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Phytochemically and PVP stabilized TiO2 nanospheres for enhanced photocatalytic and antioxidant efficiency by Nikesh Thakur; Naveen Thakur; Kuldeep Kumar is a Engineering article available to read on EtoBox.

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In this paper, TiO 2 NPs has been fabricated by via microwave-assisted chemically and biologically methods. The anatase and rutile phases of TiO 2 NPs were obtained by calcinating them at temperatures of 400 and 700 • C, respectively. In these two different approaches, the biomolecules like alkaloids, steroids, glycosides, etc. present in Tinospora Cordifolia (TC) and polyvinylpyrrolidone (PVP), respectively, have been reported to act as stabilizing agents for TiO 2 NPs. XRD, Raman, UV-visible, SEM-EDS and TEM spectroscopic techniques were used to analyze distinct physical and chemical properties. The so-synthesized TiO 2 NPs exist as tetragonal crystal lattice with spheroidal shape and sizes between 8 and 40 and 15-98 nm. Under the influence of UV light, the photocatalytic activity was examined against two common industrial dyes, methyl orange (MO) and methylene blue (MB) by using synthesized TiO 2 NPs. Up to 98% and even 100% of MO and MB dye degradation have been seen in rare circumstances. The antioxidant potential of TiO 2 NPs has been evaluated up to 91% and 74% from the biologically and chemically methods, respectively.

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Author

Nikesh Thakur; Naveen Thakur; Kuldeep Kumar

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)