Highly efficient degradation of tetracycline by activated peroxymonosulfate over MoS2/ZnO heterostructure nanocomposites
文献信息
Lili Wang, Yuyang Zhou, Haixiang Wang, Qiaoli Lu, Jinmei Wang, Dawei Gao
Antibiotics, such as tetracycline hydrochloride (TC), are persistent pollutants in the environment due to their difficult degradation properties. In this study, a MoS2/ZnO heterostructure nanocomposite was synthesized and evaluated for its photocatalytic performance in degrading TC under simulated sunlight irradiation. The degradation rate of TC in the MoS2/ZnO/PMS system reached 99.8% after 30 min, surpassing the rates observed in both ZnO and MoS2/ZnO systems. The presence of active species, including superoxide radicals (˙O2−), hydroxyl radicals (˙OH), sulfate (SO4˙−) and singlet oxygen (1O2), was confirmed through trapping experiments and electron paramagnetic resonance (ESR) analysis. The MoS2/ZnO heterostructure effectively suppressed the recombination of photogenerated charge carriers, leading to improved photocatalytic efficiency. The results demonstrate the potential of the MoS2/ZnO/PMS system as a low cost and efficient method for the removal of TC from water. This study contributes to the development of photocatalytic materials for the degradation of persistent organic pollutants in aqueous environments.
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New Journal of Chemistry

NJC (New Journal of Chemistry) is a broad-based primary journal encompassing all branches of chemistry and its sub-disciplines. It contains full research articles, communications, perspectives and focus articles. This well-established journal, owned by the Centre National de la Recherche Scientifique (CNRS) of France, has been co-published with the Royal Society of Chemistry since January 1998. NJC is the forum for the publication of high-quality, original and significant work that opens new directions in chemistry or other scientific disciplines. In addition to having a significant chemical component, work published in NJC must demonstrate that it will have an impact on areas of research other than that of the reported work.




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