The Cassie-Wenzel transition of fluids on nanostructured substrates: Macroscopic force balance versus microscopic density-functional theory

11 Oct 2016 Tretyakov Nikita Papadopoulos Periklis Vollmer Doris Butt Hans-Jürgen Dünweg Burkhard Daoulas Kostas Ch.

Classical density functional theory is applied to investigate the validity of a phenomenological force-balance description of the stability of the Cassie state of liquids on substrates with nanoscale corrugation. A bulk free-energy functional of third order in local density is combined with a square-gradient term, describing the liquid-vapor interface... (read more)

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