Water-in-Water Emulsions Stabilized by Nanoplates

Ultrathin plate-like colloidal particles are effective candidates for Pickering stabilization of water-in-water emulsions, a stabilization that is complicated by the thickness and ultralow tension of the water–water interface. Plate-like particles have the advantage of blocking much of the interface...

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Bibliographic Details
Published in:ACS macro letters 2015-09, Vol.4 (9), p.965-968
Main Authors: Vis, Mark, Opdam, Joeri, van ’t Oor, Ingo S. J., Soligno, Giuseppe, van Roij, René, Tromp, R. Hans, Erné, Ben H.
Format: Article
Language:English
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Summary:Ultrathin plate-like colloidal particles are effective candidates for Pickering stabilization of water-in-water emulsions, a stabilization that is complicated by the thickness and ultralow tension of the water–water interface. Plate-like particles have the advantage of blocking much of the interface while simultaneously having a low mass. Additionally, the amount of blocked interface is practically independent of the equilibrium contact angle θ at which the water–water interface contacts the nanoplates. As a result, the adsorption of nanoplates is stronger than for spheres with the same maximal cross section, except if θ = 90°.
ISSN:2161-1653
2161-1653
DOI:10.1021/acsmacrolett.5b00480