Wetting Effect Induced Depletion and Adsorption Layers: Diffuse Interface Perspective
Haodong Zhang,
Hongmin Zhang,
Fei Wang
et al.
Abstract:When multi‐component fluid contact the rigid substrate,
the van der Waals interaction between fluids and substrate
induces a depletion/adsorption layer on the intrinsic wettability of the system.
In this study, we investigate the depletion/adsorption
behaviors of A‐B fluid system.
We derive analytical expressions for the equilibrium layer thickness
and the equilibrium composition distribution near the solid wall,
based on the theories of de Gennes and Cahn.
Our derivation is verified through phase‐field simul… Show more
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