Abstract
Photocatalytic technology has the advantages of high efficiency, mild reaction conditions, low cost, and minimal secondary contamination in antibiotic degradation. Bismuth oxyhalides(BiOX) has garnered considerable attention and application as a photocatalyst, due to its suitable band gap and light capture capability. In this study, we successfully synthesized the BiOI0.5Cl0.5 (BCI) material through hydrothermal treatment. Furthermore, Molybdenum (Mo) atoms were diffused into the composite to form Mo-doped Mo@BiOI0.5Cl0.5. Various techniques were employed to characterize the structures, chemical compositions, and morphologies of the obtained materials.The photocatalytic performance of the obtained materials was investigated, revealing that MBCI-3 exhibited superior performance in the photocatalytic degradation of contaminants. Over a span of 20 min, 100% of rhodamine B and 86.0% of tetracycline were successfully removed from water. The enhancement in photocatalytic performance can be attributed to the alteration in the band gap of the BCI complex, leading to improved light absorption, while the incorporation of Mo atoms expedites electron transfer. Finally, the role of h+ and O2•- radicals in photocatalytic degradation was verified through radical trapping experiments.
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