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Dynamic stratification in drying films of colloidal mixtures

Fortini, Andrea, Martin-Fabiani, Ignacio, De La Haye, Jennifer Lesage, Dugas, Pierre-Yves, Lansalot, Muriel, D'Agosto, Franck, Bourgeat-Lami, Elodie, Keddie, Joseph and Sear, Richard (2016) Dynamic stratification in drying films of colloidal mixtures Physical Review Letters, 116 (11).

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Abstract

In simulations and experiments, we study the drying of films containing mixtures of large and small colloidal particles in water. During drying, the mixture stratifies into a layer of the larger particles at the bottom with a layer of the smaller particles on top. We developed a model to show that a gradient in osmotic pressure, which develops dynamically during drying, is responsible for the segregation mechanism behind stratification.

Item Type: Article
Subjects : Physics
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
NameEmailORCID
Fortini, Andreaa.fortini@surrey.ac.uk
Martin-Fabiani, Ignacio
De La Haye, Jennifer Lesage
Dugas, Pierre-Yves
Lansalot, Muriel
D'Agosto, Franck
Bourgeat-Lami, Elodie
Keddie, JosephJ.Keddie@surrey.ac.uk
Sear, RichardR.Sear@surrey.ac.uk
Date : 18 March 2016
Funders : Europen Union
DOI : 10.1103/PhysRevLett.116.118301
Grant Title : BarrierPlus FP7-SME-2012-2
Copyright Disclaimer : Copyright 2016 American Physical Society. This is the author's version of a paper accepted for publication in Physical Review Letters.
Uncontrolled Keywords : Cond-mat.soft; Cond-mat.soft; Cond-mat.mtrl-sci; Cond-mat.stat-mech
Related URLs :
Additional Information : Errata Phys. Rev. Lett. 116, 229902 (2016); Phys. Rev. Lett. 116, 229901 (2016)- corrected 18 May 2016 Copyright 2016 American Physical Society. This is the author's version of a paper accepted for publication in Physical Review Letters.
Depositing User : Symplectic Elements
Date Deposited : 26 Jun 2017 08:51
Last Modified : 06 Jul 2019 05:15
URI: http://epubs.surrey.ac.uk/id/eprint/810139

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