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

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页码：99 / 102

页数：4

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