Preparation and Photo-catalytic Activity of Supported TiO2 Composites

被引：0
|
作者：
Gao Ru-qin [1 ]
Zhu Ling-feng [1 ]
机构：
[1] SEME, North China Inst Water Conservancy & Hydroelect, Zhengzhou, Peoples R China
来源：
2010 4TH INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICAL ENGINEERING (ICBBE 2010) | 2010年
关键词：
diatomite-based porous ceramics; nano-TiO2 thin film; hydrolysis precipitation method; photo-catalytic activity; PHOTOCATALYTIC DEGRADATION;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Supporting body of diatomite-based porous ceramics was prepared by solid-phase sintering and low-temperature calcination process. Nano-TiO2 film was loaded on the surface by hydrolysis deposition method taking titanium tetrachloride as the precursor. Composite structure was characterized by X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscope. The photo-catalytic property of TiO2 thin film was investigated by the degradation of malachite green. Results indicated that TiO2 crystal calcined at 550. was anatase; Average particle size of TiO2 is about 10 nm; When TiO2 film was irradiated 6h under ultraviolet, the degradation ratio for 5 mg/L malachite green aqueous solution reached 86.2%.
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页数：4
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