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Porous Cd0.5Zn0.5S nanocages derived from ZIF-8: boosted photocatalytic performances under LED-visible light

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Abstract

A facile strategy was adopted to prepare porous Cd0.5Zn0.5S (CZS-X) nanocages by sulfurizing the rhombic dodecahedral ZIF-8 as precursor with thioacetamide (TAA) at different durations (0, 1, 3, 5 h), in which the fabrication mechanism of the porous CZS-X nanocages was clarified. The photocatalytic activities of CZS-X for Cr(VI) elimination and organic pollutant decomposition were assessed. The results revealed that CZS-3 exhibited optimal photocatalytic activity under visible light along with satisfied recyclability and stability after several runs’ operation. As well, the CZS-3’s photocatalytic cleanup abilities toward both Cr(VI) and organic pollutants were explored in different actual water bodies to clarify the influence of different foreign ions. Finally, the intrinsic photocatalysis mechanism of CZS-X was verified.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgments

We would like to thank Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation.

Funding

This work was supported by the National Natural Science Foundation of China (51878023), Beijing Natural Science Foundation (No. 8202016), Great Wall Scholars Training Program Project of Beijing Municipality Universities (CIT&TCD20180323), and Beijing Talent Project (2019A22).

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Authors and Affiliations

  1. Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation, School of Environment and Energy Engineering, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China

    Lin Wu, Huifen Fu, Qian Zhao, Peng Wang & Chong-Chen Wang

  2. College of Materials Science and Engineering, Beijing University of Technology, Chaoyang District, Beijing, 100124, China

    Qi Wei

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  1. Lin Wu
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  2. Huifen Fu
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  3. Qi Wei
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Contributions

LW, QZ: syntheses, characterization of samples, and measurements and analysis of experiments. WQ: visualization and software. PW: resources. CCW, HFF: conceptualization, funding acquisition, supervision, project administration, writing—review and editing. All the authors contributed to the preparation of the manuscript.

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Correspondence to Chong-Chen Wang.

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Wu, L., Fu, H., Wei, Q. et al. Porous Cd0.5Zn0.5S nanocages derived from ZIF-8: boosted photocatalytic performances under LED-visible light. Environ Sci Pollut Res 28, 5218–5230 (2021). https://doi.org/10.1007/s11356-020-10812-1

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