Low-temperature synthesis of nanocrystalline ZnGa2O4:Tb3+ phosphors via the Pechini method

被引：26

作者：

Xu, ZH ^{[1
]}

Li, YX ^{[1
]}

Liu, ZF ^{[1
]}

Xiong, Z ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2004年 / 110卷 / 03期

基金：

中国国家自然科学基金;

关键词：

zinc gallate; luminescence; nanoparticle; phosphor;

D O I：

10.1016/j.mseb.2004.01.023

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The synthesis of trivalent terbium doped ZnGa2O4 nanosized new phosphors by the Pechini method was reported. Well-crystallized ZnGa2O4:Tb3+ phosphors were obtained at low-temperature about 550degreesC. The phosphors formed porous agglomerates which consist of spherical nanocrystallites with a uniform size at about 30 nm. The photoluminescence of the phosphors included both the luminescence of ZnGa2O4 host and characteristic emission of Tb3+, and the excitation spectra showed an energy transfer from the host lattice to the activator. The Tb3+ emission from the phosphors prepared by the Pechini process was more intensive than that of phosphors by solid-state reaction process. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：302 / 306

页数：5

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