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Facile preparation of novel Fe2O3/BiOI hybrid nanostructures for efficient visible light photocatalysis

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Abstract

A novel magnetic Fe2O3/BiOI hybrid nanostructure was fabricated by combining electrospinning and successive ionic layer adsorption and reaction (SILAR) method. Hollow Fe2O3 nanofibers with internal diameter around 50 nm were produced by using electrospinning and calcinations of the as-spun fibers at 450 °C for 2 h. BiOI was deposited on the Fe2O3 nanofiber surface by SILAR method, and the BiOI quantity could be controlled by the growth cycles of SILAR. Similar synthetic procedure could also be used to prepare Fe2O3/BiOBr and Fe2O3/BiOCl hybrid nanostructures. The BiOI on the magnetic nanofiber surface is highly crystalline with lamellae morphology of around 16 nm in thickness from the X-ray diffraction and scanning electron microscopy detections. The obtained Fe2O3/BiOI hybrid nanostructures exhibit superior visible light catalytic performance toward decomposition of RhB. This new method, which can also be used to prepare other magnetic photocatalyst simply at low cost, is suitable for practical applications.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (21501140, 21403165, 51372197), the Science and Technology Department of Shaanxi Province (2015JQ2047, 2016JQ2002), and the Key Innovation Team of Shaanxi Province (2014KCT-04).

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Xi’an University of Science and Technology, Xi’an, 710054, People’s Republic of China

    Meng-Jie Chang, Hua Wang, Hui-Lu Li, Jun Liu & Hui-Ling Du

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  1. Meng-Jie Chang
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  2. Hua Wang
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  3. Hui-Lu Li
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  4. Jun Liu
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  5. Hui-Ling Du
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Correspondence to Jun Liu.

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Chang, MJ., Wang, H., Li, HL. et al. Facile preparation of novel Fe2O3/BiOI hybrid nanostructures for efficient visible light photocatalysis. J Mater Sci 53, 3682–3691 (2018). https://doi.org/10.1007/s10853-017-1813-z

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  • DOI: https://doi.org/10.1007/s10853-017-1813-z

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