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Article: Synthesis and analysis of abnormal wurtzite ZnSe nanowheels
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TitleSynthesis and analysis of abnormal wurtzite ZnSe nanowheels
 
AuthorsJin, L1 2 2
Choy, WCH1
Leung, YP1
Yuk, TI1
Ong, HC3
Wang, JB2
 
KeywordsPhysics engineering
 
Issue Date2007
 
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
 
CitationJournal Of Applied Physics, 2007, v. 102 n. 4 [How to Cite?]
DOI: http://dx.doi.org/10.1063/1.2769329
 
AbstractAn abnormal structure of the ZnSe nanowheels composed of teethlike extended patterns on nanoring bases has been successfully synthesized by thermal evaporation method. It is interesting to note that the as-synthesized ZnSe nanowheels are metastable wurtzite phase with the dominant exposed surfaces of ± (2 1- 1- 0) while the stable ZnSe is typically zinc blende phase. A full picture of the growth mechanism of the metastable wurtzite phase ZnSe nanostructures will be proposed from the thermodynamic point of view. Meanwhile, the formation of the nanowheels is also explained by a two-stage mechanism. In the first stage, the base of the nanowheel begins to form by vapor-solid mechanism, while in the second stage, the teethlike extended structures grow through the self-catalyzed growth process. The cathodoluminescence spectrum of ZnSe nanowheel exhibited a band edge transition at about 460 nm and a strong self-activated luminescence at 610 nm. It is important to note that the discussions of the nanostructure thermodynamics and stability can be applied to understand the growth mechanism of other nanostructures which are critical for optimization of the nanostructures. © 2007 American Institute of Physics.
 
ISSN0021-8979
2012 Impact Factor: 2.21
2012 SCImago Journal Rankings: 0.990
 
DOIhttp://dx.doi.org/10.1063/1.2769329
 
ISI Accession Number IDWOS:000249156200099
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorJin, L
 
dc.contributor.authorChoy, WCH
 
dc.contributor.authorLeung, YP
 
dc.contributor.authorYuk, TI
 
dc.contributor.authorOng, HC
 
dc.contributor.authorWang, JB
 
dc.date.accessioned2010-04-12T01:36:51Z
 
dc.date.available2010-04-12T01:36:51Z
 
dc.date.issued2007
 
dc.description.abstractAn abnormal structure of the ZnSe nanowheels composed of teethlike extended patterns on nanoring bases has been successfully synthesized by thermal evaporation method. It is interesting to note that the as-synthesized ZnSe nanowheels are metastable wurtzite phase with the dominant exposed surfaces of ± (2 1- 1- 0) while the stable ZnSe is typically zinc blende phase. A full picture of the growth mechanism of the metastable wurtzite phase ZnSe nanostructures will be proposed from the thermodynamic point of view. Meanwhile, the formation of the nanowheels is also explained by a two-stage mechanism. In the first stage, the base of the nanowheel begins to form by vapor-solid mechanism, while in the second stage, the teethlike extended structures grow through the self-catalyzed growth process. The cathodoluminescence spectrum of ZnSe nanowheel exhibited a band edge transition at about 460 nm and a strong self-activated luminescence at 610 nm. It is important to note that the discussions of the nanostructure thermodynamics and stability can be applied to understand the growth mechanism of other nanostructures which are critical for optimization of the nanostructures. © 2007 American Institute of Physics.
 
dc.description.naturepublished_or_final_version
 
dc.identifier.citationJournal Of Applied Physics, 2007, v. 102 n. 4 [How to Cite?]
DOI: http://dx.doi.org/10.1063/1.2769329
 
dc.identifier.doihttp://dx.doi.org/10.1063/1.2769329
 
dc.identifier.hkuros147775
 
dc.identifier.isiWOS:000249156200099
 
dc.identifier.issn0021-8979
2012 Impact Factor: 2.21
2012 SCImago Journal Rankings: 0.990
 
dc.identifier.issue4
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-34548406936
 
dc.identifier.urihttp://hdl.handle.net/10722/57438
 
dc.identifier.volume102
 
dc.languageeng
 
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
 
dc.publisher.placeUnited States
 
dc.relation.ispartofJournal of Applied Physics
 
dc.relation.referencesReferences in Scopus
 
dc.rightsJournal of Applied Physics. Copyright © American Institute of Physics.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subjectPhysics engineering
 
dc.titleSynthesis and analysis of abnormal wurtzite ZnSe nanowheels
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. Wuhan University
  3. Chinese University of Hong Kong