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Experimental Evidence for Algebraic Double-Layer Forces

Contributors

Stojimirovic, Biljana; Vis, Mark; Tuinier, Remco; Philipse, Albert P.; Trefalt, Gregor

Published in

Langmuir, vol. 36, no. 1, p. 47-54

Publication date

2020

Abstract

According to conventional wisdom, electric double-layer forces normally decay exponentially with separation distance. Here, we present experimental evidence of algebraically decaying double-layer interactions. We show that algebraic interactions arise in both strongly overlapping as well as counterion-only regimes, albeit the evidence is less clear for the former regime. In both of these cases, the disjoining pressure profile assumes an inverse square distance dependence. At small separation distances, another algebraic regime is recovered. In this regime, the pressure decays as the inverse of separation distance.

UNIGE affiliation entities

UNIGE research groups

Citation (ISO format)

STOJIMIROVIC, Biljana et al. Experimental Evidence for Algebraic Double-Layer Forces. In: Langmuir, 2020, vol. 36, n° 1, p. 47–54. doi: 10.1021/acs.langmuir.9b03077

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Article (Published version)
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Identifiers

Additional URL for this publication

https://pubs.acs.org/doi/10.1021/acs.langmuir.9b03077

Journal ISSN

0743-7463
298views
151downloads

Technical informations

Creation

02/06/2020 11:56:00

First validation

02/06/2020 11:56:00

Update

30/03/2023 11:04:24

Status update

30/03/2023 11:04:24

Last indexation

31/10/2024 18:45:55
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