A unified perspective on preferential solvation and adsorption based on inhomogeneous solvation theory

Seishi Shimizu; Nobuyuki Matubayasi

doi:10.1016/j.physa.2017.11.113

A unified perspective on preferential solvation and adsorption based on inhomogeneous solvation theory

Seishi Shimizu, Nobuyuki Matubayasi

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

How cosolvents affects solvation has been revealed through the independent determination of solute-solvent and solute-cosolvent interactions guaranteed by the phase rule. Based on the first principles of inhomogeneous solvation theory, we present here a general matrix theory encompassing both preferential solvation and surface adsorption. The central role of the stability conditions that determine how many excess numbers (surface excesses) are independently determinable, have been clarified from the first principles. The advantage of the inhomogeneous approach has been demonstrated to be in its ease in treating solvation and adsorption in a unified manner, while its disadvantage, for example in membrane dialysis experiments, can be overcome by the inhomogeneous-homogeneous conversion.

Original language	English
Pages (from-to)	1988-1996
Number of pages	9
Journal	Physica A: Statistical Mechanics and its Applications
Volume	492
Early online date	21 Nov 2017
DOIs	https://doi.org/10.1016/j.physa.2017.11.113
Publication status	Published - 15 Feb 2018

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10.1016/j.physa.2017.11.113

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Cite this

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