1. Department of Applied Chemistry and Institute of Molecular Science
2. National Chiao Tung University
3. Hsinchu 30010
4. Taiwan
5. MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science
6. Department of Chemistry
7. Graduate School of Science
8. Tohoku University
9. Sendai 980-8578
10. Japan
11. Center for Emergent Functional Matter Science