1. Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
2. Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
3. Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, 40002 Khon Kaen, Thailand