Physics of Hydrophobic Cavities
It has been long believed that modern physics fails in explaining the forces measured between hydrophobic surfaces. We show that the dispersion attraction and cavitation between two uncharged strongly hydrophobic surfaces agree with the classical capillarity and Lifshitz theories. The fluorinated macroscopic glass spheres, with contact angles over 90°, show several times weaker van der Waals attraction across water compared to measurements in air. The aqueous film, stable down to distances...[Show more]
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