A new application for simultaneous phosphorus compounds removal and antibiotics degradation over magnesium-based layered double hydroxides

IF 4.1 3区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Photochemistry and Photobiology A-chemistry Pub Date : 2025-02-06 DOI:10.1016/j.jphotochem.2025.116329

Yanhui Zhang, Hao Zhou, Yisha Zheng, Wenlong Xiang

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Abstract

Magnesium-based layered double hydroxides (MgM-LDHs, M = Al, Ga, In) were synthesized by one-step coprecipitation method, which is a simple and mass-production method. The catalytic performance of MgAl-LDHs, MgGa-LDHs and MgIn-LDHs in the photocatalytic degradation of antibiotics (ciprofloxacin and tetracycline hydrochloride) was systematically investigated. The results showed that the photocatalytic activities of MgAl-LDHs, MgGa-LDHs and MgIn-LDHs were comparable, but MgAl-LDHs exhibited superior degradation efficiency of antibiotics. Through control experiments, the possible mechanism of photocatalytic degradation of antibiotics by MgAl-LDHs was elucidated. Furthermore, it was observed that the adsorption of phosphorus compounds by MgAl-LDHs significantly enhances its photocatalytic activity in degrading ciprofloxacin. This finding suggests that incorporating phosphorus compounds into MgAl-LDHs can improve their efficacy in water pollution control. Overall, our work extends the application scope of MgM-LDHs (M = Al, Ga, In) and underscore the significance of active participation in water pollution control research to mitigate adverse effects on human health.

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来源期刊

Journal of Photochemistry and Photobiology A-chemistry 化学-物理化学

CiteScore

7.90

自引率

7.00%

发文量

580

审稿时长

48 days

期刊介绍： JPPA publishes the results of fundamental studies on all aspects of chemical phenomena induced by interactions between light and molecules/matter of all kinds. All systems capable of being described at the molecular or integrated multimolecular level are appropriate for the journal. This includes all molecular chemical species as well as biomolecular, supramolecular, polymer and other macromolecular systems, as well as solid state photochemistry. In addition, the journal publishes studies of semiconductor and other photoactive organic and inorganic materials, photocatalysis (organic, inorganic, supramolecular and superconductor). The scope includes condensed and gas phase photochemistry, as well as synchrotron radiation chemistry. A broad range of processes and techniques in photochemistry are covered such as light induced energy, electron and proton transfer; nonlinear photochemical behavior; mechanistic investigation of photochemical reactions and identification of the products of photochemical reactions; quantum yield determinations and measurements of rate constants for primary and secondary photochemical processes; steady-state and time-resolved emission, ultrafast spectroscopic methods, single molecule spectroscopy, time resolved X-ray diffraction, luminescence microscopy, and scattering spectroscopy applied to photochemistry. Papers in emerging and applied areas such as luminescent sensors, electroluminescence, solar energy conversion, atmospheric photochemistry, environmental remediation, and related photocatalytic chemistry are also welcome.