A Co3O4 nano-needle mesh for highly efficient, high-flux emulsion separation

Yuee Chen; Nü Wang; Fengyun Guo; Lanlan Hou; Jingchong Liu; Jing Liu; Yue Xu; Yong Zhao; Lei Jiang

doi:10.1039/C6TA02579J

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A Co₃O₄ nano-needle mesh for highly efficient, high-flux emulsion separation†

Yuee Chen,^a Nü Wang,*^ab Fengyun Guo,^a Lanlan Hou,^a Jingchong Liu,^a Jing Liu,^a Yue Xu,*^a Yong Zhao^a and Lei Jiang^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Bioinspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bioinspired Energy Materials and Devices, School of Chemistry and Environment, Beihang University, Beijing 100191, China
E-mail: wangn@buaa.edu.cn, xuyue@buaa.edu.cn
Fax: +86-10-82317801

^b Institute for Superconducting and Electronic Materials, University of Wollongong, North Wollongong, NSW 2500, Australia

Abstract

A Co₃O₄ nano-needle steel mesh was prepared by a facile hydrothermal synthesis and subsequent calcination method. The mesh is superhydrophilic in air and superoleophobic low-adhesive underwater. More importantly, the mesh exhibits outstanding chemical stability even in strongly basic and high-concentration salt solutions, which accomplishes the separation of alkaline and saline oil-in-water emulsions with high efficiency (above 99%) and high flux (2000 L m⁻² h⁻¹).

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Article information

DOI: https://doi.org/10.1039/C6TA02579J
Article type: Communication
Submitted: 28 Mar 2016
Accepted: 01 Jun 2016
First published: 02 Jun 2016

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J. Mater. Chem. A, 2016,4, 12014-12019

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A Co₃O₄ nano-needle mesh for highly efficient, high-flux emulsion separation

Y. Chen, N. Wang, F. Guo, L. Hou, J. Liu, J. Liu, Y. Xu, Y. Zhao and L. Jiang, J. Mater. Chem. A, 2016, 4, 12014 DOI: 10.1039/C6TA02579J

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Journal of Materials Chemistry A