Eu3+,Ce4+掺杂NaAlSiO4的制备及发光性能

材料导报

2019, Vol. 33

Issue (Z2): 10-12

无机非金属及其复合材料

Eu³⁺,Ce⁴⁺掺杂NaAlSiO₄的制备及发光性能

康宁¹, 陈灼¹, 徐双林¹, 单优², 赵长春²

1 中国地质大学(北京)工程技术学院,北京 100083;
2 中国地质大学(北京)数理学院,北京 100083

Preparation and Luminescence Properties of NaAlSiO₄∶Eu³⁺, Ce⁴⁺ LuminescentMaterials

KANG Ning¹, CHEN Zhuo¹, XU Shuanglin¹, SHAN You², ZHAO Changchun²

1 School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083;
2 School of Science, China University of Geosciences (Beijing), Beijing 100083

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摘要采用高温固相法在1 100 ℃下合成了Eu³⁺掺杂NaAlSiO₄和Eu³⁺,Ce⁴⁺掺杂NaAlSiO₄发光材料,利用粉晶X射线衍射和荧光光谱仪对合成样品进行了物相表征和发光强度的研究。结果表明,在1 100 ℃,NaAlSiO₄的特征峰最明显,Eu³⁺掺杂浓度为1.8%时,其发光强度最强。在此基础上,又进行了Ce⁴⁺掺杂,并制得NaAlSiO₄∶x%Eu³⁺,y%Ce⁴⁺样品。该样品在紫外光激发下同时发射红光和蓝光,其发射峰强度随x∶y掺杂比改变而变化,当y∶x≤0.092时,红光强度高于蓝光强度;当y∶x>0.092时,蓝光强度高于红光强度,从而可以改变样品的发光颜色。

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关键词: NaAlSiO₄ 双掺稀土发光材料发光强度

Abstract: The new luminescent materials with composition of NaAlSiO₄∶Eu³⁺ and NaAlSiO₄∶Eu³⁺, Ce⁴⁺ were synthesized by solid state method at 1 100 ℃. The crystal phase and luminescent properties of the samples were tested and characterized by XRD and fluorescence spectrometer, respectively. The results show that the characteristic peak of NaAlSiO₄ was most obvious at 1 100 ℃ and the luminescence effect of NaAlSiO₄∶1.8%Eu³⁺ was best. On this basis, NaAlSiO₄∶x%Eu³⁺, y%Ce⁴⁺ samples which emit red light and blue light under UV light excitation were prepared by doping Ce⁴⁺. The effect of different Ce⁴⁺/Eu³⁺ doping concentration on the luminescent properties of NaAlSiO₄∶x%Eu³⁺, y%Ce⁴⁺ samples was discussed. When y/x≤0.092, the intensity of red light was higher than that of blue light. When y/x>0.092, the intensity of blue light was higher than that of red light. Thus the luminescent color of the sample was changed.

Key words: NaAlSiO₄ double doping rare earth luminescent material luminescence intensity

出版日期: 2019-11-25 发布日期: 2019-11-25

ZTFLH:

O611

基金资助: 国家自然科学基金(51472224)

通讯作者: zhaocc@cugb.edu.cn

作者简介: 康宁,安全工程专业,2016年9月开始在中国地质大学(北京)工程技术学院进行本科生学习。
赵长春,博士,中国地质大学(北京)数理学院教授,北京高校物理学会理事。主要从事矿物材料结构与性能的研究。作为主要研究人员参与完成了国家自然基金项目3项,863项目1项,横向项目1项,中央高校基本科研业务费项目4项,校内基金1项;作为项目负责人和主要研究人员,目前承担国家自然科学基金项目2项,中央高校基本科研业务费项目2项。公开发表科研论文30余篇,其中SCI收录15余篇,申请国家发明专利2项。

引用本文:

康宁, 陈灼, 徐双林, 单优, 赵长春. Eu³⁺,Ce⁴⁺掺杂NaAlSiO₄的制备及发光性能[J]. 材料导报, 2019, 33(Z2): 10-12.
KANG Ning, CHEN Zhuo, XU Shuanglin, SHAN You, ZHAO Changchun. Preparation and Luminescence Properties of NaAlSiO₄∶Eu³⁺, Ce⁴⁺ LuminescentMaterials. Materials Reports, 2019, 33(Z2): 10-12.

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http://www.mater-rep.com/CN/ 或 http://www.mater-rep.com/CN/Y2019/V33/IZ2/10

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