Multicharged Colloids at the Metal/Electrolyte Interface

The electrostatic properties of multicharged colloids (the so-called DLVO complexes) at the interface of two media with different permittivities are discussed. It is shown that being quasi-neutral in the electrolyte volume, the DLVO colloids turn out to be partly charged near the z = 0 boundary that...

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Bibliographic Details
Published in:Russian journal of electrochemistry 2023, Vol.59 (1), p.49-53
Main Authors: Chikina, I., Shikin, V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Colloids
Electrochemistry
Interatomic distance
Physical Chemistry
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Summary:The electrostatic properties of multicharged colloids (the so-called DLVO complexes) at the interface of two media with different permittivities are discussed. It is shown that being quasi-neutral in the electrolyte volume, the DLVO colloids turn out to be partly charged near the z = 0 boundary that separates these media. The problem of the interaction of an individual colloid, which has a solid inoculating core ( a 0 is the interatomic distance) and the charge ( e is elementary charge), with the metal/electrolyte interface is considered in detail. The problem has various applications in the diagnosis of DLVO complexes and the practice of dealing with solutions capable of maintaining the electrophoretic motion of colloidal assembles.
ISSN:1023-1935
1608-3342
DOI:10.1134/S102319352301007X