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Nanoengineering mechanically robust aerogels via control of foam morphology

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dc.contributor.authorKucheyev, S. O.
dc.contributor.authorBaumann, T. F.
dc.contributor.authorCox, C. A.
dc.contributor.authorWang, Y. M.
dc.contributor.authorSatcher, J. H.
dc.contributor.authorHamza, A. V.
dc.contributor.authorBradby, J. E.
dc.date.accessioned2015-11-04T05:02:51Z
dc.date.available2015-11-04T05:02:51Z
dc.date.issued2006-07-26
dc.date.updated2015-12-08T03:28:20Z
dc.description.abstractPotential of aerogels for technological applications is often limited by their poor mechanical properties. Here, we demonstrate that alumina aerogel monoliths with excellent mechanical properties can be made by controlling the crystallographic phase, shape, and size of nanoligaments. In particular, we show that thermal processing of aerogels with a morphology of interconnected nanoleaflets causes dehydration and associated curling of the nanoleaflets, resulting in a dramatic improvement of mechanical properties. This study shows an effective way to control mechanical properties of the nanoporous solids that can be synthesized with ligaments having a quasi-two-dimensional shape, such as platelets, ribbons, or leaflets.
dc.description.sponsorshipWork at the ANU was supported by the ARC.en_AU
dc.identifier.issn0003-6951en_AU
dc.identifier.urihttp://hdl.handle.net/1885/16334
dc.publisherAmerican Institute of Physics (AIP)
dc.rightshttp://www.sherpa.ac.uk/romeo/issn/0003-6951..."Publishers version/PDF may be used on author's personal website, institutional website or institutional repository" from SHERPA/RoMEO site (as at 3/11/15). Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters and may be found at https://doi.org/10.1063/1.2236222
dc.sourceApplied Physics Letters
dc.subjectKeywords: Nanoligaments; Nanoporous solids; Platelets; Quasi-two-dimensional shape; Alumina; Crystallography; Foams; Nanotechnology; Synthesis (chemical); Aerogels
dc.titleNanoengineering mechanically robust aerogels via control of foam morphology
dc.typeJournal article
local.bibliographicCitation.issue4en_AU
local.bibliographicCitation.startpage041911en_AU
local.contributor.affiliationKucheyev, Sergei O, Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationBaumann, T F , Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationCox, C A , Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationWang, Y M , Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationSatcher, J H , Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationHamza, A V, Lawrence Livermore National Laboratory, United States of Americaen_AU
local.contributor.affiliationBradby, Jodie, College of Physical and Mathematical Sciences, CPMS Research School of Physics and Engineering, Department of Electronic Materials Engineering, The Australian National Universityen_AU
local.contributor.authoruidu9908195en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor100799en_AU
local.identifier.ariespublicationU4047546xPUB33en_AU
local.identifier.citationvolume89en_AU
local.identifier.doi10.1063/1.2236222en_AU
local.identifier.scopusID2-s2.0-33746651162
local.publisher.urlhttps://www.aip.org/en_AU
local.type.statusPublished Versionen_AU

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