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The formation of uniform straw-like β-FeOOH nanostructures with superior catalytic performance for the degradation of Rhodamine B

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Abstract

In this work, uniform straw-like akaganeite (β-FeOOH) nanostructures with superior catalytic performance were successfully prepared via a facile hydrothermal method. The as-prepared uniform straw-like β-FeOOH nanostructures were characterized by various techniques such as X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-Visible (UV-vis) spectroscopy, UV-vis diffused reflection spectra (UV-vis DRS), and X-ray photoelectron spectroscopy (XPS). The optical property of β-FeOOH was investigated and the catalytic activity of β-FeOOH was also systematically evaluated in a Fenton process for the degradation of Rhodamine B (RhB). Based on the experimental results and analysis, it could be concluded that the as-prepared β-FeOOH nanostructures exhibited wide absorption wavelength range which was approximately 200–680 nm. The degradation efficiency of RhB reached 90% and the color of RhB solutions transformed from fresh pink to colorless after 9 h.

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Funding

This work was supported by the National Natural Science Foundation of China (Grant No. 61575087), the Natural Science Foundation of Jiangsu Province (Grant No. BK20151164), and the Training Programs of Innovation and Entrepreneurship for Undergraduates of Jiangsu Province (Grant No. 202010320143Y).

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Correspondence to Ying Wu.

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Ma, W., Zhang, Y., Li, Y. et al. The formation of uniform straw-like β-FeOOH nanostructures with superior catalytic performance for the degradation of Rhodamine B. J Nanopart Res 23, 19 (2021). https://doi.org/10.1007/s11051-020-05116-x

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  • DOI: https://doi.org/10.1007/s11051-020-05116-x

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