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Article: Green, yellow, and orange defect emission from ZnO nanostructures: Influence of excitation wavelength
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TitleGreen, yellow, and orange defect emission from ZnO nanostructures: Influence of excitation wavelength
 
AuthorsDjurišić, AB1
Leung, YH1
Tam, KH1
Ding, L3
Ge, WK3
Chen, HY2
Gwo, S2
 
KeywordsPhysics Engineering
 
Issue Date2006
 
PublisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
 
CitationApplied Physics Letters, 2006, v. 88 n. 10 [How to Cite?]
DOI: http://dx.doi.org/10.1063/1.2182096
 
AbstractZnO commonly exhibits luminescence in the visible spectral range due to different intrinsic defects. In order to study defect emissions, photoluminescence from ZnO nanostructures prepared by different methods (needles, rods, shells) was measured as a function of excitation wavelength and temperature. Under excitation at 325 nm, needles exhibited orange-red defect emission, rods exhibited yellow defect emission, while shells exhibited green defect emission. Obvious color change from orange to green was observed for needles with increasing excitation wavelengths, while nanorods (yellow) showed smaller wavelength shift and shells (green) showed no significant spectral shift. Reasons for different wavelength dependences are discussed. © 2006 American Institute of Physics.
 
ISSN0003-6951
2012 Impact Factor: 3.794
2012 SCImago Journal Rankings: 1.938
 
DOIhttp://dx.doi.org/10.1063/1.2182096
 
ISI Accession Number IDWOS:000235905800065
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorDjurišić, AB
 
dc.contributor.authorLeung, YH
 
dc.contributor.authorTam, KH
 
dc.contributor.authorDing, L
 
dc.contributor.authorGe, WK
 
dc.contributor.authorChen, HY
 
dc.contributor.authorGwo, S
 
dc.date.accessioned2007-10-30T06:21:02Z
 
dc.date.available2007-10-30T06:21:02Z
 
dc.date.issued2006
 
dc.description.abstractZnO commonly exhibits luminescence in the visible spectral range due to different intrinsic defects. In order to study defect emissions, photoluminescence from ZnO nanostructures prepared by different methods (needles, rods, shells) was measured as a function of excitation wavelength and temperature. Under excitation at 325 nm, needles exhibited orange-red defect emission, rods exhibited yellow defect emission, while shells exhibited green defect emission. Obvious color change from orange to green was observed for needles with increasing excitation wavelengths, while nanorods (yellow) showed smaller wavelength shift and shells (green) showed no significant spectral shift. Reasons for different wavelength dependences are discussed. © 2006 American Institute of Physics.
 
dc.description.naturepublished_or_final_version
 
dc.format.extent361121 bytes
 
dc.format.extent3553 bytes
 
dc.format.mimetypeapplication/pdf
 
dc.format.mimetypetext/plain
 
dc.identifier.citationApplied Physics Letters, 2006, v. 88 n. 10 [How to Cite?]
DOI: http://dx.doi.org/10.1063/1.2182096
 
dc.identifier.doihttp://dx.doi.org/10.1063/1.2182096
 
dc.identifier.isiWOS:000235905800065
 
dc.identifier.issn0003-6951
2012 Impact Factor: 3.794
2012 SCImago Journal Rankings: 1.938
 
dc.identifier.issue10
 
dc.identifier.openurl
 
dc.identifier.scopuseid_2-s2.0-33644882228
 
dc.identifier.urihttp://hdl.handle.net/10722/45251
 
dc.identifier.volume88
 
dc.languageeng
 
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://apl.aip.org/
 
dc.publisher.placeUnited States
 
dc.relation.ispartofApplied Physics Letters
 
dc.relation.referencesReferences in Scopus
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subjectPhysics Engineering
 
dc.titleGreen, yellow, and orange defect emission from ZnO nanostructures: Influence of excitation wavelength
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong
  2. National Tsing Hua University
  3. Hong Kong University of Science and Technology