Abstract
A new fuel of Spondias mombin (hog plum) assisted, simple, environment friendly, cost-effective combustion synthesised ZnWO4–CuWO4 composite has been adopted for the photocatalytic dye degradation and nitrite sensing. The elemental, structural and morphological analysis of the composite has been carried out using wide range of techniques. Band gap energy and surface area are calculated with the help of UV-DRS and BET results. The photocatalytic study of binary tungstate ZnWO4–CuWO4 has showed better enhanced results compared to individual tungstates towards methylene blue (MB) dye degradation in the presence of visible light interactions. It is more suitable in the acidic environment for the effluent's removal. Despite of the phonon's contribution, higher mobility could be achievable due to more excited electrons and holes in a catalytic reaction. The detection limit of 26.09 μM for the detection of 5 mM nitrite possible with the ZnWO4– CuWO4 nanocomposite modified glassy carbon electrode (GCE).
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