1. Applied Chemistry Program Faculty of Science Maejo University 50290 Chiang Mai Thailand
2. School of Chemistry Institute of Science Suranaree University of Technology 30000 Nakhon Ratchasima Thailand
3. National Nanotechnology Center (NANOTEC) National Science and Technology Development Agency (NSTDA) 12120 Pathumthani Thailand
4. Chemistry Program Faculty of Science and Technology Pibulsongkram Rajabhat University 65000 Phitsanulok Thailand