1. Photocatalyst group, Kanagawa Academy of Science and Technology, KSP Building East 412, 3-2-1 Sakado, Takatsu-ku,
Kawasaki, Kanagawa 213-0012, Japan
2. Research Institute for Science and Technology, Energy and Environment
Photocatalyst Research Division, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601,
Japan
3. Department of Pure
and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Noda 278-8510, Japan