Issue 18, 2015

Hierarchical self-assembly of colloidal magnetic particles into reconfigurable spherical structures

Abstract

Colloidal self-assembly has enormous potential as a bottom-up means of structure fabrication. Here we demonstrate hierarchical self-assembly of rationally designed charge-stabilised colloidal magnetic particles into ground state structures that are topologically equivalent to a snub cube and a snub dodecahedron, the only two chiral Archimedean solids, for size-selected clusters. These spherical structures open up in response to an external magnetic field and demonstrate controllable porosity. Such features are critical to their applications as functional materials.

Graphical abstract: Hierarchical self-assembly of colloidal magnetic particles into reconfigurable spherical structures

Associated articles

Article information

Article type
Communication
Submitted
11 Sep 2014
Accepted
01 Apr 2015
First published
08 Apr 2015
This article is Open Access
Creative Commons BY license

Nanoscale, 2015,7, 8343-8350

Hierarchical self-assembly of colloidal magnetic particles into reconfigurable spherical structures

D. Morphew and D. Chakrabarti, Nanoscale, 2015, 7, 8343 DOI: 10.1039/C4NR05294C

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