1. Department of Physics, Faculty of Science, Naresuan University, Phitsanulok, Thailand;
2. Research Center for Academic Excellence in Applied Physics, Faculty of Science, Naresuan University, Phitsanulok, Thailand;
3. Synchrotron Light Research Institute, Nakhon Ratchasima, Thailand;
4. School of Energy Science and Engineering and Research Network of NANOTEC-VISTEC on Nanotechnology for Energy, Vidyasirimedhi Institute of Science and Technology, Rayong, Thailand