1. Department of Materials and Applied Chemistry College of Science and Technology Nihon University 1-8-14 Kanda Surugadai, Chiyoda-ku Tokyo 101-8308 Japan
2. Department of Chemistry Graduate School of Science Nagoya University Furocho Chikusa-ku Nagoya 464-8602 Japan
3. Department of Chemistry Graduate School of Advanced, Science and Engineering Hiroshima University 1-3-1 Kagamiyama Higashi-Hiroshima 739-8526 Japan
4. Spectroscopy Laboratory for Functional π-Electronic Systems, and Department of Chemistry Yonsei University Seoul 03722 South Korea