A decreasing trend for the apparent contact angles with increasing size of the posts was also noticed before in experimental and theoretical approaches for patterned metal surfaces with hydrophobic coating [ 67 ], and is confirmed by our tests.
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Demonstration of Pattern Size Effects on Hydrophobic Nanocellulose Coatings with Regular Micron-Sized Island-like Geometrical Domains Created by Femtosecond Laser Micromachining.
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