Photoluminescence and thermoluminescence study of Ca1.02Sr1.98Al2O6: Dy phosphor synthesized by combustion method

被引：0
|
作者：
Tatte, Sonal P. [1 ,2 ]
Parauha, Yatish R. [3 ]
Dhoble, N. S. [2 ]
Mishra, G. C. [1 ]
Dhoble, S. J. [4 ]
机构：
[1] OP Jindal Univ, Dept Phys, Raigarh 496109, India
[2] Sevadal Mahila Mahavidhyalaya, Dept Chem, Nagpur 440009, India
[3] Shri Ramdeobaba Coll Engn & Management, Dept Phys, Nagpur 440013, India
[4] RTM Nagpur Univ, Dept Phys, Nagpur 440033, India
来源：
MATERIALS LETTERS-X | 2023年 / 18卷
关键词：
Combustion synthesis; X-ray diffraction (XRD); Photoluminescence (PL); Thermoluminescence (TL); ALKALINE-EARTH; STATE;
D O I：
10.1016/j.mlblux.2023.100203
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present work, we have synthesized Ca1.02Sr1.98Al2O6 phosphors with different doping concentrations of Dy3+ (0.5 mol% to 4.0 mol%) by simple combustion method. The phase purity of the prepared phosphor has been confirmed by X-ray diffraction (XRD). Detailed investigations have been carried out to study the photo-luminescence (PL) and thermoluminescence (TL) properties of the synthesized phosphors. Under 348 nm exci-tation, the PL emission spectrum shows two intense emission bands at blue and yellow color region due to the 4F9/2-* 6H15/2 and 4F9/2-* 6H13/2 transition of Dy3+ ions. In addition, the TL properties of gamma-irradiated Dy3+ doped Ca1.02Sr1.98Al2O6 phosphors were investigated. According to the obtained PL and TL results, the synthesized phosphors have good prospects for future investigations on white LED and TLD applications.
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页数：4
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