Pattern-Directed Dewetting of Ultrathin Polymer Films

Abstract

We utilize chemically patterned substrates with arrays of progressively narrower stripes (1-15 μm) to investigate the influence of pattern size on the morphology of ultrathin dewetting polystyrene films. The scale and orientation of the spinodal-like height fluctuations of the dewetting patterns are coupled to the imposed substrate chemical frequency… (More)

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