Abstract
The tube-like NiO/Bi2WO6 heterostructured photocatalysts with the diameter of about 250 nm and tube wall thickness of about 55 nm have been fabricated via a collective electrospinning-calcination process. The morphology, chemical compositions, and optical and photoelectrochemical properties of NiO/Bi2WO6 photocatalysts are probed by electron microscopy and associated spectroscopy techniques. Benefiting from the synergistic effect between p-NiO/n-Bi2WO6 Z-scheme heterojunctions and unique one-dimensional tubular structure, NiO/Bi2WO6 nanotubes greatly promote the separation of photogenerated electron–hole pairs and improve the photocatalytic activity towards tetracycline (TC) degradation under simulated sunlight irradiation. Meanwhile, the photocatalytic mechanism of NiO/Bi2WO6 nanotubes has been discussed in detail. This work can act as a new technique to build p-n heterostructured photocatalysts, serving as a promising photocatalyst for the removal of TC-related antibiotics from the environment.
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Acknowledgements
The project supported by the Colleges and Universities Twenty Terms Foundation of Jinan City (Grant No. 2019GXRC036) and Shandong Provincial Natural Science Foundation (Grant No. ZR2020MB070)
Funding
The colleges and universities twenty terms foundation of jinan city,2019GXRC036,Qifang Lu,natural science foundation of shandong province,ZR2020MB070,Qifang Lu
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Xue, Y., Xiao, J., Li, K. et al. One-dimensional Z-scheme NiO/Bi2WO6 heterostructures for enhancing visible-light photocatalytic activity. J Nanopart Res 23, 265 (2021). https://doi.org/10.1007/s11051-021-05379-y
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DOI: https://doi.org/10.1007/s11051-021-05379-y