| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9577513 | Chemical Physics Letters | 2005 | 5 Pages |
Abstract
Ultraviolet (UV) emitting ZnO nanoparticles have been prepared by direct solvent evaporation of an alcohol solution containing KOH and zinc acetate. The particle size of ZnO becomes stable at an average diameter of 4-5Â nm. Upon drying, the ZnO nanoparticle powder shows strong UV emission, suggesting that the surface states of ZnO have been eliminated with acetate molecules adsorption. Raman spectra show the presence of Zno E2(2) optical phonon mode, which is red-shifted when compared to bulk ZnO. The CO stretching mode in the Raman spectra is red-shifted to 1401Â cmâ1, indicating strong binding of acetate on the ZnO surfaces.
Related Topics
Physical Sciences and Engineering
Chemistry
Physical and Theoretical Chemistry
Authors
Richard D. Yang, S. Tripathy, Yuntao Li, Hung-Jue Sue,