NDLI: Supracolloidal reconfigurable polyhedra via hierarchical self-assembly.

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Supracolloidal reconfigurable polyhedra via hierarchical self-assembly.

Content Provider	Semantic Scholar
Author	Morphew, Daniel Chakrabarti, Dwaipayan
Copyright Year	2016
Abstract	Enclosed three-dimensional structures with hollow interiors have been attractive targets for the self-assembly of building blocks across different length scales. Colloidal self-assembly, in particular, has enormous potential as a bottom-up means of structure fabrication exploiting a priori designed building blocks because of the scope for tuning interparticle interactions. Here we use computer simulation study to demonstrate the self-assembly of designer charge-stabilised colloidal magnetic particles into a series of supracolloidal polyhedra, each displaying a remarkable two-level structural hierarchy. The parameter space for design supports thermodynamically stable polyhedra of very different morphologies, namely tubular and hollow spheroidal structures, involving the formation of subunits of four-fold and three-fold rotational symmetry, respectively. The spheroidal polyhedra are chiral, despite having a high degree of rotational symmetry. The dominant pathways for self-assembly into these polyhedra reveal two distinct mechanisms - a growth mechanism via sequential attachment of the subunits for a tubular structure and a staged or hierarchical pathway for a spheroidal polyhedron. These supracolloidal architectures open up in response to an external magnetic field. Our results suggest design rules for synthetic reconfigurable containers at the microscale exploiting a hierarchical self-assembly scheme.
Starting Page	9633
Ending Page	9640
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1039/C6SM01615D
PubMed reference number	27858048
Journal	Medline
Volume Number	12
Issue Number	48
Alternate Webpage(s)	https://research.birmingham.ac.uk/portal/files/39298946/c6sm01615d.pdf
Alternate Webpage(s)	http://www.rsc.org/suppdata/c6/sm/c6sm01615d/c6sm01615d1.pdf
Alternate Webpage(s)	https://pubs.rsc.org/en/content/articlepdf/2016/sm/c6sm01615d
Alternate Webpage(s)	https://doi.org/10.1039/C6SM01615D
Journal	Soft matter
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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