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Issue 18, 2011
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Soft elastic surfaces as a platform for particle self-assembly

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Abstract

We perform numerical simulations to study self-assembly of nanoparticles mediated by an elastic planar surface. We show how the nontrivial elastic response to deformations of these surfaces leads to anisotropic interactions between the particles resulting in aggregates having different geometrical features. The morphology of the patterns can be controlled by the mechanical properties of the surface and the strength of the particle adhesion. We use simple scaling arguments to understand the formation of the different structures, and we show how the adhering particles can cause the underlying elastic substrate to wrinkle if two of its opposite edges are clamped. Finally, we discuss the implications of our results and suggest how elastic surfaces could be used in nanofabrication.

Graphical abstract: Soft elastic surfaces as a platform for particle self-assembly

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Publication details

The article was received on 27 Apr 2011, accepted on 16 Jun 2011 and first published on 08 Aug 2011


Article type: Paper
DOI: 10.1039/C1SM05773A
Citation: Soft Matter, 2011,7, 8324-8329
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    Soft elastic surfaces as a platform for particle self-assembly

    A. Šarić and A. Cacciuto, Soft Matter, 2011, 7, 8324
    DOI: 10.1039/C1SM05773A

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