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Activity-enhanced self-assembly of a colloidal kagome lattice

Mallory, Stewart A. and Cacciuto, Angelo (2019) Activity-enhanced self-assembly of a colloidal kagome lattice. Journal of the American Chemical Society, 141 (6). pp. 2500-2507. ISSN 0002-7863. doi:10.1021/jacs.8b12165.

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Here, we describe a method for the enhanced self-assembly of triblock Janus colloids targeted to form a kagome lattice. Using computer simulations, we demonstrate that the formation of this elusive structure can be significantly improved by self-propelling or activating the colloids along the axis connecting their hydrophobic hemispheres. The process by which metastable aggregates are destabilized and transformed into the favored kagome lattice is quite general, and we argue this active approach provides a systematic pathway to improving the self-assembly of a large number of colloidal structures.

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Mallory, Stewart A.0000-0003-1364-7252
Additional Information:© 2019 American Chemical Society. Received: November 19, 2018; Published: January 22, 2019. A.C. acknowledges financial supported from the National Science Foundation under Grant No. DMR-1703873. S.A.M. acknowledges financial support from the NSF Alliance for Graduate Education and the Professoriate under Award No. 1647273. We gratefully acknowledge the support of the NVIDIA Corporation for the donation of the Titan V GPU used to carry out this work. We thank Austin Dulaney and Ahmad Omar for insightful discussions and helpful comments. The authors declare no competing financial interest.
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Issue or Number:6
Record Number:CaltechAUTHORS:20190123-094815012
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Official Citation:Activity-Enhanced Self-Assembly of a Colloidal Kagome Lattice. Stewart A. Mallory and Angelo Cacciuto. Journal of the American Chemical Society 2019 141 (6), 2500-2507. DOI: 10.1021/jacs.8b12165
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92419
Deposited By: Tony Diaz
Deposited On:23 Jan 2019 18:51
Last Modified:16 Nov 2021 03:50

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