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Quantitative 3D real-space analysis of Laves phase supraparticles

Author

Listed:
  • Da Wang

    (Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University
    Electron Microscopy for Materials Science (EMAT), University of Antwerp)

  • Ernest B. Wee

    (Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University
    Department of Imaging Physics, Delft University of Technology)

  • Daniele Zanaga

    (Electron Microscopy for Materials Science (EMAT), University of Antwerp
    Vlaamse Instelling voor Technologisch Onderzoek (VITO))

  • Thomas Altantzis

    (Electron Microscopy for Materials Science (EMAT), University of Antwerp)

  • Yaoting Wu

    (Department of Chemistry, University of Pennsylvania)

  • Tonnishtha Dasgupta

    (Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University)

  • Marjolein Dijkstra

    (Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University)

  • Christopher B. Murray

    (Department of Chemistry, University of Pennsylvania
    Department of Materials Science and Engineering, University of Pennsylvania)

  • Sara Bals

    (Electron Microscopy for Materials Science (EMAT), University of Antwerp
    NANOlab Center of Excellence, University of Antwerp)

  • Alfons Blaaderen

    (Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University)

Abstract

Assembling binary mixtures of nanoparticles into crystals, gives rise to collective properties depending on the crystal structure and the individual properties of both species. However, quantitative 3D real-space analysis of binary colloidal crystals with a thickness of more than 10 layers of particles has rarely been performed. Here we demonstrate that an excess of one species in the binary nanoparticle mixture suppresses the formation of icosahedral order in the self-assembly in droplets, allowing the study of bulk-like binary crystal structures with a spherical morphology also called supraparticles. As example of the approach, we show single-particle level analysis of over 50 layers of Laves phase binary crystals of hard-sphere-like nanoparticles using electron tomography. We observe a crystalline lattice composed of a random mixture of the Laves phases. The number ratio of the binary species in the crystal lattice matches that of a perfect Laves crystal. Our methodology can be applied to study the structure of a broad range of binary crystals, giving insights into the structure formation mechanisms and structure-property relations of nanomaterials.

Suggested Citation

  • Da Wang & Ernest B. Wee & Daniele Zanaga & Thomas Altantzis & Yaoting Wu & Tonnishtha Dasgupta & Marjolein Dijkstra & Christopher B. Murray & Sara Bals & Alfons Blaaderen, 2021. "Quantitative 3D real-space analysis of Laves phase supraparticles," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24227-0
    DOI: 10.1038/s41467-021-24227-0
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    Cited by:

    1. Da Wang & Michiel Hermes & Stan Najmr & Nikos Tasios & Albert Grau-Carbonell & Yang Liu & Sara Bals & Marjolein Dijkstra & Christopher B. Murray & Alfons Blaaderen, 2022. "Structural diversity in three-dimensional self-assembly of nanoplatelets by spherical confinement," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    2. Daniel Arenas Esteban & Da Wang & Ajinkya Kadu & Noa Olluyn & Ana Sánchez-Iglesias & Alejandro Gomez-Perez & Jesús González-Casablanca & Stavros Nicolopoulos & Luis M. Liz-Marzán & Sara Bals, 2024. "Quantitative 3D structural analysis of small colloidal assemblies under native conditions by liquid-cell fast electron tomography," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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