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Acta Physico-Chimica Sinica  2001, Vol. 17 Issue (03): 282-285    DOI: 10.3866/PKU.WHXB20010321
Photocatalytic Activity of Iron Doping TiO2 Prepared by Several Methods
Shui Miao;Yue Lin-Hai;Xu Zhe-De
Department of Chemistry,Zhejiang University,Hangzhou 310027
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Abstract  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.

Key wordsSol-gel      Hydrolysis      X-ray diffraction      Lattice strain      Photoca talysis     
Received: 08 October 2000      Published: 15 March 2001
Corresponding Authors: Yue Lin-Hai     E-mail:
Cite this article:

Shui Miao;Yue Lin-Hai;Xu Zhe-De. Photocatalytic Activity of Iron Doping TiO2 Prepared by Several Methods. Acta Physico-Chimica Sinica, 2001, 17(03): 282-285.

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