On the theoretical description of weakly charged surfaces

The Journal of Chemical Physics
Rui Wang, Zhen-Gang Wang

Abstract

It is widely accepted that the Poisson-Boltzmann (PB) theory provides a valid description for charged surfaces in the so-called weak coupling limit. Here, we show that the image charge repulsion creates a depletion boundary layer that cannot be captured by a regular perturbation approach. The correct weak-coupling theory must include the self-energy of the ion due to the image charge interaction. The image force qualitatively alters the double layer structure and properties, and gives rise to many non-PB effects, such as nonmonotonic dependence of the surface energy on concentration and charge inversion. In the presence of dielectric discontinuity, there is no limiting condition for which the PB theory is valid.

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Citations

Apr 10, 2016·The Journal of Chemical Physics·Rui Wang, Zhen-Gang Wang
Mar 18, 2017·The Journal of Physical Chemistry. B·Lijun Liu, Issei Nakamura
May 28, 2019·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Mao SuYanting Wang
Sep 26, 2015·Physical Review Letters·Florian FahrenbergerChristian Holm
Jul 1, 2016·Journal of Physics. Condensed Matter : an Institute of Physics Journal·S Buyukdagli, R Blossey
May 3, 2018·The Journal of Chemical Physics·Alexandre P Dos Santos, Roland R Netz
Feb 3, 2019·The Journal of Chemical Physics·Artem Baskin, David Prendergast
Oct 4, 2018·The Journal of Chemical Physics·Bilin Zhuang, Zhen-Gang Wang
Feb 10, 2020·The Journal of Chemical Physics·Kun Liu, Jianzhong Wu
Feb 13, 2016·Physical Review. E·Zhi-Yong Wang
Apr 20, 2018·Soft Matter·Bendix PetersenMatej Kanduč
Feb 20, 2020·Physical Review. E·J B Sokoloff
Dec 29, 2020·Advances in Colloid and Interface Science·Andrew R CrothersC J Radke
Jun 22, 2021·Soft Matter·Nicholas A Zervoudis, Allie C Obermeyer
Apr 6, 2018·ACS Applied Materials & Interfaces·Mario ŠpadinaKlemen Bohinc

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