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Dynamic stratification in drying films of colloidal mixtures

Fortini, A, Martin-Fabiani, I, Haye, JLDL, Dugas, P-Y, Lansalot, M, D'Agosto, F, Bourgeat-Lami, E, Keddie, JL and Sear, RP (2016) Dynamic stratification in drying films of colloidal mixtures Physical Review Letters.

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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 :
AuthorsEmailORCID
Fortini, AUNSPECIFIEDUNSPECIFIED
Martin-Fabiani, IUNSPECIFIEDUNSPECIFIED
Haye, JLDLUNSPECIFIEDUNSPECIFIED
Dugas, P-YUNSPECIFIEDUNSPECIFIED
Lansalot, MUNSPECIFIEDUNSPECIFIED
D'Agosto, FUNSPECIFIEDUNSPECIFIED
Bourgeat-Lami, EUNSPECIFIEDUNSPECIFIED
Keddie, JLUNSPECIFIEDUNSPECIFIED
Sear, RPUNSPECIFIEDUNSPECIFIED
Date : 25 February 2016
Funders : Europen Union
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 : 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 : 01 Mar 2016 16:10
Last Modified : 01 Mar 2016 16:12
URI: http://epubs.surrey.ac.uk/id/eprint/809952

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