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Microwave-assisted hydrothermal assembly of 2D copper-porphyrin metal-organic frameworks for the removal of dyes and antibiotics from water

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Abstract

Adsorption and photocatalysis are promising strategies to remove pollutants of dyes and antibiotics from wastewater. In this study, we demonstrate a rapid microwave-assisted hydrothermal route for the assembly of 2D copper-porphyrin Metal-Organic Frameworks (Cu-TCPP MOFs) within 1 h. The resulting 2D Cu-TCPP nanosheets with excellent crystallinity and a large surface area (342.72 m2/g) exhibited outstanding adsorption performance for typical dyes with adsorption capacities of about 185 mg/g for rhodamine B, 625 mg/g for methylene blue, and 290 mg/g for Congo red, respectively, as well as for representative antibiotics with adsorption capacities of about 130 mg/g for oxytocin, 150 mg/g for tetracycline, and 50 mg/g for norfloxacin, respectively. Meanwhile, the as-prepared 2D Cu-TCPP showed good photocatalytic degradation activity of pollutants after adsorption under irradiation by visible light, reaching removal efficiencies of 81.2 and 86.3% toward rhodamine B and norfloxacin, respectively. These results demonstrate the promising potential of 2D Cu-TCPP for use in the removal of contaminants from wastewater.

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Funding

This work was financially supported by Shenzhen Science and Technology Innovation Committee (Grant No. JCYJ20180504165648211), Shenzhen Peacock Plan (KQJSCX20180322151507786 and KQTD2016022619584022), and Guangdong Basic and Applied Basic Research Foundation (Grant No. 2019A1515111042). Additional supports were provided by the Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control (Grant No. 2017B030301012) and Guangdong Province Universities and Colleges Pearl River Scholar Funded Scheme 2018.

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Correspondence to Shun Li, Xuanjun Zhang or Zuotai Zhang.

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Responsible Editor: Tito Roberto Cadaval Jr

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Zhao, S., Li, S., Zhao, Z. et al. Microwave-assisted hydrothermal assembly of 2D copper-porphyrin metal-organic frameworks for the removal of dyes and antibiotics from water. Environ Sci Pollut Res 27, 39186–39197 (2020). https://doi.org/10.1007/s11356-020-09865-z

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  • DOI: https://doi.org/10.1007/s11356-020-09865-z

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