Journal
MATERIALS TODAY CHEMISTRY
Volume 33, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mtchem.2023.101753
Keywords
Nitrogen-doped zinc oxide; Solution combustion synthesis; Photocatalysis; Visible light active; Tetracycline
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This study proposes a novel method for synthesizing nitrogen-doped ZnO nano-particles and successfully improves the photocatalytic degradation efficiency of pollutants. Additionally, the study presents a pathway for catalyst regeneration, highlighting the potential of this method in the field of photocatalysis.
The effective functionalization of photocatalysts suitable for removing emerging contaminants poses a significant challenge. This study proposes a novel and rapid method for synthesizing in situ nitrogen-doped ZnO nano-particles to address these limitations. Using a combustion synthesis scheme, we modified the urea-to-sucrose ratio and oxide precursors to characterize the catalysts systematically. The resulting material exhibited a remarkable 40% increase in visible-light-driven photocatalytic degradation of tetracycline hydrochloride (TC-HCl) over undoped ZnO. A maximum photocatalytic efficiency of 74.7% (60 min) was achieved by incorporating 50% urea in the fuel, which provided N-ZnO with a size of 120 nm, a surface area of 26 m2/g, mesoporosity, and a bandgap of 2.89 eV. With the rapid synthesis, this work surpassed the values reported in the literature. Moreover, this study presents a pathway for catalyst regeneration, underscoring the significance of the method and its potential in photocatalysis.
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