Luminescence properties and energy transfer investigations of Ce3+ singly doped and Ce3+/Tb3+ codoped Na3LuSi2O7 phosphors

被引：12
|
作者：
Li, Qingxi [1 ]
Zhang, Xiyan [1 ]
Jiang, Lipeng [1 ]
Zhu, Shiqi [1 ]
Tang, He [1 ]
Zhang, Wenmin [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Mat Sci & Engn, Changchun 130022, Jilin, Peoples R China
来源：
OPTICAL MATERIALS | 2019年 / 88卷
关键词：
Na3LuSi2O7:Ce3+; Tb3+; phosphors; Luminescence; Energy transfer; PHOTOLUMINESCENCE PROPERTIES; CRYSTAL-STRUCTURE; TB3+; COLOR; EU2+;
D O I：
10.1016/j.optmat.2018.11.053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Na3LuSi2O7:Ce3+ and Na3LuSi2O7:Ce3+, Tb3+ phosphors were synthesized under a weak reducing atmosphere by the traditional high temperature solid state reaction method. The synthesized phosphors were characterized by X-ray diffraction (XRD), Photoluminescence (PL) emission and excitation spectra. The effects of Ce3+ singly doped and Ce3+/Tb3+ codoped concentrations on the structure, luminescence properties and energy transfer of Na3LuSi2O7 phosphors were studied in detail. The results indicated that the energy transfers between Ce3+ and Tb3+ in the host occurred mainly via a dipole-quadrupole mechanism, and the critical distances of the ion pairs (R-c) were calculated by the quenching concentration method and spectral overlap method. Based on the good PL properties adjusting the doping concentration of the activators (Ce3+,Tb3+) might be promising as a host material for solid-state lighting and display fields.
引用
收藏
页码：313 / 319
页数：7
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