Surface Patterning of Uniform 2D Platelet Block Comicelles via Coronal Chain Collapse

Charles Jarrett-Wilkins, Sam Pearce, Liam R Macfarlane, Sean A Davis, Charl F J Faul*, Ian Manners*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)

Abstract

The formation of colloids with anisotropically patterned surfaces is of growing interest for the creation of hierarchical structures and the templating of nanoparticles. We have recently shown that well-defined two-dimensional platelets with low areal dispersities can be formed by the seeded growth of a blend of homopolymers and block copolymers. Herein we form rectangular platelets containing two block copolymers with different coronal chemistry. On addition of a solvent that is only able to solvate the corona of one block, we were able to form colloidally stable micelles with patterned surfaces via coronal collapse. Scanning transmission electron microscopy-energy-dispersive X-ray spectroscopy and atomic force microscopy were employed to provide information on the structure and size of the patches decorating the micelle surfaces.
Original languageEnglish
Pages (from-to)1514–1520
Number of pages7
JournalACS Macro Letters
Early online date13 Oct 2020
DOIs
Publication statusE-pub ahead of print - 13 Oct 2020

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