Equilibrium and Nonequilibrium States in Microfluidic Double Emulsions

N. Pannacci, Henrik Bruus, D. Bartolo, I. Etchart, T. Lockhart, Y. Hennequin, H. Willaime, P. Tabeling

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    Abstract

    We describe experimental and theoretical studies dedicated to establishing the physics of formation of double droplets in microfluidic systems. We show that the morphologies (complete engulfing, partial engulfing, and nonengulfing) obtained at late times minimize the interfacial energy of the system. We explain that nonequilibrium morphologies generated in the system can have long lifetimes. Remarkably, the physics of formation of the double droplets with microfluidics allows the synthesis of particles with new morphologies.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume101
    Issue number16
    Pages (from-to)164502
    ISSN0031-9007
    DOIs
    Publication statusPublished - 2008

    Bibliographical note

    Copyright 2008 American Physical Society

    Keywords

    • DROPS
    • SURFACE
    • MONODISPERSE DOUBLE EMULSIONS
    • DEVICES
    • PLASMA

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