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Self-assembly of isotropic colloids into colloidal strings, Bernal spiral-like, and tubular clusters

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Abstract

We report the (spontaneous) formation of colloidal strings, Bernal spiral-like, and tubular clusters comprising spherical, isotropically functionalized colloidal particles in an aqueous environment. The formation of colloidal strings and Bernal spiral-like clusters is guided by an interplay between short-ranged hydrophobic attraction and relatively longer-ranged electrostatic repulsion acting between the colloids. When a dispersion of these colloids is densified via centrifugation, well-defined tubular aggregates were observed.

Graphical abstract: Self-assembly of isotropic colloids into colloidal strings, Bernal spiral-like, and tubular clusters

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Article information


Submitted
05 Feb 2020
Accepted
28 Apr 2020
First published
30 Apr 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Self-assembly of isotropic colloids into colloidal strings, Bernal spiral-like, and tubular clusters

Y. Guo, B. G. P. van Ravensteijn and W. K. Kegel, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00948B

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