Spectroscopy and energy transfer in lead borate glasses doubly doped with Dy3+-Tb3+ and Tb3+-Eu3+ ions

被引：16

作者：

Pisarska, Joanna ^{[1
]}

Kos, Agnieszka ^{[1
]}

Pisarski, Wojciech A. ^{[1
]}

机构：

[1] Silesian Univ, Inst Chem, PL-40007 Katowice, Poland

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2014年 / 129卷

关键词：

Lead borate glasses; Rare earth ions; Luminescence; Energy transfer processes; HEAVY-METAL GLASSES; EU3+ IONS; LUMINESCENCE; EMISSION; ZINC; TB3+;

D O I：

10.1016/j.saa.2014.04.142

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Lead borate glasses doubly doped with Dy3+-Tb3+ and Tb3+-Eu3+ were investigated using optical spectroscopy. Luminescence spectra of rare earths were detected under various excitation wavelengths. The main green emission band due to D-5(4) -> F-7(5) transition of Tb3+ is observed under excitation of Dy3+, whereas the main red emission band related to D-5(0) -> F-7(2) transition of Eu3+ is successfully observed under direct excitation of Tb3+. In both cases, the energy transfer processes from Dy3+ to Tb3+ and from Tb3+ to Eu3+ in lead borate glasses occur through a nonradiative processes with efficiencies up to 16% and 18%, respectively. The presence of energy transfer process was also confirmed by excitation spectra measurements. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：649 / 653

页数：5

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