Synthesis and luminescent properties of monodisperse core-shell structured SiO2@Lu2O3:Eu3+ microspheres

被引：21
作者：
Wang, Guowei [1 ]
Zou, Haifeng [1 ]
Gong, Lina [1 ]
Shi, Zhan [2 ]
Xu, Xuechun [3 ]
Sheng, Ye [1 ]
机构：
[1] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
[3] Jilin Univ, Coll Earth Sci, Changchun 130012, Peoples R China
来源：
POWDER TECHNOLOGY | 2014年 / 258卷
基金：
中国国家自然科学基金;
关键词：
SiO2@Lu2O3; Solvothermal; Luminescence; Europium; SOLVOTHERMAL SYNTHESIS; PARTICLES; EU3+; PHOTOLUMINESCENCE; NICKEL; DEPOSITION; SPHERES; LU2O3; OXIDE; TB;
D O I：
10.1016/j.powtec.2014.03.035
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Highly monodispersed SiO2@Lu2O3:Eu3+ core-shell microspheres were successfully synthesized by coating the Lu2O3:Eu3+ nanopartides onto the surface of non-aggregated spherical SiO2 particles via a simple solvothermal method, followed by a subsequent calcination process. The as-prepared phosphors were characterized by X-ray diffraction (XRD), Fourier transform infrared spectrum (FT-IR), thermal analysis (TGA-DSC), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectrometry (EDS), selected area electron diffraction (SAED), high resolution transmission electron microscopy (HRTEM), and photoluminescence spectra (PL). The as-obtained core-shell microspheres show strong red emission corresponding to the D-5(0) -> F-7(2) transition of the Eu3+ ions under ultraviolet (UV) excitation, which may have potential applications in light-emitting phosphors, field emission displays, advanced flat panel displays and biological labeling. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：174 / 179
页数：6
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