The influence of the composition on the luminescence of Ce(III)-Ln-Si-Al-O-N glasses (Ln = Sc, Y, La, Gd)

被引:14
作者
de Graaf, D [1 ]
Hintzen, HT [1 ]
de With, G [1 ]
机构
[1] Eindhoven Univ Technol, Lab Solid State & Mat Chem, NL-5600 MB Eindhoven, Netherlands
关键词
sialon; glass; lanthanide; cerium;
D O I
10.1016/S0022-2313(02)00688-9
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The luminescence characteristics of Ce3+-doped Ln-Si-Al-O-N (Ln = Sc, Y, Gd, La) glasses have been investigated. As a function of the chemical composition and in particular the cerium concentration, the emission shifts over a broad interval (380-500 nm). It has been shown that the emission shift is the result of a competition between Ce3+ and the other lanthanide ions for incorporation on different sites in the glass matrix, combined with energy transfer between Ce3+ ions on the different sites. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:131 / 136
页数:6
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