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Mini-Reviews in Medicinal Chemistry


ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Review Article

Asymmetric Finite Size of Ions and Orientational Ordering of Water in Electric Double Layer Theory Within Lattice Model

Author(s): Ekaterina Gongadze, Luka Mesarec, Veronika Kralj-Iglic and Ales Iglic*

Volume 18, Issue 18, 2018

Page: [1559 - 1566] Pages: 8

DOI: 10.2174/1389557518666180626111927

Price: $65


In the present review, a brief historical survey of the mean-field theoretical description of Electric Double Layer (EDL) is presented. Special attention is devoted to asymmetric finite size of ions and orientational ordering of water dipoles. A model of Wicke and Eigen, who were first to explicitly derive the ion distribution functions for finite size of ions, is discussed. Arguments are given in favour of changing the recently adopted name of the mean-field EDL model for finite size of ions from Bikerman model to Bikerman-Wicke-Eigen model. Theoretically predicted asymmetric and symmetric camel-like shape of the voltage dependence of the differential capacitance is also discussed.

Keywords: Electric double layer, Wicke-Eigen model, Bikerman model, finite volumes, water dipoles, lattice model.

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