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Issue 82, 2017
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Controlled synthesis of EuPO4 nano/microstructures and core–shell SiO2@EuPO4 nanostructures with improved photoluminescence

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Abstract

Cluster-like, flower-like and sphere-like EuPO4 nano/microstructures and uniform core–shell SiO2@EuPO4 nanostructures have been controllably synthesized by the hydrothermal route and co-precipitation method, respectively. The as-synthesized products are characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS) and infrared spectroscopy (IR). The possible formation mechanism of the as-synthesized products is proposed. The photoluminescence properties demonstrate that the locations of the strongest peaks of nano/microstructured EuPO4 and core–shell nanostructured SiO2@EuPO4 are different. In the emission spectrum of the core–shell SiO2@EuPO4 nanostructures, the 5D07F2 transition is much stronger than the 5D07F1 transition, indicating that Eu3+ ions occupy low symmetry sites in the EuPO4 lattice. Furthermore, the core–shell SiO2@EuPO4 nanostructures have stronger emission intensity than the flower-like and sphere-like EuPO4 nano/microstructures.

Graphical abstract: Controlled synthesis of EuPO4 nano/microstructures and core–shell SiO2@EuPO4 nanostructures with improved photoluminescence

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Supplementary files

Article information


Submitted
23 Sep 2017
Accepted
03 Nov 2017
First published
10 Nov 2017

This article is Open Access

RSC Adv., 2017,7, 52238-52244
Article type
Paper

Controlled synthesis of EuPO4 nano/microstructures and core–shell SiO2@EuPO4 nanostructures with improved photoluminescence

K. Yang, A. Wu, X. Zhao, Y. Yan, X. Guo, Y. Bian, J. Bao, W. Li and X. Zhu, RSC Adv., 2017, 7, 52238
DOI: 10.1039/C7RA10556H

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