Publications by authors named "Fatima Zahra Janani"

MnO/ZnO-AlO-CeO catalyst was synthesized through a solid-state process from a 3% Mn-doped Zn-(Al/Ce) layered double hydroxide structure. Detailed structural and optical characterization using XRD, FTIR, UV-visible DRS, and TEM was conducted. By investigating clofibric acid (CA) degradation in aqueous solution, MnO/ZnO-AlO-CeO photocatalytic activity was evaluated.

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Indium(III)-doped AgPO (In-AgP) catalysts at different weight percentages were elaborated by co-precipitation and subjected to XRD, SEM, UV-vis DRS, and FTIR characterization. The prepared catalysts were of spherical morphology and their diameters depends on doping dosage. The whole materials crystallize in a centered cubic system with a slight dissimilation in the positions of the characteristic peaks as a function of indium dosage.

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Article Synopsis
  • The study developed MgO-LaO mixed-metal oxides as photocatalysts for breaking down organic pollutants, focusing on various La concentrations in layered double hydroxide precursors and assessing their performance via multiple characterization techniques.
  • Photocatalytic tests showed that the optimal catalyst (MgO-LaO with 10% La) achieved degradation efficiencies of 97.4% for tartrazine and 93.87% for patent blue under UV-visible light within 150 minutes.
  • Advanced methods, like response surface methodology and gradient boosting regression, were utilized to analyze factors affecting degradation efficiency, achieving high predictive accuracy and strong correlation with experimental data.
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In this study, ZnO-ZnTiO (ZTM) material was prepared through a novel synthesis method based on a ultrasound-assisted polyol-mediated process followed by calcination at a different temperature. Physical features of the samples were studied by using various analysis techniques including XRD, FT-IR, SEM/EDX, pH, and UV-Vis DRS. Subsequently, the materials were employed as catalysts for the photocatalytic degradation of clofibric acid as a model pharmaceutical contaminant.

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