Facile Fabrication of Ordered Nanostructures from Protruding Nanoballs to Recessional Nanosuckers via Solvent Treatment on Covered Nanosphere Assembled Monolayers

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Abstract
We present a facile lithographic nanosphere production process by laminating a nanosphere monolayer with a UV resin and applying various gentle solvent treatments to produce “bottom-up” and “bottom-down” nonclose-packed patterns and investigate their practical applications in nanolenses for optical display and nanosuckers for adhesion. The solvents effect depending on its solubility parameter and solubility tendency toward the interior polystyrene nanospheres was discussed. The polymer-based nanosucker pattern displays shear adhesion force as high as 75.2 N/cm2.

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