Synthesis and photoluminescence properties of Sm3+-doped LaMgB5O10 and GdMgB5O10

被引：50
|
作者：
Sakirzanovas, Simas [1 ,2 ]
Katelnikovas, Arturas [1 ,2 ]
Bettentrup, Helga [2 ]
Kareiva, Aivaras [1 ]
Juestel, Thomas [2 ]
机构：
[1] Vilnius State Univ, Dept Gen & Inorgan Chem, LT-03225 Vilnius, Lithuania
[2] Univ Appl Sci Munster, Dept Chem Engn, D-48565 Steinfurt, Germany
来源：
JOURNAL OF LUMINESCENCE | 2011年 / 131卷 / 07期
关键词：
Sm3+ luminescence; Time dependent luminescence; Energy transfer; Lanthanide magnesium meta borates; SM3+ IONS; ENERGY; LUMINESCENCE; PHOSPHOR; GLASSES; CRYSTAL; EU3+;
D O I：
10.1016/j.jlumin.2011.02.005
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Luminescence and reflection spectra as well as luminescence kinetics of the 1 mol% Sm3+-doped crystalline lanthanum magnesium meta borate (LaMgB5O10) and gadolinium magnesium meta borate (GdMgB5O10) were analyzed. Materials were synthesized by conventional solid state route and showed bright orange-red emission under UV excitation. Emission spectra contain sharp and well resolved Sm3+ (4)G(5/2)-> H-6(J) transitions indicating a strong crystal-field effect. In case of gadolinium compound energy transfer between Gd3+ and Sm3+ was detected. The luminescent kinetics of the Sm3+ in analyzed powders is characterized by single exponential decay and experimental values vary in the range 2.2-2.4 ms. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1525 / 1529
页数：5
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