Shape Induced Symmetry in Self-Assembled Mesocrystals of Iron Oxide Nanocubes
Posted on 2015-12-16 - 18:47
Grazing incidence small-angle scattering and electron microscopy have been used to show for the first time that nonspherical nanoparticles can assemble into highly ordered body-centered tetragonal mesocrystals. Energy models accounting for the directionality and magnitude of the van der Waals and dipolar interactions as a function of the degree of truncation of the nanocubes illustrated the importance of the directional dipolar forces for the formation of the initial nanocube clusters and the dominance of the van der Waals multibody interactions in the dense packed arrays.
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Disch, Sabrina; Wetterskog, Erik; Hermann, Raphaël P.; Salazar-Alvarez, German; Busch, Peter; Brückel, Thomas; et al. (2015). Shape Induced Symmetry in Self-Assembled Mesocrystals of Iron Oxide Nanocubes. ACS Publications. Collection. https://doi.org/10.1021/nl200126v
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AUTHORS (8)
SD
Sabrina Disch
EW
Erik Wetterskog
RH
Raphaël P. Hermann
GS
German Salazar-Alvarez
PB
Peter Busch
TB
Thomas Brückel
LB
Lennart Bergström
SK
Saeed Kamali
KEYWORDS
mesocrystaldirectionalityarrayvan der Waalselectron microscopynanocube clustersNanocubesGrazingdipolar forcesdominancefunctionimportanceincidenceMesocrystalenergy models accountingOxideformationnonspherical nanoparticlestruncationshape Induced Symmetryvan der Waals multibody interactionsdipolar interactionsmagnitude