Oxygenated terminals of milky sap of <i>Calotropis procera</i> transformed 1D ZnO structure to 0D nanoparticles for enhanced photocatalytic degradation of malachite green and methylene blue - Université de Lorraine Accéder directement au contenu
Article Dans Une Revue Journal of Materials Science: Materials in Electronics Année : 2023

Oxygenated terminals of milky sap of Calotropis procera transformed 1D ZnO structure to 0D nanoparticles for enhanced photocatalytic degradation of malachite green and methylene blue

Muhammad Ali Bhatti
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Aneela Tahira
Ayman Nafady
Brigitte Vigolo

Résumé

The use of plant extract for the synthesis of nanomaterials has been preferred over conventional growth techniques due to its safety, simple, ecofriendly, cost effective and biocompatibility properties. The present study includes environmentally friendly approach for synthesis of ZnO-NPs using milky sap of calotropis procera (CP) parts. The biosynthesized ZnO-NPs were investigated in terms of crystalline, morphology, and optical characterization. The CP has resulted spherical shaped oriented nanoparticles, hexagonal phase and significantly reduced crystallite size of -26.1 nm. The photodegradation of malachite green (MG) and methyl blue (MB) dye under the illumination of UV light was investigated using biosynthesized ZnO-NPs. The effect of different volume of milky sap of CP was considered as a point of care to demonstrate its role towards the enhancement of photodegradation effectiveness of ZnO against two different organic dyes like malachite and methylene blue owing their issues raised for aquaculture and worsen environmental impacts. The degradation of both dyes was followed by pseudo first order kinetics and highest volume of milky sap of CP has given out high rate constant value. The degradation efficiency of milky sap of CP assisted ZnO nanostructures was found about 85.3% and 86.3% for MG and MB respectively. However, we studied the effect of pH of dye solution on the photocatalytic performance of ZnO and it has revealed highly enhanced degradation efficiency. The increased functionality of ZnO was connected to the reduced particle size, optical band gap, and tunable surface properties with the use of terminal oxygenated groups.

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Chimie
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Dates et versions

hal-04222027 , version 1 (28-09-2023)

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Muhammad Ali Bhatti, Aneela Tahira, Ahmed Ali Hullio, Umair Aftab, Ayman Nafady, et al.. Oxygenated terminals of milky sap of Calotropis procera transformed 1D ZnO structure to 0D nanoparticles for enhanced photocatalytic degradation of malachite green and methylene blue. Journal of Materials Science: Materials in Electronics, 2023, 34 (10), pp.929. ⟨10.1007/s10854-023-10290-4⟩. ⟨hal-04222027⟩
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