1. Division of Advanced Materials Science
2. Pohang University of Science and Technology (POSTECH)
3. Pohang 790-784, South Korea
4. Department of Chemistry
5. Faculty of Engineering
6. Gifu University
7. Gifu, Japan
8. Department of Applied Chemistry
9. Chubu University
10. , Japan
11. Graduate School of Science
12. Osaka University
13. Osaka 560-0043, Japan