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Effect of Cu-based metal organic framework (Cu-MOF) loaded with TiO2 on the photocatalytic degradation of rhodamine B dye

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Abstract

Using copper nitrate trihydrate as the copper source, TiO2@Cu-MOF nanocomposites were prepared by a one-step crystallization method, and the effect of the amount of TiO2 loaded on the adsorption of rhodamine B was studied. X-ray diffraction (XRD), scanning electron microscope (SEM), energy spectrometer (EDS), N2 adsorption-desorption (BET), and infrared spectroscopy (FTIR) were used to characterize the microstructure and surface properties of composite materials. The results show that the composite material not only has a good degradability for rhodamine B, the decolorization rate reaches 98.03% after 120 min, but it also maintains a good cycle performance. Fitting the first-order kinetic equation to the reaction process, under the optimal conditions, R2 = 0.98, indicating that the reaction process conforms to the first-order kinetic equation. Therefore, the catalyst has good catalytic degradation and cycle performance.

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Funding

This work was supported by the key research projects of colleges and universities in Henan Province (19A530002), Key Laboratory of carbon Green Conversion in Henan Province, China (662413/002/001 and CGCF201804), and Distinguished Foreign Scientist Workshop on carbon Green Conversion (GZS20200012).

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, 454003, Henan, People’s Republic of China

    Xiaoxiao Xue, Yujing Weng, Shicheng Yang, Shihang Meng, Zhengting Zhang, Guiyun Yi & Yulong Zhang

  2. Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, 454003, Henan, People’s Republic of China

    Xiaoxiao Xue, Yujing Weng, Shicheng Yang, Shihang Meng, Zhengting Zhang, Guiyun Yi & Yulong Zhang

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  1. Xiaoxiao Xue
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  2. Yujing Weng
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  3. Shicheng Yang
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  4. Shihang Meng
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  5. Zhengting Zhang
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  6. Guiyun Yi
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  7. Yulong Zhang
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Contributions

This manuscript was contributed by all authors. All the authors have ratified the manuscript. Xue Xiaoxiao compiled the manuscript; Yang Shicheng, Zhang Zhengting, and Meng Shihang collected data and information; Yi Guiyun verified the availability of the data and information; Weng Yujing and Zhang Yulong reviewed the manuscript and provided sources of funding. All authors have participated in the work of this manuscript and agreed to the publication of this paper in your journal.

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Correspondence to Xiaoxiao Xue, Yujing Weng or Yulong Zhang.

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Responsible editor: Sami Rtimi

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Xue, X., Weng, Y., Yang, S. et al. Effect of Cu-based metal organic framework (Cu-MOF) loaded with TiO2 on the photocatalytic degradation of rhodamine B dye. Environ Sci Pollut Res 28, 15883–15889 (2021). https://doi.org/10.1007/s11356-020-11805-w

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  • DOI: https://doi.org/10.1007/s11356-020-11805-w

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