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Preparation and photocatalytic activity of a novel BiOCl/g-C3N4 thin film prepared via spin coating

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Abstract

Novel BiOCl/g-C3N4 thin film photocatalysts were synthesized via a simple two-step spin coating method. The prepared photocatalysts were characterized by X-ray diffraction, scanning electron microscopy, and ultraviolet–visible spectroscopy. The photocatalytic activity of the thin films for the degradation of rhodamine B under visible light (λ ≥ 400 nm) was investigated. The results showed that the BiOCl/g-C3N4 thin film photocatalysts exhibited significantly improved visible light absorption compared to the pure BiOCl thin film. The BiOCl/g-C3N4 film showed a rhodamine B degradation efficiency of 81.0% under visible light, which is 23.8 times higher than that of the pure BiOCl thin film. This excellent photocatalytic activity of the BiOCl/g-C3N4 film can be attributed to its efficient electron–hole separation due to the presence of g-C3N4.

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Acknowledgements

This work was financially supported by the Major Projects of Natural Science Foundation of Anhui province (1808085ME129), Natural Science Research in Anhui Colleges and Universities (KJ2018ZD050), and Outstanding Young Talents Support Program in Colleges and Universities (gxyqZD2018056).

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Authors and Affiliations

  1. Key Laboratory of Functional Molecule Design and Interface Process, Anhui Jianzhu University, Hefei, 230601, Anhui, People’s Republic of China

    Wei-Qin Cai, De-Fang Zhang & Feng-Jun Zhang

  2. Anhui Key Laboratory of Advanced Building Materials, Anhui Jianzhu University, Hefei, 230022, Anhui, People’s Republic of China

    Feng-Jun Zhang

  3. Department of Advanced Materials Science and Engineering, Hanseo University, Seosan, 31962, South Korea

    Won-Chun Oh

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  1. Wei-Qin Cai
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  2. De-Fang Zhang
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Correspondence to Feng-Jun Zhang.

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Cai, WQ., Zhang, DF., Zhang, FJ. et al. Preparation and photocatalytic activity of a novel BiOCl/g-C3N4 thin film prepared via spin coating. J. Korean Ceram. Soc. 57, 331–337 (2020). https://doi.org/10.1007/s43207-020-00029-w

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  • DOI: https://doi.org/10.1007/s43207-020-00029-w

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