InWO3 -TiO2 nanocomposite material was synthesised by co-precipitation method and sonication technique. The synthesized nanomaterial was characterized by FE-SEM with EDX, HR-TEM, XRD, FT-RAMAN, AFM and BET surface area measurements. The photocatalytic activity of InWO3-TiO2 nanocomposite material was studied from the photodegradation of malachite green (MAG) under UV-light irradiation. The photodegradation of MAG at various parameters are reported. The Photodegradation was found to follow the pseudo-first-order kinetics. The Hydroxyl radical formation in the mechanism was confirmed by fluorescence quenching technique. The antimicrobial activity of the prepared nanomaterials has also been investigated. Cyclic voltammeter (CV)) measurements analysis of the prepared nonamaterial was discussed in detail. It was proposed that the catalyst was found to be stable and reusable.
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