Abstract
To enhance reusability and to maintain higher efficiency in degradation, Mn3O4/rGO nanocomposites were synthesized by a facile thermal treatment. Initially, Mn3O4 nanoparticles were prepared and analyzed by powder XRD and HR-SEM. The composition of manganese oxide was varied to obtain different nanocomposites. The Mn3O4 ions were found to be well anchored onto the rGO surface. The obtained samples were taken for the photodegradation studies with phenol as the pollutant. Under a dynamic mode, the absorption efficiency was found to be maximum for the MnsR0.75 sample for phenol.
Highlights
Discharge of organic wastes into local water bodies has been one of the most serious issues
Ramesh et al examined the catalytic efficiency of MnO2/rGO nanowires for the degradation of reactive red using a sono-Fenton-assisted process in the presence of H2O2 [23]
Qu et al used a suspension of GO/MnSO4 from the modified Hummers method to fabricate rGO/MnO2 to degrade methylene blue dye in the presence of H2O2 [24]
Summary
Discharge of organic wastes into local water bodies has been one of the most serious issues. Graphene was employed in this work to attain a higher surface area along with unique properties such as good conductivity, charge delocalization, chemical stability, and electron transfer properties thereby making it an excellent candidate for the purpose Graphene, with these qualities, could be considered a suitable material to be used in the degradation of organic pollutants [26, 33]. Journal of Nanomaterials metal oxides based on manganese have been extensively explored owing to their superior physical and chemical properties, low toxicity, and abundance The presence of their unique redox loops leads to a higher potential activity via the single electron transfer making its way to be a suitable catalyst [34]. This work is aimed at creating a metal oxide-based composite with the addition of a carbon support to facilitate a better degradation of phenol
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