Fluorescence and energy transfer between Eu3+ and Sm3+ in single doped and co-doped borate glass

被引：13
|
作者：
Wu, Zhongli [1 ]
Wu, Hongmei [2 ]
Tang, Lidan [3 ]
Li, Yu [1 ]
Dai Xiaochun [1 ]
Guo, Yu [2 ]
机构：
[1] Liaoning Univ Technol, Fac Mech Engn & Automat, Jinzhou 121001, Peoples R China
[2] Liaoning Univ Technol, Sch Chem & Environm Engn, Jinzhou 121001, Peoples R China
[3] Liaoning Univ Technol, Sch Mat Sci & Engn, Jinzhou 121001, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2017年 / 463卷
基金：
中国国家自然科学基金;
关键词：
Optical properties; Energy transfer; Concentration quenching; PHONON COUPLING PROPERTIES; OPTICAL-PROPERTIES; LUMINESCENCE; EMISSION; PHOTOLUMINESCENCE; PHOSPHORS; IONS;
D O I：
10.1016/j.jnoncrysol.2017.03.010
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A series of Eu3+ doped and Eu3+/Sm3+ co-doped borate glasses was successfully synthesized by melt quenching and annealing. Luminescence properties, concentration quenching and energy transfer were examined through fluorescence spectra and decay curves. Results showed that the main concentration quenching mechanism of Eu3+-single-doped samples was nonradiative energy transfer through exchange interaction between Eu3+. Eu2O3 at the optimized concentration of 8 mol% was co-doped with Sm2O3 at various concentrations ranging from 0.3 mol% to 2.0 mol% to study energy transfer between Sm3+ and Eu3+. Results indicated the existence of energy transfer from Sm3+ to Eu3+ upon 403 nm excitation. Fluorescence decays further revealed that energy transfer occurred between Eu3+ and Sm3+ in Eu3+, Sm3+ co-doped samples. (C) 2017 Published by Elsevier B.V.
引用
收藏
页码：169 / 174
页数：6
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