Luminescence properties of lanthanide complexes and their silica-based composites

被引：27
|
作者：
Jin, T [1 ]
Inoue, S [1 ]
Machida, K [1 ]
Adachi, GY [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Osaka 565, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 265卷 / 1-2期
关键词：
lanthanide complexes; sol-gel method; silica-based composites; luminescence properties;
D O I：
10.1016/S0925-8388(97)00301-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The spectroscopic properties of lanthanide complexes, [Eu(phen)(2)]Cl-3 and [Tb(bpy)(2)]Cl-3 (bpy=2,2'-bipyridine and phen=1,10; phenanthroline), as well as their composites incorporating them into some silica-based vitreous matrices prepared by a sol-gel method, have been characterized by measurements of emission spectra, lifetimes and quantum yields. Furthermore, their emission intensity variations were discussed on the basis of the symmetry around the lanthanide(III) ion and the non-radiative relaxation via water molecules in the lanthanide complex followed by some deductions on the high-performance luminescence characteristics of the anhydrous lanthanide complexes and their composites with the silica-based vitreous matrices. (C) 1998 Elsevier Science S.A.
引用
收藏
页码：234 / 239
页数：6
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