Abstract:The Marangoni effect causes liquids to flow toward localized regions with higher surface tension. In a polymer thin film, the flow induced by photochemically programmed surface tension gradients can be harnessed to manufacture patterned surfaces. Patterned polymer films are particularly useful for controlling adhesion, improving photonic device efficiency, and directing cellular alignment. In general, a broader range of accessible pattern resolutions and/or aspect ratios ensures a broader range of applications… Show more
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