Photoluminescence properties of alkaline metallic ions doped sol-gel silica glasses

被引：8
|
作者：
Yang, P [1 ]
Lü, MK [1 ]
Song, CF [1 ]
Xu, D [1 ]
Yuan, DR [1 ]
Gu, F [1 ]
机构：
[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2002年 / 90卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
sol-gel; glasses; luminescence; alkaline metal;
D O I：
10.1016/S0921-5107(01)00929-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
K+ and Na+-doped silica glasses have been prepared through sol-gel processes employing Si(OC2H5)(4). K2S and Na2S as precursor, with HCl as catalyst. The UV-visible absorptive spectra, XRD patterns and Fourier transform infrared spectra of the samples have all been investigated. The photoluminescence spectra of all the samples show that the fluorescent intensity of K- and Na-doped samples is about 2-3 times of that of un-doped sol-gel silica glass. K+ and Na+ ions can act as a good sensitizer and activator in the sol-gel silica glasses. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：99 / 102
页数：4
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