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Dynamic Stratification in Drying Films of Colloidal Mixtures

Andrea Fortini, Ignacio Martín-Fabiani, Jennifer Lesage De La Haye, Pierre-Yves Dugas, Muriel Lansalot, Franck D’Agosto, Elodie Bourgeat-Lami, Joseph L. Keddie, and Richard P. Sear
Phys. Rev. Lett. 116, 118301 – Published 18 March 2016; Errata Phys. Rev. Lett. 116, 229902 (2016); Phys. Rev. Lett. 116, 229901 (2016)
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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.

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  • Received 10 October 2015
  • Corrected 18 May 2016

DOI:https://doi.org/10.1103/PhysRevLett.116.118301

© 2016 American Physical Society

Physics Subject Headings (PhySH)

  1. Physical Systems
Polymers & Soft Matter

Corrections

18 May 2016

Errata

Publisher’s Note: Dynamic Stratification in Drying Films of Colloidal Mixtures [Phys. Rev. Lett. 116, 118301 (2016)]

Andrea Fortini, Ignacio Martín-Fabiani, Jennifer Lesage De La Haye, Pierre-Yves Dugas, Muriel Lansalot, Franck D’Agosto, Elodie Bourgeat-Lami, Joseph L. Keddie, and Richard P. Sear
Phys. Rev. Lett. 116, 229902 (2016)

Erratum: Dynamic Stratification in Drying Films of Colloidal Mixtures [Phys. Rev. Lett. 116, 118301 (2016)]

Andrea Fortini, Ignacio Martín-Fabiani, Jennifer Lesage De La Haye, Pierre-Yves Dugas, Muriel Lansalot, Franck D’Agosto, Elodie Bourgeat-Lami, Joseph L. Keddie, and Richard P. Sear
Phys. Rev. Lett. 116, 229901 (2016)

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Particles Stratify by Size in Thin Films

Published 18 March 2016

Small particles suspended in a liquid separate out by size as the liquid evaporates, an effect that could lead to techniques for making layered structures.

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Authors & Affiliations

Andrea Fortini1,2,*, Ignacio Martín-Fabiani1, Jennifer Lesage De La Haye3, Pierre-Yves Dugas3, Muriel Lansalot3, Franck D’Agosto3, Elodie Bourgeat-Lami3, Joseph L. Keddie1, and Richard P. Sear1,†

  • 1Department of Physics, University of Surrey, Guildford GU2 7XH, United Kingdom
  • 2Theoretische Physik II, Physikalisches Institut, Universität Bayreuth, Universitätsstraße 30, D-95447 Bayreuth, Germany
  • 3Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS, UMR 5265, C2P2 (Chemistry, Catalysis, Polymers & Processes), Team LCPP, Bat. 308F, 43 Bd. du 11 Novembre 1918, 69616 Villeurbanne, France

  • *andrea.fortini@me.com
  • r.sear@surrey.ac.uk

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Issue

Vol. 116, Iss. 11 — 18 March 2016

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