Hydration forces near charged interfaces in terms of effective ion potentials

Stjepan Marčelja

doi:10.1016/j.cocis.2011.04.001

Hydration forces near charged interfaces in terms of effective ion potentials

Stjepan Marčelja^*

^*Corresponding author for this work

Research output: Contribution to journal › Review article › peer-review

23 Citations (Scopus)

Abstract

Experiments and simulations provide detailed information on the structure and interaction of charged interfaces in aqueous solutions. In order to understand this information in terms of general principles it is favourable to use effective potentials, which describe the interaction of ions and surfaces in the presence of solvent. Effective potentials are derived from molecular simulations and are capable of discerning ion-specific behaviour. We argue that short-range interactions in aqueous solutions involve two characteristic lengths, the range of the interaction and the spatial periodicity, both about 2.5. ±. 0.5. Å.

Original language	English
Pages (from-to)	579-583
Number of pages	5
Journal	Current Opinion in Colloid and Interface Science
Volume	16
Issue number	6
DOIs	https://doi.org/10.1016/j.cocis.2011.04.001
Publication status	Published - Dec 2011

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abstract = "Experiments and simulations provide detailed information on the structure and interaction of charged interfaces in aqueous solutions. In order to understand this information in terms of general principles it is favourable to use effective potentials, which describe the interaction of ions and surfaces in the presence of solvent. Effective potentials are derived from molecular simulations and are capable of discerning ion-specific behaviour. We argue that short-range interactions in aqueous solutions involve two characteristic lengths, the range of the interaction and the spatial periodicity, both about 2.5. ±. 0.5. {\AA}.",

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AB - Experiments and simulations provide detailed information on the structure and interaction of charged interfaces in aqueous solutions. In order to understand this information in terms of general principles it is favourable to use effective potentials, which describe the interaction of ions and surfaces in the presence of solvent. Effective potentials are derived from molecular simulations and are capable of discerning ion-specific behaviour. We argue that short-range interactions in aqueous solutions involve two characteristic lengths, the range of the interaction and the spatial periodicity, both about 2.5. ±. 0.5. Å.

KW - Aqueous solutions

KW - Effective potentials

KW - Surface interaction

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U2 - 10.1016/j.cocis.2011.04.001

DO - 10.1016/j.cocis.2011.04.001

M3 - Review article

SN - 1359-0294

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SP - 579

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JO - Current Opinion in Colloid and Interface Science

JF - Current Opinion in Colloid and Interface Science

IS - 6

ER -

Hydration forces near charged interfaces in terms of effective ion potentials

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