Temperature dependence of long-lasting afterglow in SrAl2O4:Eu,Dy phosphor

被引：23

作者：

Kamiyanagi, Yuji

Kitaura, Mamoru ^{[1
]}

Kaneyoshi, Masami

机构：

[1] Fukui Natl Coll Technol, Sabae 9168507, Japan

[2] Shin Etsu Chem Co Ltd, Dept Prod 1, Takefu 9158515, Japan

来源：

JOURNAL OF LUMINESCENCE | 2007年 / 122卷 / 509-511期

关键词：

SrAl2O4; Eu; Dy; afterglow; decay profile; Dy3+ ion; hole trap; Sr2+ vacancy;

D O I：

10.1016/j.jlumin.2006.01.221

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The temperature dependence of the time-integrated intensity of afterglow in SrAL(2)O(4):Eu,Dy and SrAl2O4:Eu phosphors has been investigated by using UV light from a deuterium lamp. The time-integrated intensity of afterglow in SrAl2O4:Eu,Dy increases at around 150 K with temperature, and reaches the maximum at around 270 K. These results are compared with those for SrAlO4:Eu, and the function of Dy3+ ions is discussed in connection with the creation of hole traps. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：509 / 511

页数：3

共 8 条

[1]

Hoogsenstraten W, 1958, Philips Res. Rep., V13, P515

[2] Excitation spectra of a long-persistent phosphor SrAl2O4 : Eu, Dy in vacuum ultraviolet region [J].