Preparation and photoluminescence properties of Pr-doped Mg2SnO4 nanoparticles

被引：0
作者：
Guo, Peng [1 ]
Peng, Lin-Zhi [1 ]
Zhang, Wei-Hai [1 ]
Liu, Lei [1 ]
Xiong, Juan [1 ]
机构：
[1] Faculty of Physics & Electronic Science, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan
来源：
Wuji Cailiao Xuebao/Journal of Inorganic Materials | 2015年 / 30卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Mg[!sub]2[!/sub]SnO[!sub]4[!/sub; Nanoparticles; Photoluminescence; Pr doping;
D O I：
10.15541/jim20150173
中图分类号：
学科分类号：
摘要：
Pr doped Mg2SnO4 in the scope of 0~1.5nm% was synthesized by hydrothermal method and corresponding calcination at low temperature. X-ray diffraction (XRD), Scanning electron microscope (SEM) and luminescence/ fluorescence spectrophotometer were applied to characterize Pr doped Mg2SnO4. The relationship between Pr doping contents and the morphologies of Mg2SnO4 particles was studied. The results show that the Mg2SnO4: Pr3+ are confirmed to be the cubic inverse spinel structure and exhibit as cubic particles. An augment of the grain sizes and obvious sharpen edges of the cubic nanoparticles are observed with increasing Pr doping amounts. The emission spectra of Mg2SnO4 nanoparticles with various Pr doping contents indicate two bands centered at 530 nm and 570 nm, respectively. The former emission band is related with the oxygen vacancies in Mg2SnO4 and the latter emission band is attributed to the 3P0-3H5 energy transitions of Pr3+. The increase of luminescence center’s number and Pr-doped Mg2SnO4 particles size result in an obvious enhancement of emission intensity centered at 570 nm with increasing Pr doping contents. © 2015, Science Press. All right reserved.
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页码：1172 / 1176
页数：4
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