New Preparation Method of Visible Light Responsive Titanium Dioxide Photocatalytic Films
New Preparation Method of Visible Light Responsive Titanium Dioxide Photocatalytic Films作者机构：Materials Research Institute for Sustainable Development National Institute of Advanced Industrial Science and Technology (AIST) Nagoya Japan
出 版 物：《Materials Sciences and Applications》 (材料科学与应用期刊（英文）)
年 卷 期：2014年第5卷第3期
页 面：112-123页
主 题：Titanium Dioxide Films Sol-Gel Method UV Irradiation Visible Light Responsive Photocatalyst
摘 要：We report a new and simple preparation method of the visible light responsive Titanium dioxide (TiO2) photocatalytic films using sol-gel method and ultraviolet light (UV) irradiation. Proposed films were prepared on fused silica plates using titanium tetra-isopropoxide, urea, 2-methoxyethanol, water and UV irradiation. The 650°C-annealed films were carbon-containing anatase type TiO2, not carbon-doped ones. The prepared films absorbed visible light with wavelengths longer than 400 nm. Also, organic dyes were effectively photodegradated by visible light irradiation in the presence of these films.
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