbO₆基质中存在Bi³⁺→ Sm³⁺的能量传递.经计算, Bi³⁺离子和Sm³⁺离子间的能量传递效率可达到86.9%.通过改变Bi³⁺离子和Sm³⁺离子的掺杂浓度可以使LaSrZnNbO₆荧光粉的CIE色坐标由蓝光区域移动至粉白光区域,表明通过调节掺杂浓度可制备出颜色可调谐的荧光粉.

Abstract:: A series of LaSrZnNbO₆:Bi³⁺/Sm³⁺/Bi³⁺,Sm³⁺ phosphors were synthesized by high temperature solid state reaction method.Their luminescence properties and energy transfer mechanism between Bi³⁺ and Sm³⁺ were investigated in this paper.The results show that the emission spectra of Bi³⁺ and Sm³⁺ co - doped LaSrZnNbO₆ phosphors exhibits both of Bi³⁺ and Sm³⁺ emission peaks with excited at the excitation wavelength of 338 nm which is the ¹S₀→ ³P₁ transition of Bi³⁺.It indicates that Bi³⁺→ Sm³⁺ energy transfer exists in LaSrZnNbO₆ host.By calculating, the energy transfer efficiency between Bi³⁺ and Sm³⁺ ions can reach 86.9%.The CIE coordinates of LaSrZnNbO₆ phosphors can be moved from the blue region to the pink - white region by changing the doping concentration of Bi³⁺ and Sm³⁺ ions, indicating that color - tunable phosphor can be prepared by adjusting the doping concentration.

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备注/Memo

收稿日期: 2021-08-11
基金项目: 吉林省教育厅“十三五”科学技术项目(JJKH20180893KJ)
第一作者: 薛鹏(1995—),男,在读硕士,研究方向为发光学.
通信作者: 田莲花(1972—),女,博士,教授,研究方向为发光学.

更新日期/Last Update: 2021-12-20