Session T47: Focus Session: Heterogeneous Colloids I

2:30 PM–5:30 PM, Wednesday, February 29, 2012
Room: 160C

Sponsoring Unit: DPOLY
Chair: Michael Engel, University of Michigan

Abstract ID: BAPS.2012.MAR.T47.11

Abstract: T47.00011 : Assembling Colloidal Clusters from Spherical Codes

5:18 PM–5:30 PM

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  Carolyn Phillips
    (University of Michigan)

  Eric Jankowski
    (University of Michigan)

  Michelle Marval
    (University of Michigan)

  Sharon Glotzer
    (University of Michigan)

Anisotropic building blocks assembled from colloidal particles are attractive building blocks for self-assembled materials because their complex interactions can be exploited to drive self-assembly. In this work we consider the thermodynamically driven self-assembly of terminal clusters of particles. We predict that clusters related to spherical codes, a mathematical sequence of points, can be synthesized via self-assembly. These anisotropic clusters, which derive from packing solutions of spheres around a sphere, can be tuned to different anisotropies via the ratio of sphere diameters and temperature. Structural and dynamical analysis of these tiny systems reveal rich and sometimes surprising properties.

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