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  Electrostatic interactions between charge regulated spherical macroions

Ruixuan, H., Majee, A., Dobnikar, J., & Podgornik, R. (2023). Electrostatic interactions between charge regulated spherical macroions. European Physical Journal E, 46(11): 115. doi:10.1140/epje/s10189-023-00373-9.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-6647-0 Version Permalink: https://hdl.handle.net/21.11116/0000-000E-6648-F
Genre: Journal Article

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 Creators:
Ruixuan, Hu1, Author
Majee , Arghya1, Author
Dobnikar, Jure1, Author
Podgornik, Rudolf1, Author
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 Abstract: We study the interaction between two charge regulating spherical macroions with dielectric interior and dissociable surface groups immersed in a monovalent electrolyte solution. The charge dissociation is modelled via the Frumkin-Fowler-Guggenheim isotherm, which allows for multiple adsorption equilibrium states. The interactions are derived from the solutions of the mean-field Poisson-Boltzmann type theory with charge regulation boundary conditions. For a range of conditions we find symmetry breaking transitions from symmetric to asymmetric charge distribution exhibiting annealed charge patchiness, which results in like-charge attraction even in a univalent electrolyte-thus fundamentally modifying the nature of electrostatic interactions in charge-stabilized colloidal suspensions.

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Language(s): eng - English
 Dates: 2023-11-292023-11-29
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: ISI: 001116596300003
DOI: 10.1140/epje/s10189-023-00373-9
arXiv: 2308.03254
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Title: European Physical Journal E
  Other : Eur. Phys. J. E
Source Genre: Journal
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Publ. Info: Berlin : Springer
Pages: - Volume / Issue: 46 (11) Sequence Number: 115 Start / End Page: - Identifier: ISSN: 1292-8941
CoNE: https://pure.mpg.de/cone/journals/resource/954925624277_1