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Open Access Progress in Superhydrophilic Surface Development

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Superhydrophilic surfaces induce the complete spreading of a water droplet to near-zero contact angle. This extreme water-loving behavior makes such surfaces favorable for a broad range of research and commercial applications. Superhydrophilicity can be induced by surface structure, specifically by rough and porous microstructures. Surface reactions based on photo-induced mechanism enhance the superhydrophilic effect of surfaces with microstructures. In this review, the generation of porous and rough surfaces exhibiting superhydrophilicity using various techniques such as etching, layer-by-layer assembly, hydrothermal treatment, nanocomposite coatings and polymerization are summarized. Furthermore, techniques for creating superhydrophilic coatings comprising light-sensitive materials are described. We also discuss the fundamental challenges involved in generating robust superhydrophilic surfaces.

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Document Type: Review Article

Publication date: June 1, 2011

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  • Materials Express is a peer-reviewed multidisciplinary journal reporting emerging researches on materials science, engineering, technology and biology. Cutting-edge researches on the synthesis, characterization, properties, and applications of a very wide range of materials are covered for broad readership; from physical sciences to life sciences. In particular, the journal aims to report advanced materials with interesting electronic, magnetic, optical, mechanical and catalytic properties for industrial applications.
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