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Citation: Shui Miao, Yue Lin-Hai, Xu Zhe-De. Photocatalytic Activity of Iron Doping TiO₂ Prepared by Several Methods[J]. Acta Physico-Chimica Sinica, ;2001, 17(03): 282-285. doi: 10.3866/PKU.WHXB20010321 shu

Photocatalytic Activity of Iron Doping TiO₂ Prepared by Several Methods

1.
Department of Chemistry,Zhejiang University,Hangzhou　310027

Received Date: 8 October 2000
Available Online: 15 March 2001

The iron doping titanium dioxide was prepared by solgel,step precipi tation,coprecipitation and immersion methods,respectively.The photocatalytic a ctivities of these prepared samples were evaluated in X3B dispersion irradiate d under UV.The experimental results showed that the immersion method,especially using the nano TiO2 as immersion matrix,greatly enhanced the photocatalytic acti vity.One fold enhancement in photocatalytic activity was observed in the case of the sample prepared by immersion doping method.This may be attributed to the na nosize effect,the irreversible hole trapper in nonsaturated bonding field of Fe3＋ and larger lattice strain.
- Sol-gel;Hydrolysis;X-ray diffraction;Lattice strain;Photoca talysis
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沈阳化工大学材料科学与工程学院沈阳 110142

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Photocatalytic Activity of Iron Doping TiO2 Prepared by Several Methods

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通讯作者: 陈斌, bchen63@163.com

Photocatalytic Activity of Iron Doping TiO₂ Prepared by Several Methods