Speaker
Apply to be<br> considered for a student <br> award (Yes / No)?
Yes
Main supervisor (name and email)<br>and his / her institution
Mokhotjwa Simon Dhalamini,dhlamini@unisa.ac.za,UNISA
Abstract content <br> (Max 300 words)<br><a href="http://events.saip.org.za/getFile.py/access?resId=0&materialId=0&confId=34" target="_blank">Formatting &<br>Special chars</a>
We report on the (micro)-structural, optical, morphological, surface state and magnetic characteristics of un-doped and rare earth (RE) doped zinc oxide (ZnO) 0-dimension (0D) semiconductor nanostructures, which were successfully synthesized via a facile sol-gel process. The optical investigation of as-synthesized samples as revealed by optical absorption spectroscopy showed a blue shift of the absorption band-edge as compared to the bulk material, which could be an effective indication of quantum confinement effect. From the transmission electron microscopy (TEM) results, it was observed a morphological change as the dopant concentration was increased probably due to the Ostwald ripening effect; furthermore, the highly crystalline nature of the synthesized 0D nanostructures was confirmed. Finally, defects state in the semiconductor nanostructures was studied using photoluminescence (PL) spectroscopy, x-ray photoelectron spectroscopy (XPS) and Electron Spin resonance (ESR).
Would you like to <br> submit a short paper <br> for the Conference <br> Proceedings (Yes / No)?
Yes
Level for award<br> (Hons, MSc, <br> PhD)?
MSc
