Abstract
In this study, Bi2O3 nanoparticles are prepared via an impregnation method and modified using multi-walled carbon nanotubes (MWCNTs) and PW12. XRD reveals that the prepared Bi2O3 corresponded to the monoclinic α-phase. SEM results reveal that the composite consists of a series of nanosheets with flower-like structures. In this study, malachite green (MG) is used as a simulated contaminant to test the degradation capability of the compound under sunlight, and the effect of PW12 do** on the photocatalytic properties of the sample is investigated. The results show that the degradation kinetic constant of 0.3 PW12/MWCNTs/Bi2O3 (0.8125 h−1) is about 3 times that of Bi2O3 (0.2767 h−1). The ternary complex containing 30% PW12 has a degradation rate of 95% in 2.5 h. h+ and \(^\cdot {\text{O}}_2^-\) were the major active species in the photocatalytic degradation of MG.
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Acknowledgements
This study was supported by the Doctoral Research Initiation Fund Project of Jilin Provincial Department of Science and Technology (20210203023SF), Fund Project of Jilin Province Development and Reform Commission (2021C036-4), Fund Project of Jilin Engineering Normal University (BSKJ201914, BSKJ202107).
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Liu, G., Liu, L., Zhou, Y. et al. Photocatalytic degradation of malachite green based on PW12/MWCNTs/Bi2O3 composite photocatalyst. J IRAN CHEM SOC 21, 877–885 (2024). https://doi.org/10.1007/s13738-024-02968-1
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DOI: https://doi.org/10.1007/s13738-024-02968-1