1. Nanoscience and technology program
2. Graduate School
3. Chulalongkorn University
4. Patumwan
5. Thailand
6. Department of Chemistry and Institute of Biological Interfaces
7. Sogang University
8. Seoul 04107
9. Republic of Korea
10. Electrochemistry and Optical Spectroscopy Research Unit
11. Department of Chemistry
12. Faculty of Science
13. Metallurgy and Materials Science Research Institute