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Flower-Like BiOCl/g-C3N4 Hybrid with Oxygen Vacancies Assembled by Nanosheets: In Situ Pyrolysis Associated with Ultrasonic Process and Photocatalytic Properties

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Abstract

Herein, a method is described for pyrolysis associated with in situ ultrasonic synthesis of flower-like p-n-type BiOCl/g-C3N4 assembled with nanosheets for enhancing the visible-light degradation of Rhodamine B (RhB). The formation process, structure, microscopic morphology, and photocatalytic activity of the samples were investigated in detail. In addition, the results of simulated visible light-driven photocatalytic experiments showed that, compared with pure g-C3N4, the BiOCl (20 wt %)/g-C3N4 composite photocatalyst exhibited better degradation ability with a maximum k value of 0.109 min−1, and the most significant total removal rate of RhB was up to 99 %, which is about ninefold in comparison with pure g-C3N4. Finally, the enhanced photocatalytic activities of the products could be attributed to the suitable band structures between the BiOCl/g-C3N4 composite with rich oxygen vacancies for the effective separation of photogenerated electron–hole pairs.

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Acknowledgments

This work is financially supported by the Natural Science Foundation of Education Department of Anhui Province (No. KJ2015A232) and the Natural Science Foundation of Anhui Province (No. 1708085ME112).

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Authors and Affiliations

  1. School of Energy, Materials and Chemical Engineering, Hefei University, Hefei, 230601, People’s Republic of China

    Jinsong Xie, Dehan Li, Xinyu Sheng, Haoran Qian, Jingmin Lu, Hongdian Lu, Zezhong Xu, Minghua Li & Shufen Wang

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  1. Jinsong Xie
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  2. Dehan Li
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Correspondence to Jinsong Xie.

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The original online version of this article was revised: Xinyu Sheng’s given name was corrected.

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Xie, J., Li, D., Sheng, X. et al. Flower-Like BiOCl/g-C3N4 Hybrid with Oxygen Vacancies Assembled by Nanosheets: In Situ Pyrolysis Associated with Ultrasonic Process and Photocatalytic Properties. J. Electron. Mater. 51, 22–29 (2022). https://doi.org/10.1007/s11664-021-09316-6

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