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Issue 20, 2018
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Ionic structure around polarizable metal nanoparticles in aqueous electrolytes

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Abstract

Metal nanoparticles are receiving increased scientific attention owing to their unique physical and chemical properties that make them suitable for a wide range of applications in diverse fields, such as electrochemistry, biochemistry, and nanomedicine. Their high metallic polarizability is a crucial determinant that defines their electrostatic character in various electrolyte solutions. Here, we introduce a continuum-based model of a metal nanoparticle with explicit polarizability in the presence of different kinds of electrolytes. We employ several, variously sophisticated, theoretical approaches, corroborated by Monte Carlo simulations in order to elucidate the basic electrostatics principles of the model. We investigate how different kinds of asymmetries between the ions result in non-trivial phenomena, such as charge separation and a build-up of a so-called zero surface-charge double layer.

Graphical abstract: Ionic structure around polarizable metal nanoparticles in aqueous electrolytes

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Publication details

The article was received on 27 Feb 2018, accepted on 04 Apr 2018 and first published on 10 Apr 2018


Article type: Paper
DOI: 10.1039/C8SM00399H
Citation: Soft Matter, 2018,14, 4053-4063
  • Open access: Creative Commons BY license
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    Ionic structure around polarizable metal nanoparticles in aqueous electrolytes

    B. Petersen, R. Roa, J. Dzubiella and M. Kanduč, Soft Matter, 2018, 14, 4053
    DOI: 10.1039/C8SM00399H

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      [Original citation] - Published by The Royal Society of Chemistry.

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