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Article: Fabrication and characterization of amorphous silica nanostructures

TitleFabrication and characterization of amorphous silica nanostructures
Authors
KeywordsNanostructures
Scanning and transmission electron microscopy
Silica
Issue Date2008
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physleta
Citation
Physics Letters, Section A: General, Atomic And Solid State Physics, 2008, v. 372 n. 25, p. 4622-4626 How to Cite?
Abstract
Large-scale amorphous silica nanostructures, including nanowires, nanotubes and flowerlike nanowire bunches depending on the position, have been fabricated on silicon wafer through a cheap route under the assistance of gold and germanium. Accompanying the observation of blue-green light emission, comprehensive micro-structural characterization reveals that the growth of nanostructures is catalyzed only by gold whereas the final morphology of nanostructures depends on the location to germanium ball. Au 2Si, a compound of gold and silicon, is also disclosed as an intermediate state during the catalysis. Correspondingly, a growth scheme is proposed based on the experimental results and the vapor-liquid-solid mechanism. © 2008 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/73704
ISSN
2013 Impact Factor: 1.626
2013 SCImago Journal Rankings: 0.732
ISI Accession Number ID
References

 

Author Affiliations
  1. The University of Hong Kong
  2. Wuhan University
  3. Ministry of Education China
DC FieldValueLanguage
dc.contributor.authorJin, Len_HK
dc.contributor.authorWang, Jen_HK
dc.contributor.authorCao, Gen_HK
dc.contributor.authorChoy, WCHen_HK
dc.date.accessioned2010-09-06T06:53:57Z-
dc.date.available2010-09-06T06:53:57Z-
dc.date.issued2008en_HK
dc.identifier.citationPhysics Letters, Section A: General, Atomic And Solid State Physics, 2008, v. 372 n. 25, p. 4622-4626en_HK
dc.identifier.issn0375-9601en_HK
dc.identifier.urihttp://hdl.handle.net/10722/73704-
dc.description.abstractLarge-scale amorphous silica nanostructures, including nanowires, nanotubes and flowerlike nanowire bunches depending on the position, have been fabricated on silicon wafer through a cheap route under the assistance of gold and germanium. Accompanying the observation of blue-green light emission, comprehensive micro-structural characterization reveals that the growth of nanostructures is catalyzed only by gold whereas the final morphology of nanostructures depends on the location to germanium ball. Au 2Si, a compound of gold and silicon, is also disclosed as an intermediate state during the catalysis. Correspondingly, a growth scheme is proposed based on the experimental results and the vapor-liquid-solid mechanism. © 2008 Elsevier B.V. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physletaen_HK
dc.relation.ispartofPhysics Letters, Section A: General, Atomic and Solid State Physicsen_HK
dc.subjectNanostructuresen_HK
dc.subjectScanning and transmission electron microscopyen_HK
dc.subjectSilicaen_HK
dc.titleFabrication and characterization of amorphous silica nanostructuresen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0375-9601&volume=372&issue=25&spage=4622&epage=4626&date=2008&atitle=Fabrication+and+characterization+of+amorphous+silica+nanostructuresen_HK
dc.identifier.emailChoy, WCH:chchoy@eee.hku.hken_HK
dc.identifier.authorityChoy, WCH=rp00218en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.physleta.2008.04.036en_HK
dc.identifier.scopuseid_2-s2.0-44249090418en_HK
dc.identifier.hkuros161813en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-44249090418&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume372en_HK
dc.identifier.issue25en_HK
dc.identifier.spage4622en_HK
dc.identifier.epage4626en_HK
dc.identifier.isiWOS:000257040600017-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridJin, L=54395590000en_HK
dc.identifier.scopusauthoridWang, J=7701309180en_HK
dc.identifier.scopusauthoridCao, G=7401709878en_HK
dc.identifier.scopusauthoridChoy, WCH=7006202371en_HK

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