YVO4:Eu纳米微粒的合成及光谱性质研究

doi:10.3724/SP.J.1077.2010.00957

无机材料学报 ›› 2010, Vol. 25 ›› Issue (9): 957-960.DOI: 10.3724/SP.J.1077.2010.00957 CSTR: 32189.14.SP.J.1077.2010.00957

YVO₄:Eu纳米微粒的合成及光谱性质研究

刘奕^{1, 2}, 赵明磊¹, 曾宇平²

(1. 山东枣庄学院, 枣庄277160; 2. 中国科学院上海硅酸盐研究所, 上海 200050)

收稿日期:2010-01-11 修回日期:2010-03-11 出版日期:2010-09-20 网络出版日期:2010-08-25
基金资助:
国家自然科学基金(50872142/E0207)

Synthesis and Spectra Properties of YVO₄:Eu Nanoparticles

LIU Yi^{1, 2}, ZHAO Ming-Lei¹, ZENG Yu-Ping²

(1. Department of Chemistry & Chemical Engineering, Zaozhuang University, Zaozhuang 277160, China; 2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China)

Received:2010-01-11 Revised:2010-03-11 Published:2010-09-20 Online:2010-08-25

摘要/Abstract

摘要：

在水热条件下, 以Y(NO₃)₃·6H₂O, Eu₂O₃, NH₄VO₃, Na₃C₆H₅O₇·2H₂O为原料合成了YVO₄纳米微粒以及稀土离子Eu³⁺掺杂的YVO₄:Eu纳米微粒, 利用XRD, FE-SEM, TEM, HRTEM和SAED对所得产物的结构和形貌进行表征, 并用FT-IR、F-4600对所得产物的光谱性质进行了分析. 结果表明, 产物为纯净的四方相YVO₄, 具有较为规则的饼状形貌, 单个饼状YVO₄纳米微粒的直径约为500nm. XRD图谱显示稀土离子Eu³⁺取代了Y³⁺进入YVO₄晶体, 但在纳米YVO₄: Eu的荧光光谱上没有出现VO₄^3-发射峰, 这表明YVO₄是良好的发光基质材料. 水热合成方法简单易行, 合成出的YVO₄:Eu粒子荧光强度大且荧光强度稳定.

关键词: YV04 ：EU纳米粒子;水热法, 光谱性质

Abstract:

YVO₄ and Eu³⁺-doped YVO₄ nanoparticles were synthesized via hydrothermal method, using Y(NO₃)₃·6H₂O, Eu₂O₃, NH₄VO₃, and Na₃C₆H₅O₇·2H₂O as starting materials. The structure and morphology of the resulting products were characterized by XRD, FESEM, TEM, HRTEM and SAED, while the spectra properties of the products were investigated by FT-IR spectrometer and fluorescence spectrometer. The results indicate that as-prepared products are crystallized in pure body centered tetragonal YVO₄ phase with uniform caky morphologies and the sizes of the samples are estimated to be around 500 nm. XRD patterns of the as-fabricated Eu³⁺-doped YVO₄nanoparticles show that Eu³⁺ is doped at Y³⁺ sites in YVO₄ crystal. There is no emission peak of VO₄^3- from fluorescence spectrum of YVO₄: Eu nanoparticles, which indicates that YVO₄ is a very attractive luminescent host. Hydrothermal method is convenient and easy, and the as-prepared YVO₄:Eu nanoparticles show strong and stable fluorescent intensity. It can be expected that the YVO₄:Eu nanoparticles have potential application in electroluminescent devices, integrated optics or biological labels.

Key words: YV04： EU nanoparticles;hydrothermal method, spectra properties

中图分类号:

TQ174

刘奕, 赵明磊, 曾宇平. YVO₄:Eu纳米微粒的合成及光谱性质研究[J]. 无机材料学报, 2010, 25(9): 957-960.

LIU Yi, ZHAO Ming-Lei, ZENG Yu-Ping. Synthesis and Spectra Properties of YVO₄:Eu Nanoparticles[J]. Journal of Inorganic Materials, 2010, 25(9): 957-960.

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YVO₄:Eu纳米微粒的合成及光谱性质研究

Synthesis and Spectra Properties of YVO₄:Eu Nanoparticles

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