Abstract
Semiconductor photocatalysis is a sustainable and advanced method for depollution and energy shortage, yet efficient photocatalysts have to be synthesized. For instance, BiOCl is a promising photocatalyst, but its efficiency is largely dependent on morphology. In particular, there is a need for simple synthesis procedures and easily controllable facet exposure. Here, nanosheet-assembled BiOCl nanoflowers with exposed {001} facets were prepared by a rapid, efficient, water-assisted synthesis. BiOCl nanoflowers exhibited 3.3 times better adsorption and 3.5 times superior photosensitized degradation of rhodamine B under visible light irradiation, compared with BiOCl nanosheets. These improvements are attributed to the higher exposition of the {001} facet and 3D hierarchical structure. This work offers new insights to better understand the photosensitized degradation and rational design of highly active photocatalysts.
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Acknowledgements
The authors would like to thank the National Natural Science Foundation (21406252), DNL Cooperation Fund CAS (DNL180309), Youth Innovation Promotion Association CAS (2012170), Taishan Scholars (ts201712076), and Taishan Scholars Climbing Program (tspd20150210) of Shandong for the financial support of this investigation.
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Zhang, X., Yuan, L., Liang, F. et al. Water-assisted synthesis of shape-specific BiOCl nanoflowers with enhanced adsorption and photosensitized degradation of rhodamine B. Environ Chem Lett 18, 243–249 (2020). https://doi.org/10.1007/s10311-019-00929-2
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DOI: https://doi.org/10.1007/s10311-019-00929-2