Triblock colloids for directed self-assembly

Qian Chen, Erich Diesel, Jonathan K. Whitmer, Sung Chul Bae, Erik Luijten, Steve Granick*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

Methods for functionalizing micrometer-sized colloidal spheres with three or more zones of chemical functionality (ABA or ABC) are described. To produce ABA triblock colloids, we functionalized the north pole, south pole, and equator to produce what we call X, Y, and K functionality according to the number of allowed nearest neighbors and their spatial arrangements. These synthesis methods allowed targeting of various lattice structures whose bonding between neighboring particles in liquid suspension was visualized in situ by optical microscopy.

Original languageEnglish (US)
Pages (from-to)7725-7727
Number of pages3
JournalJournal of the American Chemical Society
Volume133
Issue number20
DOIs
StatePublished - May 25 2011

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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