Hydrothermal Synthesis of Ca(1-3x/2)TbxWO4 Microcrystallines and Their Luminescent Properties

被引：6

作者：

Lai, Xin ^{[1
]}

Wei, Yanyan ^{[1
]}

Qin, Dan ^{[1
]}

Zhao, Yan ^{[1
]}

Wu, Yun ^{[1
]}

Gao, Daojiang ^{[1
]}

Bi, Jian ^{[1
]}

Lin, Dunmin ^{[1
]}

Xu, Guangliang

机构：

[1] Sichuan Normal Univ, Coll Chem & Mat Sci, Chengdu 610066, Peoples R China

来源：

INTEGRATED FERROELECTRICS | 2012年 / 140卷

关键词：

Optical materials; Chemical synthesis; X-ray diffraction; Luminescence; ROOM-TEMPERATURE PREPARATION; THIN-FILMS; PHOTOLUMINESCENCE; POWDERS; EU3+; SCHEELITE; PARTICLES; PHOSPHORS; MOLYBDATE; BEHAVIOR;

D O I：

10.1080/10584587.2012.741910

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ca(1-3x/2)TbxWO4 solid solution microcrystallines have been synthesized by hydrothermal method; the crystal structure, surface morphology and room temperature photoluminescence properties of the as-synthesized microcrystallines were investigated by through X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and fluorescence analysis (FA). Our results reveal that the obtained Ca(1-3x/2)TbxWO4 microcrystallines are single-phase scheelite structure with tetragonal symmetry. The doping of Tb3+ inhibits the grain growth, decreases the intrinsic emission of WO42- complex ions and enhances the green emission of the microcrystallines. Moreover, the green emission intensity (lambda = 545 nm) of the as-synthesized Ca(1-3x/2)TbxWO4 microcrystallines phosphors increases with the increasing doping level of Tb3+ ions, giving the maximum value at x = 0.07.

引用

页码：177 / 186

页数：10

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