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Issue 31, 2018
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Nanoparticle-stabilised emulsions: droplet armouring vs. droplet bridging

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Abstract

We speculate that the ability of small nanoparticles to stabilise emulsions via droplet bridging is controlled by the balance between an energy increase, due to the interaction between two oil–water interfaces in close proximity through surface forces, and an energy decrease due to the adsorption of a bridging particle on two oil–water interfaces. For nanoparticles of diameter greater than about 10 nm, tuning this interaction may render bridging possible, whereas nanoparticles smaller than 10 nm may stabilise emulsions only via the formation of dense layers of adsorbed particles on droplets. Both predictions are experimentally testable.

Graphical abstract: Nanoparticle-stabilised emulsions: droplet armouring vs. droplet bridging

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Publication details

The article was received on 08 May 2018, accepted on 14 Jul 2018 and first published on 17 Jul 2018


Article type: Opinion
DOI: 10.1039/C8SM00938D
Citation: Soft Matter, 2018,14, 6404-6408
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    Nanoparticle-stabilised emulsions: droplet armouring vs. droplet bridging

    N. Bizmark and M. A. Ioannidis, Soft Matter, 2018, 14, 6404
    DOI: 10.1039/C8SM00938D

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