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Photocatalytic Activity of F-/ SiO2/TiO2 Nanowires

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Abstract:

Titania nanowire arrays were synthesized in highly ordered porous anodic alumina template by sol-gel method. The samples were characterized by means of SEM, XRD. The photocatalytic property of TiO2, SiO2/ TiO2, F-/SiO2/TiO2 nanowire arrays were studied by methyl orange degradation. The results show that F-/ SiO2/ TiO2 nanowire arrays have higher photocatalytic activities than those of TiO2 and SiO2 /TiO2. Under the condition of 1 h irradiation, the degradation ratio of methyl orange exceeds 90%. At the same time, the higher photocatalytic activity and the smaller crystal size of F-/ SiO2/ TiO2 are related to the incorporation of F-.

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Periodical:

Advanced Materials Research (Volume 177)

Pages:

284-286

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.177.284

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Online since:

December 2010

Authors:

Shao Hua Zhang, Jian Jun Wang, Bing Xie, Yu Wei

Keywords:

F-/SiO2/TiO2, Photocatalytic Activity, Titania Nanowire Arrays

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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