Farnaz Farbod, Behzad Pourabbas and Mehdi Sharif Direct breath figure formation on PMMA and superhydrophobic surface using in situ perfluoro-modified silica nanoparticles Journal of Polymer Science Part B: Polymer Physics 51
Creation of superhydrophobic surfaces can be achieved by controlling topography via techniques including electrodeposition, nanowire arrays, or more recently, breath figures (BF). The BF method creates surface patterns by streaming humid air over the polymer solution layer, and water droplets create sink marks. In this work, a modified BF method, named direct BF, is proposed and a patterned layer film forms as part of the substrate poly(methyl methacrylate), without applying an external polymer solution. Superhydrophobic silica nanoparticles are grown inside the pattern.
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