ENHANCED UP-CONVERSION OF HIGH CONCENTRATION Yb3+/Er3+-DOPED β-NaYF4 MICROPARTICLES BY CHANGING THE HOST MATRIX

被引：0
|
作者：
Bo, Q. [1 ]
Wang, J. [1 ]
机构：
[1] Beihang Univ, Sch Phys, Beijing 100191, Peoples R China
来源：
JOURNAL OF APPLIED SPECTROSCOPY | 2021年 / 88卷 / 05期
关键词：
rare-earth; up-conversion; beta-NaYbF4; LI+ IONS; LUMINESCENCE; EMISSION; NAYF4; BEHAVIOR; PHOSPHOR; SYSTEM; ER;
D O I：
10.1007/s10812-021-01277-2
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
With the aim of improving the up-conversion luminescence intensity of high concentration Yb3+/Er3+-doped microparticles, Yb3+/Er3+-doped beta-NaYF4/beta-NaLuF4/beta-NaYbF4 samples were prepared by the hydrothermal method. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the crystal structure and morphology. Intense blue emission (H-2(11/2) -> I-4(15/2), S-4(3/2) -> I-4(15/2)) and red emission (F-4(9/2) -> I-4(15/2)) of Er3+ were observed under 980-nm excitation. When the doping concentrations of Yb3+ and Er3+ were high, the up-conversion luminescence intensity using beta-NaYbF4 as the host matrix was enhanced, and in the experiment the sample NaYbF4:16 mol%Yb3+/32 mol%Er3+ with beta-NaYbF4 as the host matrix has the strongest luminescence.
引用
收藏
页码：1043 / 1047
页数：5
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