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Updated: Jun 17, 2026

Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
Molecular dynamics of adsorption and segregation from an alkane mixture
Abstract:
Adsorption and segregation of n-hexadecane molecules from an equal by weight mixture of n-hexadecane and n-hexane to an Au(001) surface at 315 kelvin are studied with the use of molecular dynamics simulations. Preferential adsorption of n-hexadecane at the solid-to-liquid interface together with subsequent layer-by-layer growth of an ordered, wetting interface were observed. The long chains penetrate and adsorb at the interfacial layer by means of a sequential segmental mechanism involving end-segment anchoring and displacive desorption of preadsorbed n-hexane molecules.
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