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Journal of Nanoparticle Research

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01-12-2016 | Research Paper

Facile synthesis of uniform hierarchical composites CuO-CeO₂ for enhanced dye removal

Authors: Pan Xu, Helin Niu, Jingshuai Chen, Jiming Song, Changjie Mao, Shengyi Zhang, Yuanhao Gao, Changle Chen

Published in: Journal of Nanoparticle Research | Issue 12/2016

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Abstract

The hierarchically shaped CuO-CeO₂ composites were prepared through a facile solvothermal method without using any template. The as-prepared products were characterized by X-ray powder diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy, and N₂ adsorption–desorption analysis. In the characterization, we found that CuO-CeO₂ composites were showed uniform size and morphology which were consisted of the secondary nanoflakes interconnected with each other. Most interestingly, the composites showed efficient performance to remove methyl blue and Congo red dyes from water with maximum adsorption capacities of 2131.24 and 1072.09 mg g⁻¹, respectively. In addition, because of their larger surface area and the unique hierarchical structures, the adsorption performance of the CuO-CeO₂ composites is much better than the materials of CuO and CeO₂.

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Title: Facile synthesis of uniform hierarchical composites CuO-CeO2 for enhanced dye removal
Authors: Pan Xu
Helin Niu
Jingshuai Chen
Jiming Song
Changjie Mao
Shengyi Zhang
Yuanhao Gao
Changle Chen
Publication date: 01-12-2016
Publisher: Springer Netherlands
Published in: Journal of Nanoparticle Research / Issue 12/2016
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-016-3684-7

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