Luminescence Performance of Eu3+ Doped Lead Free Zinc Phosphate Glasses For Red Emission

被引：8
|
作者：
Prasad, V. Reddy [1 ]
Babu, S. [1 ]
Ratnakaram, Y. C. [1 ]
机构：
[1] Sri Venkateswara Univ, Dept Phys, Tirupati 517502, Andhra Pradesh, India
来源：
INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015) | 2016年 / 1728卷
关键词：
D O I：
10.1063/1.4946445
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Luminescence performance of zinc phosphate glasses containing Eu3+ ion with the chemical compositions (60-x)NH4H2PO4,-20ZnO-10BaF(2)-10NaF-x Eu2O3 (where x= 0.2, 0.5, 1.0 and 1.5 mol%) has been studied. The Fourier Transform Infrared Spectroscopy (FT-IR) shows several vibrations bands. Luminescence spectra of these glasses exhibit characteristic emission of Eu3+ ion with an intense and most prominent red emission (614 nm) which is attributed to D-5(0)-> F-7(2) transition. Judd-Ofelt (Omega(2), Omega(4)) parameters have been evaluated from the luminescence intensity ratios of D-5(0)-> F-7(J) (where J= 2 and 4) to D-5(0)-> F-7(1) transition as well as absorption spectra under different constraints. Using J-O parameters and excitation spectra, the radiative parameters are calculated for different Eu3+ doped glasses.
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页数：4
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