1. Graduate School of Science and Technology; Hirosaki University; 1-Bunkyocho Hirosaki 036-8560 Japan
2. North Japan Research Institute for Sustainable Energy (NJRISE); Hirosaki University; 2-1-3, Matsubara Aomori 030-0813 Japan
3. Department of Chemical Engineering; Taiyuan University of Technology; Taiyuan 030024 China
4. Department of Nanoscience; Sojo University; 4-22-1 Ikeda, Nishi-ku Kumamoto 860-0082 Japan