Preparation, photoluminescent properties and luminescent dynamics of BaAlF5:Eu2+ nanophosphors
Preparation, photoluminescent properties and luminescent dynamics of BaAlF5:Eu2+ nanophosphors
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BaAlF5:Eu2纳米荧光粉的制备、光致发光性能及发光动力学
DOI：
10.1016/j.materresbull.2014.08.039
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发表时间：
2014-12
影响因子：
5.4
通讯作者：
Bojiu Chen
中科院分区：
文献类型：
--
作者：
Tianqing Liu;Jun Zhao;Liyan Na;Bojiu Chen
Eu2+-doped BaAlF5nanophosphors were synthesized via a facile one-pot hydrothermal method. The final products were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), and photoluminescence (PL) spectroscopy. XRD results showed that the prepared samples are single-phase. The FE-SEM and TEM images indicated that the prepared BaAlF5:Eu2+nanophosphors are composed of many rice-shaped particles with an average diameter of 40 nm. When excited at 260 nm, BaAlF5:Eu2+nanophosphors exhibit the sharp line emissions of Eu2+at room temperature. The optimum doping concentration of Eu2+was confirmed to be 5 mol%. The Van and Huang models were used to study the mechanism of concentration quenching and the electric dipole–dipole interaction between Eu2+can be deduced to be a dominant for quenching fluorescence in BaAlF5:Eu2+nanophosphors. The strong ultraviolet emission of Eu2+in BaAlF5:Eu2+nanophosphors suggests that these nanoparticles may have potential applications for sensing, spectrometer calibration and solid-state lasers.
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影响因子：
3.6
作者：
J. Verstegen;J. L. Sommerdijk
通讯作者：
J. Verstegen;J. L. Sommerdijk
影响因子：
2.8
作者：
G. Lakshminarayana;J. Qiu
通讯作者：
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影响因子：
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P. Belsare;C. P. Joshi;S. Moharil;S. Omanwar;P. Muthal;S. M. Dhopte
DOI：
10.1088/0953-8984/22/13/135701
发表时间：
2010-04
期刊：
Journal of Physics: Condensed Matter
影响因子：
--
作者：
Wenxian Li;Wenxian Li;R. Zeng;Chung-Kiak Poh;Yuncang Li;S. X. Dou
通讯作者：
Wenxian Li;Wenxian Li;R. Zeng;Chung-Kiak Poh;Yuncang Li;S. X. Dou
影响因子：
3.3
作者：
Ruinian Hua;B. Lei;D. Xie;C. Shi
通讯作者：
Ruinian Hua;B. Lei;D. Xie;C. Shi