Three-dimensional lock and key colloids

Yu Wang, Yufeng Wang, Xiaolong Zheng, Gi Ra Yi, Stefano Sacanna, David J. Pine, Marcus Weck

Research output: Contribution to journalArticle

Abstract

Colloids with well-defined multicavities are synthesized through the hydrolytic removal of silica cluster templates from organo-silica hybrid patchy particles. The geometry of the cavities stems from the originally assembled cluster templates, displaying well-defined three-dimensional symmetries, ranging from spherical, linear, triangular, tetrahedral, trigonal dipyramidal, octahedral, to pentagonal dipyramidal. The concave surface of the cavities is smooth, and the cavity shallowness and size can be varied. These particles with multicavities can act as "lock" particles with multiple "key holes". Up to n "key" particles can self-assemble into the lock particles via depletion interaction, resulting in multivalent, site-specific, reversible, and flexible bonding.

Original languageEnglish (US)
Pages (from-to)6866-6869
Number of pages4
JournalJournal of the American Chemical Society
Volume136
Issue number19
DOIs
StatePublished - May 14 2014

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Colloids
Silicon Dioxide
Silica
Geometry

ASJC Scopus subject areas

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

Cite this

Three-dimensional lock and key colloids. / Wang, Yu; Wang, Yufeng; Zheng, Xiaolong; Yi, Gi Ra; Sacanna, Stefano; Pine, David J.; Weck, Marcus.

In: Journal of the American Chemical Society, Vol. 136, No. 19, 14.05.2014, p. 6866-6869.

Research output: Contribution to journalArticle

Wang, Yu ; Wang, Yufeng ; Zheng, Xiaolong ; Yi, Gi Ra ; Sacanna, Stefano ; Pine, David J. ; Weck, Marcus. / Three-dimensional lock and key colloids. In: Journal of the American Chemical Society. 2014 ; Vol. 136, No. 19. pp. 6866-6869.
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