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Strong luminescence enhancement of Li doped Y2O3:5 %Eu3+ phosphors

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Abstract

Y2O3:5 %Eu3+, x %Li+(x = 0, 2, 5, 8, and 10) phosphor have been synthesized by the sol–gel method. The microstructure and luminescent properties were also investigated for all samples by X-ray diffraction, scanning electronic morphology, and photoluminescence measurement. The Li addition is beneficial to the enhancement of luminescent intensity, and the optimal Li content is 8 % for Y2O3:5 %Eu3+. The enhancement could be attributed to three factors: one is the lattice shrinking due to smaller Li ionic radius, secondly, the appearance of the oxygen vacancies, and thirdly, the reducing number of OH− group by doping with Li+ ions.

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Acknowledgments

This work was financially supported by the National Science Foundation of China under Grant Nos. 11204001 and 51471001. National Training Programs of Innovation and Entrepreneurship for Undergraduates (201610357120), Collaborative Innovation Research Center for Weak Signal Sensitive Materials and Devices Integration.

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Authors and Affiliations

  1. Anhui Key Laboratory of Information Materials and Devices, School of Physics and Materials Science, Anhui University, Hefei, 230039, China

    Y. N. Zhu, G. H. Zheng, R. Zhuang & L. Y. Zhang

  2. School of Mathematics Science, Anhui University, Hefei, 23003, China

    X. Xin

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  1. Y. N. Zhu
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  2. G. H. Zheng
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  3. X. Xin
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  4. R. Zhuang
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  5. L. Y. Zhang
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Correspondence to G. H. Zheng.

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Zhu, Y.N., Zheng, G.H., Xin, X. et al. Strong luminescence enhancement of Li doped Y2O3:5 %Eu3+ phosphors. J Mater Sci: Mater Electron 28, 1485–1488 (2017). https://doi.org/10.1007/s10854-016-5685-9

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  • DOI: https://doi.org/10.1007/s10854-016-5685-9

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