Simple and double emulsions via coaxial jet electrosprays

We report for the first time the generation of electrified coaxial jets of micrometric diameter in liquid media. Scaling laws to predict the inner and outer diameter of the coaxial jet are given. We show some experiments illustrating the formation process of the coaxial jet, and demonstrate how this...

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Bibliographic Details
Published in:Physical review letters 2007-01, Vol.98 (1), p.014502-014502, Article 014502
Main Authors: Marín, Alvaro G, Loscertales, Ignacio G, Márquez, M, Barrero, A
Format: Article
Language:English
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Summary:We report for the first time the generation of electrified coaxial jets of micrometric diameter in liquid media. Scaling laws to predict the inner and outer diameter of the coaxial jet are given. We show some experiments illustrating the formation process of the coaxial jet, and demonstrate how this process can be used to yield either o/w (oil in water) or o/w/o (oil/water/oil) emulsions of micrometric size. Some interesting analogies with other hydrodynamic focusing processes are also pointed out.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.98.014502