Effect of Eu,Tb codoping on the luminescent properties of Y2O3 nanorods

被引：61

作者：

Liu, Zhilong ^{[1
]}

Yu, Lianxiang ^{[1
]}

Wang, Qin ^{[1
]}

Tao, Yanchun ^{[2
]}

Yang, Hua ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China

[2] Jilin Univ, Minist Educ, Key Lab Supramol Struct & Mat, Changchun 130012, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2011年 / 131卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Y2O3; Luminescence; Eu3+ Tb3+ co-doped; Nanorods; PHOSPHORS; OXIDE; GD2O3-EU3+; PARTICLES; EMISSION;

D O I：

10.1016/j.jlumin.2010.08.012

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Red-emitting Y2O3 Eu3+ and green-emitting Y2O3 Tb3+ and Y2O3 Eu3+ Tb3+ nanorods were synthesized by hydrothermal method Their structure and micromorphology have been analyzed by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM) The photoluminescence (PL) property of Y2O3 Eu3+ Tb3+ phosphor was investigated In the same host (Y2O3) upon excitation with ultraviolet (UV) irradiation it is shown that there are strong emissions at around 610 and 545 nm corresponding to the forced electric dipole D-5(0)-F-7(2) transition of Eu3+ and D-5(4)-F-7(5) transition of Tb3+ respectively Different qualities of Eu3+ and Tb3+ ions are Induced into the Y2O3 lattice From the excitation spectrum we speculate that there exists energy transfer from Tb3+ to Eu3+ ions The emission color of powders reveals regular change in the separation of light emission These powders can meet with the request of optical display material for different colors or can be potentially used as labels for biological molecules (c) 2010 Elsevier B V All rights reserved

引用

页码：12 / 16

页数：5

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