Photocatalytic Activity of F-/ SiO2/TiO2 Nanowires

Abstract:

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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-.

Info:

Periodical:

Edited by:

Yiwang Bao, Li Tian and Jianghong Gong

Pages:

284-286

DOI:

10.4028/www.scientific.net/AMR.177.284

Citation:

S. H. Zhang et al., "Photocatalytic Activity of F-/ SiO2/TiO2 Nanowires", Advanced Materials Research, Vol. 177, pp. 284-286, 2011

Online since:

December 2010

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$35.00

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