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Issue 42, 2014
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Phase diagram of inverse patchy colloids assembling into an equilibrium laminar phase

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Abstract

We numerically study the phase behavior of colloidal particles with two charged patches at the poles and an oppositely charged equatorial belt. Interactions between particles are described using the inverse patchy colloid model, where the term inverse emphasizes the difference with respect to conventional patchy particles: as a consequence of the heterogeneous charge distribution, the patches on the particle surface repel each other, whereas the patches and non-patch regions mutually attract. For the model parameters considered in this work, the system exhibits an unusual equilibrium phase diagram characterized by a broad region where a novel structure composed of parallel colloidal monolayers is stable.

Graphical abstract: Phase diagram of inverse patchy colloids assembling into an equilibrium laminar phase

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Article information


Submitted
15 Jul 2014
Accepted
27 Aug 2014
First published
27 Aug 2014

Soft Matter, 2014,10, 8464-8474
Article type
Paper
Author version available

Phase diagram of inverse patchy colloids assembling into an equilibrium laminar phase

E. G. Noya, I. Kolovos, G. Doppelbauer, G. Kahl and E. Bianchi, Soft Matter, 2014, 10, 8464
DOI: 10.1039/C4SM01559B

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