Visible luminescence characteristics of Pr3+ ions in TeO2-Sb2O3-WO3 glasses

被引:22
作者
Rao, V. Himamaheswara [1 ,2 ]
Prasad, P. Syam [2 ]
Babu, K. Sowri [3 ]
机构
[1] PACE Inst Technol & Sci, Div Phys, Dept Humanities & Sci, Ongole 523272, Andhra Pradesh, India
[2] Natl Inst Technol Warangal, Dept Phys, Warangal 506004, Telangana, India
[3] Vignan Fdn Sci Technol & Res Deemed Univ, Vadlamudi 522213, Andhra Pradesh, India
关键词
Tellurite glass; Antimony and tungsten oxides; Pr3+ ion; PL spectra; Judd-ofelt theory; Decay curve analysis; SPECTROSCOPIC PROPERTIES; OPTICAL-ABSORPTION; SM3+ IONS; TELLURITE GLASSES; PHOSPHATE-GLASSES; ORANGE EMISSION; OXIDE GLASS; WHITE-LIGHT; BROAD-BAND; BORATE;
D O I
10.1016/j.optmat.2020.109740
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Pr3+ ion doped TeO2 glasses were synthesized by standard melt quenching method. Optical absorption, photoluminescence and decay profiles were recorded to assess the luminescence efficiency of Pr3+ ions in Sb2O3-WO3 mixed tellurite glasses. Judd-Ofelt theory was applied to evaluate radiative properties and also the varying environment of the rare earth ion with varying concentration of Pr3+ ions in the glass matrix. Luminescence spectra recorded in the visible region exhibited several emission transitions and among them the red luminescence transition P-3(0) -> F-3(2) is found to be more intense. Variations of luminescence intensity and life times of excited state energy levels with the concentrations of Pr3+ ions are discussed in the light of variation in the environment of Pr3+ ions in the glass network.
引用
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页数:8
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