1. Collaborative Innovation Center for Nanotech FIBER (nanoFIC), Shinshu University, 3-15-1 Tokida, Ueda 386-8567, Japan
2. Nippon Steel Corporation, Shintomi, Futtsu, Chiba 293-8511, Japan
3. Graduate School of Science, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
4. Università degli Studi di Milano, Dipartimento di Chimica Strutturale e Stereochimica Inorganica, Via G. Venezian 21, 20133 Milano, Italy
5. RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
6. Chemical Analysis Center, Chiba University, 1-33 Yayoi, Inage, Chiba, 263-8522 Japan
7. Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
8. Department of Chemistry, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, 386-8567, Japan
9. Department of Applied Chemistry, Tokyo University of Agriculture and Technology, 2-24-16 Koganei, Naka-cho 184-8588, Japan
10. Research Center for Exotic Nanocarbons, Shinshu University, 4-17-1 Wakasato, Nagano-city 380-8553, Japan