Photoluminescence of ZnO : Eu 3+ nanoflowers
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
|Journal / Publication||Journal of Nanoscience and Nanotechnology|
|Publication status||Published - Mar 2008|
|Link to Scopus||https://www.scopus.com/record/display.uri?eid=2-s2.0-42449096874&origin=recordpage|
The synthesis of ZnO:Eu 3+ nanoflowers by a low-temperature hydrothermal route is described. Characterization of the materials was performed by ESEM, XRD and FTIR spectra. The 355 nm excited photoluminescence spectra at 10 K do not indicate the presence of Eu 2+ or the ZnO defect states which give rise to green or red broadband emission. Excitation into the ZnO conduction band at low temperature does not give emission from Eu 3+. Selective excitation of the Eu 3+ emission shows that Eu 3+ ions occupy a variety of different sites, of which one of them is similar to Eu 3+ in C-type Eu 2O 3. Copyright © 2008 American Scientific Publishers All rights reserved.
- Doped zinc oxide, Eu 2O 3, Nanoflowers, Photoluminescence, Selective Excitation