Nanoscale Faceting and Ligand Shell Structure Dominate the Self‐Assembly of Nonpolar Nanoparticles into Superlattices
Abstract: Self‐assembly of nanoscale structures at liquid–solid interfaces occurs in a broad range of industrial processes and is found in various phenomena in nature. Conventional theory assumes spherical particles and homogeneous surfaces, but that model is oversimplified, and nanoscale in situ observations are needed for a more complete understanding. Liquid‐phase scanning transmission electron microscopy (LP‐STEM) is used to examine the interactions that direct the self‐assembly of superlattices formed by gold nanoparticles (AuNPs) in nonpolar liquids. Varying the molecular coating of the substrate modulates short‐range attraction and leads to switching between a range of different geometric structures, including hexagonal close‐packed (hcp), simple hexagonal (sh), dodecahedral quasi‐crystal (dqc), and body‐centered cubic (bcc) lattices, as well as random distributions. Langevin dynamics simulations explain the experimental results in terms of the interplay between nanoparticle faceting, ligand shell structure, and substrate–NP interactions.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Nanoscale Faceting and Ligand Shell Structure Dominate the Self‐Assembly of Nonpolar Nanoparticles into Superlattices ; day:17 ; month:04 ; year:2022 ; extent:10
Advanced materials ; (17.04.2022) (gesamt 10)
- Creator
- DOI
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10.1002/adma.202109093
- URN
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urn:nbn:de:101:1-2022041815050064856127
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:32 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Bo, Arixin
- Liu, Yawei
- Kuttich, Björn
- Kraus, Tobias
- Widmer‐Cooper, Asaph
- Jonge, Niels de
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