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

Yong Guo (Corresponding author), Bas G.P. van Ravensteijn, Willem K. Kegel

Research output: Contribution to journalArticleAcademicpeer-review

11 Citations (Scopus)

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 densifiedviacentrifugation, well-defined tubular aggregates were observed.

Original languageEnglish
Pages (from-to)6309-6312
Number of pages4
JournalChemical Communications, ChemComm
Volume56
Issue number46
DOIs
Publication statusPublished - 11 Jun 2020

Funding

Y. Guo is supported by Chinese Scholarship council (File No. 201306200056). Kanvaly Lacina, Hans Meeldijk and Chris Schneijdenberg, Joeri Opdam are thanked for SEM analysis, assisting with freeze-drying, and for drawing the schematic representation of the colloidal tubes, respectively.

FundersFunder number
China Scholarship Council201306200056

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