Sol-precipitation-hydrothermal synthesis and luminescence of GdPO4:Tb3+ submicron cubes

被引：11

作者：

Cao, Yanyan ^{[1
]}

Sun, Peng ^{[2
]}

Liang, Yingmin ^{[3
]}

Wang, Rongrong ^{[4
]}

Zhang, Xiao ^{[1
]}

机构：

[1] Hebei North Univ, Coll Informat Sci & Engn, Zhangjiakou 075000, Peoples R China

[2] Hebei North Univ, Coll Foreign Languages, Zhangjiakou 075000, Peoples R China

[3] Tianjin Sanat Beijing Mil Reg, Tianjin 300191, Peoples R China

[4] Hebei North Univ, Editorial Dept Journal, Zhangjiakou 075000, Peoples R China

来源：

CHEMICAL PHYSICS LETTERS | 2016年 / 651卷

关键词：

ENERGY-TRANSFER; PHOSPHORS; IONS;

D O I：

10.1016/j.cplett.2016.03.022

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

GdPO4:Tb3+ submicron cubes were synthesized by a sol-precipitation-hydrothermal process. The XRD result indicated that GdPO4:Tb3+ submicron cubes have pure hexagonal phase. The SEM and TEM images confirmed the formation of cubic morphology. Under the excitation at 273 nm, GdPO4:Tb3+ submicron cubes show emission bands corresponding to Gd3+ and Tb3+. With the increasing Tb3+ concentration, the emission intensities originating from Gd3+ and D-5(3)-> F-7(j) transition of Tb3+ decrease, but the emission intensities originating from D-5(4)-> F-7(j) transition of Tb3+ increase. These results suggested energy transfer from Gd3+ to Tb3+ and the occurrence of cross-relaxation processes in GdPO4:Tb3+ submicron cubes. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：80 / 83

页数：4

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