Exploiting non-equilibrium phase separation for self-assembly

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Exploiting non-equilibrium phase separation for self-assembly

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Title: Exploiting non-equilibrium phase separation for self-assembly
Author: Grünwald, Michael; Tricard, Simon; Whitesides, George McClelland; Geissler, Phillip L.

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Citation: Grünwald, Michael, Simon Tricard, George M. Whitesides, and Phillip L. Geissler. 2016. Exploiting Non-Equilibrium Phase Separation for Self-Assembly. Soft Matter 12, no. 5: 1517–1524. doi:10.1039/c5sm01922b.
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Abstract: Demixing can occur in systems of two or more particle species that experience different driving forces, e.g., mixtures of self-propelled active particles or of oppositely charged colloids subject to an electric field. Here we show with macroscopic experiments and computer simulations that the forces underlying such non-equilibrium segregation can be used to control the self-assembly of particles that lack attractive interactions. We demonstrate that, depending on the direction, amplitude and frequency of a periodic external force acting on one article species, the structures formed by a second, undriven species can range from compact clusters to elongated, string-like patterns.
Published Version: 10.1039/c5sm01922b
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:29991616
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