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Fabrication of Manganese Dioxide Nanoparticles in Starch and Gelatin Beds: Investigation of Photocatalytic Activity

Journal: Chemical Methodologies (Vol.8, No. 1)

Publication Date:

Authors : ; ; ;

Page : 37-46

Keywords : green fabrication; MnO2 Nanoparticles; Photocatalytic activity; Starch; Gelatin; X-ray diffraction;

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Abstract

This study utilized potassium permanganate and natural polymers starch and gelatin as stabilizing agents to the green fabrication of manganese dioxide nanoparticles MnO2-NPs for photocatalytic degradation of methylene blue. MnO2-NPs were characterized using UV-Vis spectroscopy, FT-IR, and X-ray diffraction spectroscopy, as well as Field Emission Scanning Electron Microscopy (FESEM). XRD confirmed the amorphous nature and purity of the nanoparticles. The photocatalytic activity of MnO2-NPs was examined by the degradation of methylene blue dye under neutral pH. Results showed 95% dye degradation within 45 minutes under repeat cycling, indicating the excellent photocatalytic performance. The green synthesis method and effective photocatalytic activity demonstrate of starch and gelatin-stabilized MnO2-NPs as sustainable photocatalysts for degradation of organic pollutants. The produced potential in the two beds with starch and gelatin was examined.

Last modified: 2024-01-01 16:14:51