Colloids with valence and specific directional bonding

Yu Wang, Yufeng Wang, Dana R. Breed, Vinothan N. Manoharan, Lang Feng, Andrew D. Hollingsworth, Marcus Weck, David J. Pine

Research output: Contribution to journalArticle

Abstract

The ability to design and assemble three-dimensional structures from colloidal particles is limited by the absence of specific directional bonds. As a result, complex or low-coordination structures, common in atomic and molecular systems, are rare in the colloidal domain. Here we demonstrate a general method for creating the colloidal analogues of atoms with valence: colloidal particles with chemically distinct surface patches that imitate hybridized atomic orbitals, including sp, sp2, sp3, sp3 d, sp3 d2 and sp3 d3. Functionalized with DNA with single-stranded sticky ends, patches on different particles can form highly directional bonds through programmable, specific and reversible DNA hybridization. These features allow the particles to self-assemble into 'colloidal molecules' with triangular, tetrahedral and other bonding symmetries, and should also give access to a rich variety of new microstructured colloidal materials.

Original languageEnglish (US)
Pages (from-to)51-55
Number of pages5
JournalNature
Volume491
Issue number7422
DOIs
StatePublished - Nov 1 2012

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Single-Stranded DNA
Colloids
DNA

ASJC Scopus subject areas

  • General

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Wang, Y., Wang, Y., Breed, D. R., Manoharan, V. N., Feng, L., Hollingsworth, A. D., ... Pine, D. J. (2012). Colloids with valence and specific directional bonding. Nature, 491(7422), 51-55. https://doi.org/10.1038/nature11564

Colloids with valence and specific directional bonding. / Wang, Yu; Wang, Yufeng; Breed, Dana R.; Manoharan, Vinothan N.; Feng, Lang; Hollingsworth, Andrew D.; Weck, Marcus; Pine, David J.

In: Nature, Vol. 491, No. 7422, 01.11.2012, p. 51-55.

Research output: Contribution to journalArticle

Wang, Y, Wang, Y, Breed, DR, Manoharan, VN, Feng, L, Hollingsworth, AD, Weck, M & Pine, DJ 2012, 'Colloids with valence and specific directional bonding', Nature, vol. 491, no. 7422, pp. 51-55. https://doi.org/10.1038/nature11564
Wang Y, Wang Y, Breed DR, Manoharan VN, Feng L, Hollingsworth AD et al. Colloids with valence and specific directional bonding. Nature. 2012 Nov 1;491(7422):51-55. https://doi.org/10.1038/nature11564
Wang, Yu ; Wang, Yufeng ; Breed, Dana R. ; Manoharan, Vinothan N. ; Feng, Lang ; Hollingsworth, Andrew D. ; Weck, Marcus ; Pine, David J. / Colloids with valence and specific directional bonding. In: Nature. 2012 ; Vol. 491, No. 7422. pp. 51-55.
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