Tuning surface wettability using single layered and hierarchically ordered arrays of spherical colloidal particlesElectronic supplementary information (ESI) available: Derivations of the wetting state equations, contact angle data for different particle size arrays, SEM images of HNCP patterns with different particle sizes, AFM images and analysis for determining R2 for each coating, and XPS analysis for the chemical quantification of the PECVD coatings. See DOI: 10.1039/c2sm27773e
A control over wetting properties of a surface can be achieved by tuning surface roughness and surface chemistry. In this study, we formed single layer roughness and dual levels of hierarchical roughness with hexagonal non-contiguously close packed (HNCP) patterns of spherical particles using colloi...
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