1. Department of Chemistry, School of Science, Kobe University, Kobe, Hyogo 657-8501, Japan
2. Research Institute for Integrated Science, Kanagawa University, Yokohama, Kanagawa 221-8686, Japan
3. Research Center for Membrane and Film Technology, Kobe University, Kobe 657-8501, Japan
4. Division of Advanced Molecular Science, Institute for Molecular Science, Okazaki, Aichi 444-8585, Japan