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Symmetry-driven spontaneous self-assembly of nanoscale ceria building blocks to fractal superoctahedra

Kuchibhatla, S.V.N.T., Karakoti, A.S., Sayle, D.C., Heinrich, H., Seal, S. (2009) Symmetry-driven spontaneous self-assembly of nanoscale ceria building blocks to fractal superoctahedra. Crystal Growth and Design, 9 (3). pp. 1614-1620. ISSN 15287483 (ISSN). (doi:10.1021/cg801358z) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:46788)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
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Abstract

A combination of long-term aging studies and molecular dynamics (MD) simulations has been successfully used to explain the time-dependent hierarchical assembly of ceria nanoparticles (CNPs). When the CNPs were aged in as-synthesized condition at room temperature in water, it was observed that the individual 3-5 nm CNPs result in octahedral superstructures through a fractal assembly. This hierarchical fractal self-assembly was observed despite the absence of any surfactant, at room temperature, and under atmospheric pressure. High resolution transmission electron microscopy (HRTEM) and fast Fourier transform (FFT) analysis have been used to explore the assembly of the individual nanoparticles into fractal superoctahedra. Both experimental work and theoretical analysis showed that the initial octahedral and truncated octahedral seeds symmetrically assemble and result in the superoctahedra with intermediate transformation steps. © 2009 American Chemical Society.

Item Type: Article
DOI/Identification number: 10.1021/cg801358z
Additional information: Unmapped bibliographic data: LA - English [Field not mapped to EPrints] J2 - Cryst. Growth Des. [Field not mapped to EPrints] AD - EMSL, Pacific Northwest National Laboratory, Richland, WA 99354, United States [Field not mapped to EPrints] AD - Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, FL 32816, United States [Field not mapped to EPrints] AD - Department of Applied Science Security and Resilience, Cranfield Defence and Security, Defence Academy of the United Kingdom, Swindon, SN6 8LA, United Kingdom [Field not mapped to EPrints] AD - Nanoscience and Technology Center, University of Central Florida, Orlando, FL 32816, United States [Field not mapped to EPrints] DB - Scopus [Field not mapped to EPrints]
Subjects: Q Science
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: Dean Sayle
Date Deposited: 06 Mar 2015 16:37 UTC
Last Modified: 16 Nov 2021 10:18 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/46788 (The current URI for this page, for reference purposes)

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