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Continuous Self-Energy of Ions at the Dielectric Interface

Wang, Rui and Wang, Zhen-Gang (2014) Continuous Self-Energy of Ions at the Dielectric Interface. Physical Review Letters, 112 (13). Art. No. 136101. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:20140530-110321209

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Abstract

By treating both the short-range (solvation) and long-range (image force) electrostatic forces as well as charge polarization induced by these forces in a consistent manner, we obtain a simple theory for the self-energy of an ion that is continuous across the interface. Along with nonelectrostatic contributions, our theory enables a unified description of ions on both sides of the interface. Using intrinsic parameters of the ions, we predict the specific ion effect on the interfacial affinity of halogen anions at the water-air interface, and the strong adsorption of hydrophobic ions at the water-oil interface, in agreement with experiments and atomistic simulations.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1310.8274arXivDiscussion Paper
http://dx.doi.org/10.1103/PhysRevLett.112.136101 DOIArticle
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.112.136101PublisherArticle
ORCID:
AuthorORCID
Wang, Zhen-Gang0000-0002-3361-6114
Additional Information:© 2014 American Physical Society. Received 20 October 2013; published 2 April 2014. Acknowledgment is made to the donors of the American Chemical Society Petroleum Research Fund for partial support of this research. We thank Professor Yan Levin for many helpful discussions.
Funders:
Funding AgencyGrant Number
American Chemical Society Petroleum Research Fund UNSPECIFIED
Classification Code:PACS: 82.45.Gj, 05.20.-y, 61.20.Qg, 68.03.Cd
Record Number:CaltechAUTHORS:20140530-110321209
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140530-110321209
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:46008
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 May 2014 19:28
Last Modified:05 Oct 2015 19:33

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