Materials Reports  2019, Vol. 33 Issue (Z2): 10-12 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Preparation and Luminescence Properties of NaAlSiO4∶Eu3+, Ce4+ LuminescentMaterials |
| KANG Ning1, CHEN Zhuo1, XU Shuanglin1, SHAN You2, ZHAO Changchun2
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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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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.
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Published: 25 November 2019
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| Fund:This work was financially supported by the National Natural Science Foundation of China (51472224). |
About author:: Ning Kang majors in safety engineering. She began her undergraduate study in School of Engineering and Technology, China University of Geosciences (Beijing) in September 2016.
Changchun Zhao is a doctor and currently a professor in School of Science, China University of Geosciences (Beijing). She is a director of the Beijing Institute of Physics. She is mainly engaged in the study of the structure and properties of mineral materials. As a principal researcher, she has presided over three National Natural Science Foundation projects, one 863 project, one horizontal project, four basic scientific research service projects of the central college and one school fund project. She has published more than 30 research papers, including more than 15 articles in SCI. She applied for 2 national invention patents. |
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