Controlling the Location and Spatial Extent of Nanobubbles Using Hydrophobically Nanopatterned Surfaces
Author(s)
Agrawal, Abhinandan; Park, Juhyun; Ryu, Du Y.; Hammond, Paula T.; Russell, Thomas P.; McKinley, Gareth H.; ... Show more Show less
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Show full item recordAbstract
The presence of nanobubbles—as imaged with tapping-mode atomic force microscopy—
is controlled using nanopatterned surfaces possessing repeating patterns of polystyrene (hydrophobic domains) and polymethyl-methacrylate (hydrophilic domains). For nanobubbles to be present, we find that, in addition to controlling the degree of surface hydrophobicity, it is important for the spatial dimensions of the hydrophobic domains on the nanopatterned surface to be commensurate with the equilibrium topology of the nanobubbles.
Date issued
2005-08-22Series/Report no.
05-P-09
Keywords
Nanobubbles, AFM, Hydrophobic surface, Lithography
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