Journal
RSC ADVANCES
Volume 5, Issue 55, Pages 44390-44397Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra04767f
Keywords
-
Categories
Funding
- CSIR, India
Ask authors/readers for more resources
Native defects, responsible for the n-type behavior of ZnO are found to be reduced by Mg doping. Zn1-xMgxO nanoparticles synthesized by the conventional coprecipitation route are characterized by XRD, TEM and various spectroscopic techniques like FTIR, XPS, UV-visible, PL, Raman and PAS. Unintentional hydrogen and complex defects in addition to cationic and anionic vacancies (V-Zn and V-O) in ZnO nanoparticles are observed from FTIR. After incorporating Mg, an additional IR mode at 856 cm(-1) is observed and attributed to Mg-H. The additional mode contributing excess hydrogen in Mg doped ZnO is further confirmed from XPS. PL and PAS measurements indicate less native defects in Mg doped ZnO because of passivation of defects by excess hydrogen. We conclude that Mg doping not only diminishes the native defects in ZnO, but also could be used as a suitable material for hydrogen storage.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available