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http://dx.doi.org/10.7234/composres.2021.34.4.264

Hydrophobic Organic/Inorganic Composite Films with 3D Hierarchical Nanostructured Surfaces  

Seo, Huijin (Department of Materials Science and Engineering, Kumoh National Institute of Technology)
Ahn, Jinseong (Department of Materials Science and Engineering, Kumoh National Institute of Technology)
Park, Junyong (Department of Materials Science and Engineering, Kumoh National Institute of Technology)
Publication Information
Composites Research / v.34, no.4, 2021 , pp. 264-268 More about this Journal
Abstract
In this study, we propose a method for fabricating hydrophobic coatings/films with three-dimensional (3D) hierarchical nanostructured organic/inorganic composite surfaces. An epoxy-based, large-area 3D ordered nanoporous template is first prepared through an advanced photolithography technique called Proximity-field nanoPatterning (PnP). Then, a hierarchically structured surface is generated by densely impregnating the template with silica nanoparticles with an average diameter of 22 nm through dip coating. Due to the coexisting micro- and nano-scale roughness on the surface, the fabricated composite film exhibits a higher contact angle (>137 degrees) for water droplets compared to the reference samples. Therefore, it is expected that the materials and processes developed through this study can be used in various ways in the traditional coating/film field.
Keywords
Surface texturing; Hierarchical structure; Nanopatterning; Nanostructure; Organic/inorganic composite;
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