Abstract
In this work, we studied influence of fluoropolymer thin film deposition on wettability of the silicon oxide nanowires array. Deposition of fluoropolymer coating on the silicon oxide nanowires array changes the surface properties from hydrophilic to hydrophobic, and micro and nano scale surface roughness does not change significantly. In addition, it was shown that the deposition of fluoropolymer coating on nanowires protects the nanostructures from bundling together as a result of the attractive capillary forces that arise during evaporative drying.
Highlights
The surfaces with different wettability has wide industrial applications [1]
We studied influence of fluoropolymer thin film deposition on wettability of the silicon oxide nanowires array
Analysis of the photograph (Fig. 1b) of the water droplet on the silicon oxide nanowires grown on c-Si substrate shows the measured contact angle was
Summary
Increased interest in such surfaces in bio [2] and nano [3] technologies. Interesting are cases when the wetting takes limits – surface to become super hydrophilic or super hydrophobic. To change the wettability in various ways, such as nano structuring of surfaces, surface functionalization by chemical methods or by applying thin films of hydrophobic materials [4]. We studied influence of fluoropolymer thin film deposition on wettability of the silicon oxide nanowires array. If the obtained silicon oxide nanowires array were hydrophilic nature, the fluoropolymer thin film after deposition, they became hydrophobic. Fluoropolymer treatment allows to avoid of undesirable liquid surface tension effects that can alter the morphology of nanowire arrays irreversibly and detrimentally [5]
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