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Anomalously Slow Dewetting of Colloidal Particles at a Liquid/Gas Interface

Department of Mathematics, Technion-Israel Institutute of Technology, Technion City, Haifa 32000, Israel
Colloids Interfaces 2019, 3(1), 26; https://doi.org/10.3390/colloids3010026
Received: 17 December 2018 / Revised: 3 February 2019 / Accepted: 4 February 2019 / Published: 8 February 2019
(This article belongs to the Special Issue Wetting on Micro/Nano-Scale: From Fundamentals to Application)
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PDF [238 KB, uploaded 28 February 2019]

Abstract

We consider the anomalously slow dewetting of colloidal particles adsorbed at a liquid/gas interface. The particles move in the vertical direction under the action of a regular capillary force and an irregular force caused by defects (roughness and chemical heterogeneity). The particle diffusion is modeled by a random walk over a potential minima with jump rates determined by the Arrhenius law. The averaged particle motion is found under the assumption of Gaussian distributions for characteristic properties of spatial heterogeneities. View Full-Text
Keywords: colloidal particle; interfacial adsorption; anomalous diffusion colloidal particle; interfacial adsorption; anomalous diffusion
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Nepomnyashchy, A. Anomalously Slow Dewetting of Colloidal Particles at a Liquid/Gas Interface. Colloids Interfaces 2019, 3, 26.

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