Abstract
This study investigates the photocatalytic and antibacterial properties of zinc oxide nanoparticles (ZnO NPs) synthesized using Datura metel (D. Metel) leaf extract and characterized by XRD, UV–Vis, FTIR, and FESEM with EDX. The XRD analysis confirmed the hexagonal crystalline structure (average size 23.67 nm). UV–Vis analysis revealed a 3.25-eV direct band gap. FTIR spectrum exhibited strong absorption band at 539.03 cm−1 related to ZnO. The FESEM images exhibited presence of spherical ZnO nanoparticles. EDX spectrum illustrates the presence of Zn and O elements confirming the pristine nature of ZnO nanoparticles. In sunlight exposure of 80 and 100 min, ZnO NPs exhibited 98.29% and 86.65% degradation efficiency for methylene blue and methyl orange. Antibacterial tests demonstrated significant efficacy against Bacillus cereus, resulting in a 6-mm inhibition zone. This eco-friendly approach highlights ZnO NPs’ potential in dye degradation and antibacterial applications.
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K. Akila: Conducted the experimental work, including the synthesis of zinc oxide nanoparticles and to conduct the photocatalytic activity and also to perform the bactericidal activity analysis.
S. Thambidurai: Conceptualization of the study, experimental design, data analysis and manuscript & writing.
N.Suresh: Contributed to the manuscript & writing, including the literature review and discussion sections.
K.M.Prabu*: Supervision of the entire research project, provided guidance, and assisted with data analysis and reviewed the final manuscript.
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The research work, titled “Photocatalytic and Bactericidal Activity of Zinc Oxide Nanoparticles Biosynthesized with Datura Metel Leaf Extract” did not involve human or animal subjects. Therefore, ethical approval, consent to participate, and consent to publish are not applicable. No ethical committees or internal review boards were involved in the research process.
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Akila, K., Thambidurai, S., Suresh, N. et al. Photocatalytic and bactericidal activity of zinc oxide nanoparticles biosynthesized with Datura metel leaf extract. Ionics 30, 3637–3649 (2024). https://doi.org/10.1007/s11581-024-05457-w
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DOI: https://doi.org/10.1007/s11581-024-05457-w