Hydrothermal synthesis of Y(OH)3, Y(OH)3:Eu3+ nanotubes and the photoluminescence of Y(OH)3:Eu3+, Y2O3:Eu3+

被引:10
作者
Wu Yanli [1 ,2 ]
Sun Weili [1 ]
Zhou Xuezhen [1 ]
Jiao Xiaoyan [1 ]
Ding Jiawen [1 ]
Li Yongxiu [1 ]
机构
[1] Nanchang Univ, Res Ctr Rare Earths & Micronano Functinal Mat, Nanchang 330047, Peoples R China
[2] Jiangxi Sci & Technol Normal Univ, Nanchang 330013, Peoples R China
关键词
hydrothermal synthesis; Y(OH)(3); Y(OH)(3)-Eu; Y2O3-Eu; nanotube; rare earths; YTTRIUM-HYDROXIDE; EARTH; MORPHOLOGY; NANOSTRUCTURES; HYDRATION;
D O I
10.1016/S1002-0721(08)60332-4
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The phase and morphology transformation during the hydrothermal treating process Of Y2O3 was evaluated with X-ray difference (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), particle size and specific surface area determination. The results showed that the cubic Y2O3 did not transfer into hexagonal Y(OH)(3) in pure water. Therefore, pure hexagonal Y(OH)(3) with nanotube and microrod morphologies were obtained by hydrothermal treating Y2O3 at 150 degrees C for 12 h in 15 ml of 2 mol/L NaOH solution with and without PVA or PEG It was suggested that the characteristic preferential growth of Y(OH)3 was attributed to the structure anisotropy of hexahedron Y(OH)(3). The addition of PVA or PEG could promote the forming process of nanotubes by selective adsorption on different crystal planes, which altered the growth rate along different directions and resulted in the diffusion limit of constructing ions in the center top of rods. Finally, Y(OH)(3):Eu and Y2O3:Eu nanotubes were also synthesized by using this method, and their photoluminescence properties were evaluated.
引用
收藏
页码:767 / 772
页数:6
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