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Crystallization and luminescence properties of various Eu3+ content doped Al2O3 prepared by sol–gel method

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Abstract

Eu3+ doped alumina has been prepared by sol–gel method. And the crystallization and luminescence properties of the samples were studied by DSC, XRD, Raman, and emission spectra. The structure analysis showed boehmite precipitated after drying at 90 °C, the single γ-Al2O3 formed when calcined at 500 °C, and the polycrystalline including EuAlO3 and α-Al2O3 were observed at 1150 °C. Emission spectra showed that the quenching concentration of Eu3+ ion is different after heat treatment at 90 °C, 500 °C, and 1150 °C. And for the samples with same Eu3+ content, the maximum luminescence intensity is always observed in sample calcined at 500 °C, while the minimum at 1150 °C.

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Acknowledgements

This work was supported by China Scholarship Council (no. 201506955051) and National Natural Science Foundation of China (nos. 51772224 and 51372179). The authors would like to thank Professor Lothar Wondraczek and Doctor Lenka Müller at University of Jena for their support of preliminary work.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Peijing Tian, Shimei Zhu, Jian Yuan, Weihong Zheng, Hong Li & Mou Zhang

  2. Shahe Research Institute of Glass Technology, Xingtai, 054100, China

    Peijing Tian, Jian Yuan, Weihong Zheng & Mou Zhang

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  1. Peijing Tian
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  2. Shimei Zhu
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  3. Jian Yuan
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Correspondence to Peijing Tian or Weihong Zheng.

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Tian, P., Zhu, S., Yuan, J. et al. Crystallization and luminescence properties of various Eu3+ content doped Al2O3 prepared by sol–gel method. Appl. Phys. A 124, 780 (2018). https://doi.org/10.1007/s00339-018-2167-3

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