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dc.contributor.authorTon-That, Cen_AU
dc.contributor.authorPhillips, MRen_AU
dc.contributor.authorFoley, Men_AU
dc.contributor.authorMoody, SJen_AU
dc.contributor.authorStampfl, APJen_AU
dc.identifier.citationTon-That, C., Phillips, M. R., Foley, M., Moody, S. J., & Stampfl, A. P. J. (2008). Surface electronic properties of ZnO nanoparticles. Applied Physics Letters, 92(26), 3. doi:10.1063/1.2952955en_AU
dc.description.abstractThe surface electronic structure of ZnO nanoparticles has been studied with photoemission and x-ray absorption spectroscopies. Contrary to expectation, ZnO:Zn phosphor nanoparticles were found to contain a lower oxygen vacancy density on the surface than undoped ZnO counterparts, but oxygen vacancies are in different chemical environments. Cathodoluminescence shows intense green luminescence from the ZnO:Zn surface, while the undoped nanoparticles exhibit only the near-band-edge emission. The results indicate the roles of surface oxygen vacancies and their environment in the previously unexplained green luminescence from the ZnO:Zn material. © 2008, American Institute of Physicsen_AU
dc.publisherAmerican Institute of Physicsen_AU
dc.subjectPhotoelectron Spectroscopyen_AU
dc.subjectZinc oxidesen_AU
dc.titleSurface electronic properties of ZnO nanoparticlesen_AU
dc.typeJournal Articleen_AU
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