In situ synthesis of terbium-benzoic acid complex in sol-gel derived silica by a two-step sol-gel method

被引：22
|
作者：
Fu, LS [1 ]
Meng, QG [1 ]
Zhang, HJ [1 ]
Wang, SB [1 ]
Yang, KY [1 ]
Ni, JZ [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Rare Earth Chem, Changchun 130022, Peoples R China
来源：
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2000年 / 61卷 / 11期
基金：
中国国家自然科学基金;
关键词：
amorphous materials; sol-gel growth; luminescence;
D O I：
10.1016/S0022-3697(00)00071-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Terbium complexes with benzoic acid and its derivatives o-hydroxybenzoic acid and p-hydroxybenzoic acid were in situ synthesized in sol-gel derived silica matrix via a two-step sol-gel process. The formation process of the complex was characterized by fluorescence spectra, absorption spectra and IR spectra. The gels that contain in situ synthesized complexes exhibit the characteristic emission bands of terbium ion. The fluorescence lifetimes of Tb3+ in the silica gels are longer than those in the pure complexes and in the solutions that contain the corresponding complexes. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1877 / 1881
页数：5
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