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Issue 45, 2013
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Facile synthesis of transparent superhydrophobic titania coating by using soot as a nanoimprint template

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Abstract

This paper develops a robust method for the facile synthesis of transparent superhydrophobic TiO2 film by using the flame soot layer as a nanoimprint template. After the nanoimprint and calcination process, the TiO2 coating exhibited the inverse roughness structure of the soot layer with high transparent properties. And subsequent hydrophobic modification with 1H,1H,2H,2H-perfluorodecyltriethoxysilane (FAS) rendered the transparent surfaces superhydrophobic (168 ± 4° for water). The transparency and superhydrophobicity of the TiO2 coating could be controlled by adjusting the initial concentration of the TiO2 suspension. The coating possesses excellent chemical stabilities and good mechanical resistance. Moreover, a superhydrophobic–superhydrophilic micropattern was further fabricated by illumination with ultraviolet light through a photomask. This fabrication process is expected to be extended to other transparent superhydrophobic coatings and to be used in many research fields.

Graphical abstract: Facile synthesis of transparent superhydrophobic titania coating by using soot as a nanoimprint template

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Publication details

The article was received on 20 Jul 2013, accepted on 23 Sep 2013 and first published on 10 Oct 2013


Article type: Communication
DOI: 10.1039/C3RA43798A
RSC Adv., 2013,3, 22825-22829

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    Facile synthesis of transparent superhydrophobic titania coating by using soot as a nanoimprint template

    S. Liu, M. Sakai, B. Liu, C. Terashima, K. Nakata and A. Fujishima, RSC Adv., 2013, 3, 22825
    DOI: 10.1039/C3RA43798A

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