Porous CeO2 nanowires/nanowire arrays: electrochemical synthesis and application in water treatment

Xi-hong Lu; De-zhou Zheng; Jia-yong Gan; Zhao-qing Liu; Chao-lun Liang; Peng Liu; Ye-xiang Tong

doi:10.1039/C0JM00487A

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Porous CeO₂nanowires/nanowire arrays: electrochemical synthesis and application in water treatment†

Xi-hong Lu,^a De-zhou Zheng,^a Jia-yong Gan,^a Zhao-qing Liu,^a Chao-lun Liang,^b Peng Liu*^a and Ye-xiang Tong*^a

Author affiliations

* Corresponding authors

^a MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Institute of Optoelectronic and Functional Composite Materials, Sun Yat-Sen University, China
E-mail: ceslp@mail.sysu.edu.cn, chedhx@mail.sysu.edu.cn
Fax: +86 20 84112245
Tel: +86 20 84110071

^b Instrumental Analysis and Research Centre, Sun Yat-Sen University, China

Abstract

Herein, we present a template- and surfactant-free electrochemical method for the fabrication of hierarchical porous CeO₂ NWs and NWAs. These porous NWs/NWAs have diameters of 50–200 nm and lengths of up to several micrometres. Both the NWs and NWAs exhibit an excellent ability to remove Congo red in wastewater treatment.

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Supplementary files

Pore size distribution of porous CeO ₂ NWs, SEM and TEM images of CeO ₂ nanospheres and porous CeO ₂ NWs calcined at 400 °C for 180 min in air, adsorption experiments for Congo red, and nitrogen adsorption–desorption isotherms of the calcined porous CeO ₂ NWs PDF (1686K)

Article information

DOI: https://doi.org/10.1039/C0JM00487A
Article type: Paper
Submitted: 23 Feb 2010
Accepted: 27 May 2010
First published: 26 Jul 2010

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J. Mater. Chem., 2010,20, 7118-7122

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Porous CeO₂ nanowires/nanowire arrays: electrochemical synthesis and application in water treatment

X. Lu, D. Zheng, J. Gan, Z. Liu, C. Liang, P. Liu and Y. Tong, J. Mater. Chem., 2010, 20, 7118 DOI: 10.1039/C0JM00487A

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Journal of Materials Chemistry