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Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+荧光粉的制备及发光特性研究

庹娟 叶颖 赵海琴 王林香

庹娟, 叶颖, 赵海琴, 王林香. Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+荧光粉的制备及发光特性研究[J]. 中国光学, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279
引用本文: 庹娟, 叶颖, 赵海琴, 王林香. Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+荧光粉的制备及发光特性研究[J]. 中国光学, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279
TUO Juan, YE Ying, ZHAO Hai-qin, WANG Lin-xiang. Preparation and luminescence properties of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3: 0.5%Pr3+ phosphors[J]. Chinese Optics, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279
Citation: TUO Juan, YE Ying, ZHAO Hai-qin, WANG Lin-xiang. Preparation and luminescence properties of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3: 0.5%Pr3+ phosphors[J]. Chinese Optics, 2019, 12(6): 1279-1287. doi: 10.3788/CO.20191206.1279

Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+荧光粉的制备及发光特性研究

doi: 10.3788/CO.20191206.1279
基金项目: 

新疆维吾尔自治区自然科学基金 2017D01A60

详细信息
    作者简介:

    庹娟(1990—), 女, 四川广安人, 硕士, 2018年于新疆师范大学获得硕士学位, 主要从事稀土发光材料方面的研究。E-mail:1498970687@qq.com

    王林香(1979—), 女, 甘肃秦安人, 博士, 副教授, 2010年于中国科学技术大学获得博士学位, 主要从事稀土发光材料方面的研究。E-mail:wanglinxiang23@126.com

  • 中图分类号: O482.31

Preparation and luminescence properties of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3: 0.5%Pr3+ phosphors

Funds: 

Natural Science Foundation of Xinjiang 2017D01A60

More Information
  • 摘要: 用高温固相法制备了Li+,Na+共掺(YxGdyLu1-x-y2O3:0.5%Pr3+荧光粉末。用XRD对样品进行结构表征,用扫描电镜观测了样品的形貌,测量了样品的激发光谱、发射光谱及发光衰减曲线。结果显示,Li+、Na+和Pr3+的掺杂没有引起(YxGdyLu1-x-y2O3立方晶相结构的改变。在单一基质中掺杂的Li+、Na+可有效改善晶粒尺寸,在复合基质中掺杂的Li+、Na+,不仅可以有效改善晶粒尺寸,还使得样品有陶瓷化的趋势。在272 nm激发下,粉末样品在632 nm处均呈现较强的Pr3+红色发射。不同条件下,1 000℃煅烧2 h获得的(Y0.05Gd0.05Lu0.92O3:0.5%Pr3+,2.5%Li+,1%Na+荧光粉末的发光最强,且荧光寿命较短。
  • 图  1  Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+的X射线衍射图(a)与晶胞参数(b)

    Figure  1.  X ray diffraction patterns of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3:0.5%Pr3+(a) and unit cell parameters(b)

    图  2  7号(a)、8号(b)、6号(c)、10号(d)和14号(e)样品的扫描电子显微镜照片

    Figure  2.  SEM images of samples No.7(a), No.8(b), No.6(c), No.10(d) and No.14(e)

    图  3  Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+激发光谱

    Figure  3.  Excitation spectra of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3:0.5%Pr3+

    图  4  Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+发射光谱

    Figure  4.  Emitting spectra of Li+, Na+ co-doped (YxGdyLu1-x-y)2O3:0.5%Pr3+

    图  5  温度对Li+、Na+共掺(Y0.05Gd0.05Lu0.9)2O3:0.5%Pr3+荧光粉末发光强度的影响

    Figure  5.  Effect of temperature on the luminescence intensity of Li+, Na+ co-doped(Y0.05Gd0.05Lu0.9)2O3:0.5% Pr3+ phosphors

    图  6  部分Li+、Na+共掺(Y0.05Gd0.05Lu0.9)2O3:0.5%Pr3+荧光粉末中Pr3+1D2能级衰减曲线

    Figure  6.  Decay curves of 1D2 energy level of Pr3+ in partial Li+, Na+ co-doped (Y0.05Gd0.05Lu0.9)2O3: 0.5% Pr3+ fluorescent powder

    表  1  Li+、Na+共掺(YxGdyLu1-x-y)2O3:0.5%Pr3+(摩尔浓度)样品

    Table  1.   Li+, Na+ co-doped (YxGdyLu1-x-y)2O3:0.5%Pr3+ samples(molar concentration)

    Sample (YxGdyLu1-x-y)2O3 Pr3+/% Li+/% Na+/% Temperature/℃
    1 (Y0.3Lu0.7)2O3 0.5 0 0 800
    2 (Y0.3Gd0.05Lu0.65)2O3 0.5 0 0 800
    3 (Y0.3Gd0.1Lu0.6)2O3 0.5 0 0 800
    4 (Y0.3Gd0.2Lu0.5)2O3 0.5 0 0 800
    5 (Y0.3Gd0.3Lu0.4)2O3 0.5 0 0 800
    6 (Y0.05Gd0.05Lu0.9)2O3 0.5 0 0 800
    7 Lu2O3 0.5 0 0 800
    8 Lu2O3 0.5 2.5 1 800
    9 (Y0.3Gd0.3Lu0.4)2O3 0.5 2.5 1 800
    10 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 800
    11 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 600
    12 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 700
    13 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 900
    14 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 1 000
    15 (Y0.05Gd0.05Lu0.9)2O3 0.5 2.5 1 1 150
    下载: 导出CSV
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  • 收稿日期:  2018-11-29
  • 修回日期:  2019-01-30
  • 刊出日期:  2019-12-01

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