1. Department of Material
and Life
Science, Graduate School of Engineering, Osaka University, ALCA, Japan Science and Technology Agency (JST), Suita, Osaka 565-0871,
Japan
2. Spectroscopy Laboratory
for
Functional π-Electronic Systems and Department of Chemistry, Yonsei University, Seoul, 120-749, Korea
3. Department of Bioinspired Science, Ewha Womans University, Seoul 120-750, Korea