Issue 6, 2011
From the journal:

Soft Matter

Lane formation in driven mixtures of oppositely charged colloids†

Teun Vissers,*a   Adam Wysocki,‡b   Martin Rex,b   Hartmut Löwen,b   C. Patrick Royall,§a   Arnout Imhofa  and  Alfons van Blaaderena  

* Corresponding authors

a Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 5, Utrecht, The Netherlands
E-mail: t.vissers@uu.nl, a.vanblaaderen@uu.nl

b Institut für Theoretische Physik II, Heinrich-Heine-Universität Düsseldorf, Universitätsstrasse 1, Düsseldorf, Germany

Abstract

We present quantitative experimental data on colloidal laning at the single-particle level. Our results demonstrate a continuous increase in the fraction of particles in a lane for the case where oppositely charged particles are driven by an electric field. This behavior is accurately captured by Brownian dynamics simulations. By studying the fluctuations parallel and perpendicular to the field we identify the mechanism that underlies the formation of lanes.

Graphical abstract: Lane formation in driven mixtures of oppositely charged colloids

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Article information

DOI
https://doi.org/10.1039/C0SM01343A
Article type
Communication
Submitted
18 Nov 2010
Accepted
22 Dec 2010
First published
26 Jan 2011

Soft Matter, 2011,7, 2352-2356

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Lane formation in driven mixtures of oppositely charged colloids

T. Vissers, A. Wysocki, M. Rex, H. Löwen, C. P. Royall, A. Imhof and A. van Blaaderen, Soft Matter, 2011, 7, 2352 DOI: 10.1039/C0SM01343A

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