1. Research Center for Negative Emission Technologies, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
2. Central Research Laboratories, Kureha Corporation, Fukushima 974-8686, Japan
3. Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology, 1, Matsugasaki Hashikami-cho, Sakyo-ku, Kyoto 606-8585, Japan
4. Japan Synchrotron Radiation Research Institute, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5198, Japan
5. Faculty of Fiber Science and Engineering, Kyoto Institute of Technology, 1, Matsugasaki Hashikami-cho, Sakyo-ku, Kyoto 606-8585, Japan
6. RIKEN SPring-8 Center, 1-1-1, Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan