BiOCl nano/microstructures on substrates: Synthesis and photocatalytic properties |
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Authors: | Sujuan WuCong Wang Yinfang CuiWeichang Hao Tianmin WangPascal Brault |
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Affiliation: | a Center for Condensed Matter and Material Physics, Department of Physics, Beihang University, Beijing, 100191, Chinab GREMI, UMR6606 CNRS-Universite d'Orleans BP 6744, 45067 Orleans Cedex 2, France |
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Abstract: | 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 air-extraction 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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Keywords: | BiOCl Flake-like film Microstructures Sol-gel preparation |
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