Spectroscopic properties of Eu3+ doped YBO3 nanophosphors synthesized by modified co-precipitation method

被引：24
|
作者：
Szczeszak, A. [1 ]
Lis, S. [1 ]
Nagirnyi, V. [2 ]
机构：
[1] Adam Mickiewicz Univ Poznan, Fac Chem, Dept Rare Earths, PL-60780 Poznan, Poland
[2] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia
来源：
JOURNAL OF RARE EARTHS | 2011年 / 29卷 / 12期
关键词：
YBO3:Eu3+; co-precipitation; nanophosphor; luminescence; VUV; rare earths; VUV EXCITATION; STRUCTURAL PROBE; COLOR PURITY; EARTH; PHOTOLUMINESCENCE; PHOSPHORS; YTTRIUM; LUMINESCENCE; TRANSITION; IONS;
D O I：
10.1016/S1002-0721(10)60613-8
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Y1-xEuxBO3 nanophosphors were synthesized by a modified co-precipitation method. The structure of the obtained nanocrystals was determined by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The average crystallite size was calculated from the full-width at half-maximum (FWHM) of the diffraction peaks by the Scherrer equation. The average particles size was 25 +/- 10 nm. The spectroscopic properties of the Y1-xEuxBO3 nanoborates were characterized by excitation and emission spectra under UV and VUV excitation. In order to improve colour purity, the chromaticity coordinates were also calculated.
引用
收藏
页码：1142 / 1146
页数：5
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