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水热法制备不同形貌的GdVO_4:Eu^(3+)纳米发光材料 被引量：7

Hydrothermal Synthesis of GdVO_4:Eu^(3+) Luminescent Nanomaterials with Different Morphologies
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摘要 采用水热法制备了不同形貌的GdVO4:Eu3+纳米晶样品,对其结构以及发光性质进行了表征。XRD结果表明:水热前驱体和经过灼烧之后样品均为四方晶系,具有锆石结构。TEM照片表明:通过改变表面活性剂分别得到了分散性良好的米粒状、六角形和球形的GdVO4:Eu3+纳米晶粒子。发光光谱表明:在288nm的紫外光激发下,不同形貌的GdVO4:Eu3+纳米晶材料均在617nm处产生特征红光发射,归属为Eu3+离子的5D0→7F2跃迁,不同形貌粒子的发光光谱的相对强度有所不同。 GdVO4：Eu3＋ luminescent nanomaterials with different morphologies were prepared by hydrothermal method,and their structure and luminescent properties were characterized.XRD patterns showed that the precursors and the heat-treated samples are tetragonal phase GdVO4 crystals.TEM images indicated that the riceshaped,tetragonal-shaped and spherical GdVO4：Eu3 ＋ nanoparticles were obtained by changing different surfactant.Fluorescence spectra showed that under the excitation of 288 nm,GdVO4：Eu3 ＋ nanomaterials with different morphologies have the characteristics of red emission in 617nm,attributing to the 5D0→7F2 transition of Eu3 ＋,the intensities of the fluorescence spectra are different for different samples prepared with different surfactants.
作者 刘桂霞 李若兰 董相廷 王进贤 孙德
机构地区 长春理工大学化学与环境工程学院 长春工业大学化学工程学院
出处 《发光学报》 EI CAS CSCD 北大核心 2010年第3期385-389,共5页 Chinese Journal of Luminescence
基金 吉林省科技发展计划(20090528)资助项目
关键词 GdVO4:Eu3+ 纳米晶 水热法 GdVO4：Eu3＋ nanocrystal hydrothermal method
分类号 O482.31 [理学—固体物理]
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参考文献13

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共引文献30

同被引文献51

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引证文献7

二级引证文献29

发光学报
2010年 第3期

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