1. Department of Molecular and Macromolecular Chemistry Graduate School of Engineering Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
2. Department of Chemistry and Spectroscopy Laboratory for, Functional π-Electronic Systems Yonsei University Seoul 03722 South Korea
3. Department of Molecular Engineering Graduate School of Engineering Kyoto University Nishikyo-ku Kyoto 615-8510 Japan