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Vol. 26 No. 2 (2014): Vol 26 Issue 2

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Preparation of Cu2O Superhydrophobic Film with Hierarchical Structure via the Facile Route

https://doi.org/10.14233/ajchem.2014.15371
Mingde Pei1
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn
Bo Wang1
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn
Yunhui Tang1
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn
Xuehong Zhang1
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn
Hui Yan1
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn
Xiaoxue Zhang2
1Department of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, P.R. China 2Laboratory of Ceramic Materials, Department of Materials Science, Tampere University of Technology, P.O.Box 589, FI-33101 Tampere, Finland *Corresponding author: Tel: +86 10 67396274; E-mail: wangbo@bjut.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 2 (2014): Vol 26 Issue 2

Abstract

A Cu2O layer was employed as a new method to achieve the superhydrophobicity on a copper surface using a simple hydrothermal method. First, a Cu2O layer with a hierarchical structure was grown on the copper surface using an oxidization step and it exhibited the hydrophilicity. The analysis results of XRD and XPS confirmed the formation of a Cu2O phase on the copper surface. Second, the Cu2O surface was changed to superhydrophobicity via a modifying process using 1H,1H,2H,2H-perfluorodecyltriethoxysilane. Peaks corresponding to F1s, -CH2, -CF2 and -CF3 groups in the XPS spectra confirm the assemblage of the F-contained radicals on the surface. The wetting mechanism is discussed briefly. Wetting tests also demonstrate that a water droplet on the surface can slide away very easily, even with only a slight tilt and that it has a lower adhesion to the modified surface.

Keywords

Surface oxidation Superhydrophobic surface Hierarchical structure Contact angle.
Pei1, M., Wang1, B., Tang1, Y., Zhang1, X., Yan1, H., & Zhang2, X. (2014). Preparation of Cu2O Superhydrophobic Film with Hierarchical Structure via the Facile Route. Asian Journal of Chemistry, 26(2), 315–318. https://doi.org/10.14233/ajchem.2014.15371
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