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Article Dans Une Revue Materials Letters Année : 2011

BiOCl nano/microstructures on substrates: Synthesis and photocatalytic properties

Résumé

Bismuth oxycholoride (BiOCl) nano/microstructures, including flake and nanowire arrays, were successfully synthesized on Anodic Aluminum Oxide (AAO) templates via sol-gel combined with the vacuum airextraction method. The flakes are almost vertically aligned on the surface, but nanowires at a lower sol concentration are aligned along the channels. A possible formation mechanism is proposed. Furthermore, the photocatalytic activity of the BiOCl nano/microstructures is investigated by photocatalytic decomposition of Rhodamine B (Rh B) dye under UV-Visible light irradiation. Compared with the BiOCl flake-like film on the glass substrate, where the flakes are horizontally oriented on the surface, the vertically aligned flake and nanowire arrays on AAO templates, have higher photocatalytic efficiency.

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Dates et versions

hal-00581574 , version 1 (31-03-2011)

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Sujuan Wu, Cong Wang, Yinfang Cui, Weichang Hao, Tianmin Wang, et al.. BiOCl nano/microstructures on substrates: Synthesis and photocatalytic properties. Materials Letters, 2011, 65, pp.1344-1347. ⟨10.1016/j.matlet.2011.01.078⟩. ⟨hal-00581574⟩
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