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Assembling Ellipsoidal Particles at Fluid Interfaces using Switchable Dipolar Capillary Interactions.

Davies, GB; Krüger, T; Coveney, PV; Harting, J; Bresme, F; (2014) Assembling Ellipsoidal Particles at Fluid Interfaces using Switchable Dipolar Capillary Interactions. Adv Mater , 26 (39) pp. 6715-6719. 10.1002/adma.201402419. Green open access

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Abstract

We demonstrate how to dynamically tune the assembly of anisotropic colloidal particles adsorbed at fluid-fluid interfaces using dipolar capillary interactions. We exploit a previously discovered first-order phase transition and show how to spontaneously turn off these dipolar capillary interactions by exceeding a critical field strength, providing unprecedented control of the bottom-up fabrication of soft materials.

Type: Article
Title: Assembling Ellipsoidal Particles at Fluid Interfaces using Switchable Dipolar Capillary Interactions.
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/adma.201402419
Publisher version: http://dx.doi/10.1002/adma.201402419
Additional information: © 2014 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: capillary interactions, colloidal particles, emulsions, fluid-fluid interfaces, self assembly
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/1451180
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