1. Materials Science and Nanotechnology Program
2. Faculty of Science
3. Khon Kaen University
4. Khon Kaen 40002
5. Thailand
6. Institute of Nanomaterials Research and Innovation for Energy (IN-RIE)
7. Research Network of NANOTEC-KKU (RNN)
8. Synchrotron Light Research Institute (Public Organization)
9. Nakhon Ratchasima 30000
10. Department of Physics