Surface electronic properties of ZnO nanoparticles
- Publication Type:
- Journal Article
- Citation:
- Applied Physics Letters, 2008, 92 (26)
- Issue Date:
- 2008-07-11
Open Access
Copyright Clearance Process
- Recently Added
- In Progress
- Open Access
This item is open access.
The 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 Physics.
Please use this identifier to cite or link to this item: