Photoluminescence and cathodoluminescence properties of Na3LuSi2O7:Tb3+ phosphors

被引：0
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作者：
Qingxi Li
Xiyan Zhang
Lipeng Jiang
Shiqi Zhu
He Tang
Wenmin Zhang
机构：
[1] Changchun University of Science and Technology,School of Material Science and Engineering
来源：
Journal of Materials Science: Materials in Electronics | 2018年 / 29卷
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摘要：
Tb3+ doped Na3LuSi2O7(NLSO) phosphors were prepared by a solid state reaction technique. The crystal structures and the influence of Tb3+ concentration on the photoluminescence, cathodoluminescence of the phosphors were investigated. Two groups of emission lines had been observed, which were corresponding to Tb3+ 5D3 → 7FJ (J = 6, 5, 4, 3) and 5D4 → 7FJ (J = 6, 5, 4, 3) transitions. The physical mechanisms for excitation, emission, concentration quenching and the cross-relaxation mechanism between the 5D3 and 5D4 emission were investigated in detail. Cathodoluminescence properties were also studied for the optimized samples as a function of filament current. The Commission International de I-Eclairage (CIE) chromaticity coordinates were calculated for the NLSO:Tb3+ phosphors.
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页码：16956 / 16961
页数：5
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