1. Multi-functional
Photocatalyst and Coatings Group, SPECIFIC, College of Engineering, Swansea University (Bay Campus), Swansea SA1 8EN, Wales, U.K.
2. Materials
and Surface Engineering Research Institute, Kanto Gakuin University, 1162-2 Ogikubo, Odawara, Kanagawa 250-0042, Japan
3. Department
of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan