Optical properties of Sr2SiO4:Eu2+, Dy3+ phosphors prepared by combustion method

被引：4
|
作者：
Verma, Durga [1 ]
Patel, R. P. [2 ]
Verma, Mohan L. [1 ]
机构：
[1] Shri Shankaracharya Grp Inst, Fac Engn & Technol, Dept Appl Phys, Shri Shankaracharya Tech Campus, Bhilai 490020, CG, India
[2] Profess Inst Engn & Technol, Dept Appl Phys, Raipur 493225, CG, India
来源：
MATERIALS SCIENCE-POLAND | 2018年 / 36卷 / 03期
关键词：
thermoluminescence; combustion method; XRD; photoluminescence; LUMINESCENT PROPERTIES; ELECTRONIC-STRUCTURE; EMISSION; LA; TB; LN;
D O I：
10.1515/msp-2018-0029
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the present paper, TL and PL study of Dy(3+ )doped Sr2SiO4:Eu2+ phosphor is reported. A polycrystalline sample of Sr2SiO4:Eu2+, Dy3+ was prepared by combustion method. The obtained phosphor was characterized by powder X-ray diffraction, scanning electron microscopy, UV-Vis spectroscopy, PL and thermoluminescence. The results of the XRD studies obtained for Sr2SiO4:Eu2+, Dy3+ phosphor revealed its monoclinic structure. The average crystallite size was calculated as 12.77 nm. Thermoluminescence study was carried out for the phosphor using UV irradiation and a single glow peak was found. The thermoluminescence glow curves of the samples were measured at various concentrations of co-dopant. The kinetic parameter has been calculated using Chen's glow curve method. In this paper, the photoluminescence and afterglow behavior of these phosphors are reported.
引用
收藏
页码：387 / 396
页数：10
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