Study of the luminescence of tris(2-thenoyltrifluoroacetonato)lanthanide(III) complexes covalently linked to 1,10-phenanthroline-functionalized hybrid sol-gel glasses

被引：55

作者：

Lenaerts, P ^{[1
]}

Ryckebosch, E ^{[1
]}

Driesen, K ^{[1
]}

Van Deun, R ^{[1
]}

Nockemann, P ^{[1
]}

Görller-Walrand, C ^{[1
]}

Binnemans, K ^{[1
]}

机构：

[1] Katholieke Univ Leuven, Dept Chem, B-3001 Heverlee, Belgium

来源：

JOURNAL OF LUMINESCENCE | 2005年 / 114卷 / 01期

关键词：

lanthanides; spectroscopy; luminescence; near-infrared emission; rare earths; sol-gel glass; 1,10-phenanthroline;

D O I：

10.1016/j.jlumin.2004.12.001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The solubility and uniform distribution of lanthanide complexes in sol-get glasses can be improved by covalently linking the complexes to the sol-gel matrix. In this study, several lanthanide beta-diketonate complexes (Ln = Nd, Sm, Eu, Tb, Er, Yb) were immobilized on a 1,10-phenanthroline functionalized sol-gel glass. For the europium(Ill) complex, a sol-gel material of diethoxydimethylsilane (DEDMS) with polymer-like properties was derived. For the other lanthanide complexes, the sol-gel glass was prepared by using a matrix of tetramethoxysilane (TMOS) and DEDMS. Both systems were prepared under neutral reaction conditions. High-resolution emission and excitation spectra were recorded. The luminescence lifetimes were measured. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：77 / 84

页数：8

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