Issue 8, 2012

Facetted patchy particles through entropy-driven patterning of mixed ligand SAMS

Abstract

We present a microscopic theory that describes the ordering of two distinct ligands on the surface of a facetted nanoparticle. The theory predicts that when one type of ligand is significantly bulkier than all others, the larger ligands preferentially align themselves along the edges and vertices of the nanoparticle. Monte Carlo simulations confirm these predictions. We show that the intrinsic conformational entropy of the ligands stabilizes this novel edge-aligned phase.

Graphical abstract: Facetted patchy particles through entropy-driven patterning of mixed ligand SAMS

Supplementary files

Article information

Article type
Paper
Submitted
14 Nov 2011
Accepted
13 Feb 2012
First published
24 Feb 2012

Nanoscale, 2012,4, 2640-2650

Facetted patchy particles through entropy-driven patterning of mixed ligand SAMS

A. Santos, J. A. Millan and S. C. Glotzer, Nanoscale, 2012, 4, 2640 DOI: 10.1039/C2NR11737A

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