Yoshiki kurokawa,Dang Trang Nguyen,Kozo Taguchi,



Photocatalyst,Ni-doped TiO_2 powder,Sol-Gel method,Electrophoresis deposition,


Titanium oxide () is used as photocatalyst. It has wide band gap of 3.2eV, so it can absorb only ultraviolet light. In this paper, we tried to make visible light response for  by doping Ni using Sol-Gel method. For photocatalyst experiments (methylene blue degradation), we made some sample types from handmade  powder, handmade Ni-doped  powder, and commercially  powder (P25).  Based on experimental results, the Ni-doped powder mixed with P25 powder can absorb the low range of visible light, as a result, it achieved highest methylene blue degradation ability.


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