Synthesis and Photoluminescent Properties of Li2SrSiO4:Pb2+

被引：13
|
作者：
Erdogmus, E. [1 ]
Pekgozlu, I. [1 ]
Korkmaz, E. [2 ]
Basak, A. S. [3 ]
机构：
[1] Bartin Univ, TR-74100 Bartin, Turkey
[2] Bozok Univ, Yozgat, Turkey
[3] Marmara Univ, Istanbul, Turkey
来源：
JOURNAL OF APPLIED SPECTROSCOPY | 2014年 / 81卷 / 02期
关键词：
silicate phosphors; luminescence; X-ray powder diffraction; LUMINESCENCE PROPERTIES; EMITTING PHOSPHOR; ENERGY-TRANSFER; PB2+; EU2+; IONS; CE3+;
D O I：
10.1007/s10812-014-9933-6
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Pure and Pb2+ doped Li2SrSiO4 materials were synthesized at 900A degrees C for 12 h in air. The phases of the synthesized materials were determined by X-ray powder diffraction (XRD). The photoluminescence properties of the synthesized phosphors were investigated by spectrofl uorometry at room temperature. The emission and excitation bands of Li2SrSiO4:Pb2+ were observed at 381 and 271 nm, respectively. The dependence of the emission intensity on Pb2+ concentration for Li(2)Sr(1-x)PbxSiO(4) was studied in detail. It was observed that the optimum concentration of Pb2+ in Li2SrSiO4 is 0.01 mol.%. The Stokes shifts of Li2SrSiO4:Pb2+ phosphor was calculated to be 10653 cm(-1).
引用
收藏
页码：336 / 340
页数：5
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