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Materials 2016, 9(5), 323; doi:10.3390/ma9050323

Synthesis and Characterization of Gd2O3 Hollow Microspheres Using a Template-Directed Method

College of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074, Hubei, China
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Academic Editor: Klara Hernadi
Received: 30 January 2016 / Revised: 19 April 2016 / Accepted: 20 April 2016 / Published: 28 April 2016
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Abstract

Uniform rare-earth gadolinium oxide (Gd2O3) hollow microspheres, as formed through a urea-assisted homogenous precipitation process using carbon spheres as a template and a subsequent heat treatment, were characterized by using X-ray diffraction, Fourier transformed infared spectroscopy, thermogravimetry, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy and Brunauer-Emmett-Tellet surface area measurement. The results indicate that the final products can be indexed to a cubic Gd2O3 phase with high purity and have a uniform morphology at 500 nm in diameter and 20 nm in shell thickness. The as-synthesized Gd2O3 hollow microspheres exhibited a superior photooxidation activity to that of Gd2O3 powder and an effect similar to P25, significantly broadening the potential of Gd2O3 hollow microspheres for many practical applications. View Full-Text
Keywords: gadolinium oxide; hollow microspheres; preparation; photooxidation gadolinium oxide; hollow microspheres; preparation; photooxidation
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jiang, X.; Yu, L.; Yao, C.; Zhang, F.; Zhang, J.; Li, C. Synthesis and Characterization of Gd2O3 Hollow Microspheres Using a Template-Directed Method. Materials 2016, 9, 323.

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