1. Applied Chemistry Program, Graduate School of Advanced Science and Engineering Hiroshima University 1-4-1 Kagamiyama, Higashi-Hiroshima Hiroshima 739-8527 Japan
2. Department of Materials Chemistry Nagoya University Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
3. Research Institute for Interdisciplinary Science Okayama University 3-1-1 Tsushima-naka, Kita-ku Okayama 700-8530 Japan