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Colloids with valence and specific directional bonding

Author

Listed:
  • Yufeng Wang

    (New York University)

  • Yu Wang

    (New York University)

  • Dana R. Breed

    (The Dow Chemical Company, 2301 North Brazosport Boulevard)

  • Vinothan N. Manoharan

    (School of Engineering and Applied Sciences, Harvard University
    Harvard University)

  • Lang Feng

    (New York University)

  • Andrew D. Hollingsworth

    (New York University)

  • Marcus Weck

    (New York University)

  • David J. Pine

    (New York University)

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, sp3d, sp3d2 and sp3d3. 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.

Suggested Citation

  • Yufeng Wang & Yu Wang & Dana R. Breed & Vinothan N. Manoharan & Lang Feng & Andrew D. Hollingsworth & Marcus Weck & David J. Pine, 2012. "Colloids with valence and specific directional bonding," Nature, Nature, vol. 491(7422), pages 51-55, November.
    • Handle: RePEc:nat:nature:v:491:y:2012:i:7422:d:10.1038_nature11564
    DOI: 10.1038/nature11564
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    Cited by:

    1. Huerta, Adrián & Toledo-Marín, J. Quetzalcóatl & Naumis, Gerardo G., 2020. "How the overlap of excluded volume determines the configurational energy landscape and “thermodynamics” in the “one to five hard disks in a box” system," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 545(C).

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