Preparation of Fe3+-Doped TiO2 Nanometer Thin Film and Study on Its Photocatalytic Performances
ZHENG Huai-li1，2，ZHANG Jun-hua1, LI Hong2, LI Zhi-liang1
1. College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China 2. Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University，Chongqing 400045，China
Abstract：In the present paper，Fe3+-doped TiO2 nanometer thin films were prepared on the surface of glass by sol-gel processing. Effects of ferro-dopant, PEG addition levels, and the number of layers on transmittance and photocatalytic degradability were then respectively investigated. Meanwhile some relative mechanisms of the effects were discussed. It was shown that the photocatalytic activity of the films could be promoted by ferro-dopant, and the rate of degradation was 1.38 times that without ferro-dopant. Moreover, the optimal photocatalytic activity and transmittance were obtained by adding 0.1g(0.13wt%) PEG to the sol precursor. In addition, the TiO2 nanometer thin films with 2 to 5 layers all had better transmittance, and the best one for practical application had two layers. The glass coated with TiO2 nanometer thin film shows potential and wide application value in construction industry, lamps manufacture, urban lighting engineering, etc. because of its remarkable abilities of self-purification, economy in energy, and environmental protection.
郑怀礼1，2，张峻华1，李 宏2，李志良1 . 掺铁TiO2纳米薄膜的制备及光催化性能研究[J]. 光谱学与光谱分析, 2005, 25(12): 2065-2069.
ZHENG Huai-li1，2，ZHANG Jun-hua1, LI Hong2, LI Zhi-liang1 . Preparation of Fe3+-Doped TiO2 Nanometer Thin Film and Study on Its Photocatalytic Performances . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(12): 2065-2069.
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