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Issue 5, 2020
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Self-assembly of lobed particles into amorphous and crystalline porous structures

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Abstract

We report simulation studies on the self-assembly of hard-lobed particles (patchy particles where patches appear as lobes around a seed) of different shapes and show that various types of self-assembled morphologies can be achieved by tuning inter-lobe interactions. On self-assembly, the linear building blocks having two lobes around the seed formed rings, the trigonal planar building blocks formed cylindrical hollow tubes and two-dimensional sheets, and the square planar building blocks formed spherical clathrates. The tetrahedral, trigonal bipyramidal, and the octahedral-shaped particles formed compact porous crystalline structures which are constituted by either hexagonal close packed or face centered cubic lattices. The pore size distributions revealed that linear, trigonal planar, and square planar building blocks create highly porous self-assembled structures. Our results suggest that these self-assembled morphologies will potentially find applications in tissue engineering, host–guest chemistry, adsorption, and catalysis.

Graphical abstract: Self-assembly of lobed particles into amorphous and crystalline porous structures

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Article information


Submitted
16 Sep 2019
Accepted
02 Dec 2019
First published
02 Dec 2019

Soft Matter, 2020,16, 1142-1147
Article type
Communication
Author version available

Self-assembly of lobed particles into amorphous and crystalline porous structures

S. Paul and H. Vashisth, Soft Matter, 2020, 16, 1142
DOI: 10.1039/C9SM01878F

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