1. Research Network NANOTEC-SUT on Advanced Nanomaterials and Characterization, School of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, Thailand
2. School of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima, Thailand
3. Faculty of Science, Department of Physics, Ubon Ratchathani University, Ubon Ratchathani, Thailand
4. Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, Thailand
5. School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong, Thailand
6. Research Network of NANOTEC-VISTEC on Nanotechnology for Energy, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand