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Issue 18, 2019
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Hierarchical self-assembly of hard cube derivatives

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Hierarchical, self-assembled structures are ordered on multiple scales, and formed by objects comprised of even smaller elements. Such structures are widely reported for nanoparticles, macromolecules, and peptides, and even in entropy-driven hard particle assembly hierarchical colloidal crystals have been reported. Here we consider the hierarchical self-assembly of a cubic colloidal crystal from congruent hard cube derivatives, and investigate how various ways of slicing and dicing a cube can affect the ability of the pieces to entropically re-assemble the initial colloidal crystal formed from perfect cubes. We present design rules that support heuristics reported for different systems, and present evidence for a previously unreported cubatic phase from 2 : 1 rectangular prisms.

Graphical abstract: Hierarchical self-assembly of hard cube derivatives

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The article was received on 27 Dec 2018, accepted on 25 Mar 2019 and first published on 12 Apr 2019

Article type: Paper
DOI: 10.1039/C8SM02619J
Soft Matter, 2019,15, 3733-3739

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    Hierarchical self-assembly of hard cube derivatives

    E. S. Harper, B. Waters and S. C. Glotzer, Soft Matter, 2019, 15, 3733
    DOI: 10.1039/C8SM02619J

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