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Issue 10, 2019
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Multimodal breakup of a double emulsion droplet under an electric field

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Abstract

We investigate the hydrodynamic deformation and breakup of double emulsion droplets under a uniform DC electric field. Based on comprehensive experiments, we observe four different breakup modes for the double emulsion droplet by varying the viscosity of shell liquid, and conductivity, permittivity or volume fraction of the core liquid. The breakup modes are classified as a unidirectional breakup mode, two different bidirectional breakup modes, and a tip-streaming breakup mode. We performed scaling analysis and numerical simulation to explain the experimental observations. We believe that this study could provide insight for the comprehension of double emulsion droplet functionalities in various applications, including drug delivery, materials science, biological and chemical engineering, and lab-on-a-chip applications.

Graphical abstract: Multimodal breakup of a double emulsion droplet under an electric field

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Publication details

The article was received on 31 Oct 2018, accepted on 05 Feb 2019 and first published on 06 Feb 2019


Article type: Paper
DOI: 10.1039/C8SM02230E
Citation: Soft Matter, 2019,15, 2292-2300

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    Multimodal breakup of a double emulsion droplet under an electric field

    M. S. Abbasi, R. Song, H. Kim and J. Lee, Soft Matter, 2019, 15, 2292
    DOI: 10.1039/C8SM02230E

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