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Issue 44, 2019
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Assembled superlattice with dynamic chirality in a mixture of biased-active and passive particles

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Abstract

We introduce a general model of biased-active particles (BAPs) with anisotropic interactions, where the direction of the active force has a nonzero biased angle from the principal orientation of the anisotropic interaction between particles, and investigate the self-assembly behaviors of a mixture of BAPs with passive particles by using Langevin dynamics simulations. Remarkably, a highly ordered superlattice consisting of small hexagonal clusters with dynamic chirality emerges within a proper range of active force, given that the biased angle is not too small. In addition, there exists an optimal level of particle activity, being dependent on the biased-angle, which is the most favorable for both the long-range order and global dynamic chirality of the system. Our results demonstrate that fascinating collective behaviors can be explored through a proper design of new active particle models.

Graphical abstract: Assembled superlattice with dynamic chirality in a mixture of biased-active and passive particles

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Publication details

The article was received on 19 Mar 2019, accepted on 04 Oct 2019 and first published on 07 Oct 2019


Article type: Paper
DOI: 10.1039/C9SM00551J
Soft Matter, 2019,15, 9104-9110

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    Assembled superlattice with dynamic chirality in a mixture of biased-active and passive particles

    Y. Gou, H. Jiang and Z. Hou, Soft Matter, 2019, 15, 9104
    DOI: 10.1039/C9SM00551J

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