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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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Publication details

The article was received on 15 Jul 2014, accepted on 27 Aug 2014 and first published on 27 Aug 2014


Article type: Paper
DOI: 10.1039/C4SM01559B
Author version available: Download Author version (PDF)
Citation: Soft Matter, 2014,10, 8464-8474
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    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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