An investigation of the chromaticity of blue emitting yttrium silicate

被引:9
作者
Bosze, EJ [1 ]
Hirata, GA [1 ]
McKittrick, J [1 ]
机构
[1] Univ Calif San Diego, Dept Appl Mech & Engn Sci, La Jolla, CA 92093 USA
来源
LUMINESCENT MATERIALS | 1999年 / 560卷
关键词
D O I
10.1557/PROC-560-15
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This investigation studied the effects of Ho3+ and Er3+ on the luminescence of the blue emitting phosphor yttrium silicate, (Y1-mCem)(2)SiO5. Yttrium silicate has a large emission tail that extends into the red portion of the visual spectrum. To improve the chromaticity of this phosphor to give it a more saturated blue color, the emission intensity of the tail needs to be decreased. Photoluminscence and low-voltage cathodoluminescence measurements were performed on yttrium silicate phosphors with varying concentrations of Gd3+, Ho3+ and Er3+. It was found that when co-doping with Ho3+ and Er3+, the relative intensity of the emission tail was decreased, but so to was the overall luminescence intensity of this phosphor.
引用
收藏
页码:15 / 20
页数:6
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