1. Department of Chemistry, Faculty of Science
2. Srinakharinwirot University
3. Bangkok 10110
4. Thailand
5. Department of Pure and Applied Chemistry
6. Faculty of Science and Technology
7. Tokyo University of Science
8. Chiba
9. Japan
10. Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE)
11. Department of Chemistry
12. Faculty of Science
13. Chulalongkorn University
14. Bangkok 10330