1. Department of Chemistry, School of Science
and Technology and Research Center of Environmental Friendly Polymer, Kwansei-Gakuin University, Gakuen 2-1, Sanda, Hyogo
669-1545, Japan
2. Professor
Emeritus, Kyoto University, Kyoto 606-8501,
Japan, and Honorary Chair Professor, National Tsing Hua University, Hsinchu 30013, Taiwan
3. Japan Synchrotron Radiation Research Institute, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198,
Japan
4. Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto
606-8585, Japan