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Monodisperse self-assembly in a model with protein-like interactions
We study the self-assembly behavior of patchy particles with “proteinlike” interactions that can be considered as a minimal model for the assembly of viral capsids and other shell-like pro...

Self-assembly of monodisperse clusters: Dependence on target geometry

J. Chem. Phys. 131, 175101 (2009); doi:10.1063/1.3243580

Published 2 November 2009

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Alex W. Wilber,1 Jonathan P. K. Doye,1 and Ard A. Louis2
1Department of Chemistry, Physical and Theoretical Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QZ, United Kingdom
2Rudolf Peierls Centre for Theoretical Physics, University of Oxford, 1 Keble Road, Oxford OX1 3NP, United Kingdom

We apply a simple model system of patchy particles to study monodisperse self-assembly using the Platonic solids as target structures. We find marked differences between the assembly behaviors of the different systems. Tetrahedra, octahedral, and icosahedra assemble easily, while cubes are more challenging and dodecahedra do not assemble. We relate these differences to the kinetics and thermodynamics of assembly, with the formation of large disordered aggregates a particular important competitor to correct assembly. In particular, the free energy landscapes of those targets that are easy to assemble are funnel-like, whereas for the dodecahedral system the landscape is relatively flat with little driving force to facilitate escape from disordered aggregates. ©2009 American Institute of Physics
History: Received 31 July 2009; accepted 15 September 2009; published 2 November 2009
Permalink: http://link.aip.org/link/?JCPSA6/131/175101/1
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EDITORIALLY RELATED

  1. Monodisperse self-assembly in a model with protein-like interactions
    Alex W. Wilber et al.
    J. Chem. Phys. 131, 175102 (2009)

KEYWORDS and PACS

Keywords
PACS
  • 81.16.Dn
    Self-assembly in nanofabrication and processing
  • 61.46.Bc
    Structure of clusters (nanoscale materials)
  • YEAR: 2009

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

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