1. Department of Chemical Engineering
2. Graduate School of Engineering
3. Tohoku University
4. Sendai
5. Japan
6. Research Center for Artificial Photosynthesis
7. Osaka City University
8. Osaka
9. Nippon Steel Corporation
10. Futtsu
11. Nippon Steel Engineering Co.
12. Ltd.
13. Kitakyushu-shi
14. Department of Applied Chemistry