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Vol. 30 No. 6 (2018): Vol 30 Issue 6

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Facile Synthesis of Graphene Oxide-Nano Titania Composites and Evaluation for Visible Light Assisted Photocatalytic Degradation of Rhodamine B

https://doi.org/10.14233/ajchem.2018.21219
Soma Sekhar Ryali
Department of Chemistry, Anil Neerukonda Institute of Technology & Sciences (A), Visakhapatnam-531 162, India; Department of Chemistry, Jawaharlal Nehru Technological University, Kakinada-533 003, India
Paul Douglas Sanasi
Department of Engineering Chemistry, AU College of Engineering (A), Andhra University, Visakhapatnam-530 003, India

Corresponding Author(s) : Soma Sekhar Ryali

somasekhar.chemistry@anits.edu.in

Asian Journal of Chemistry, Vol. 30 No. 6 (2018): Vol 30 Issue 6

Abstract

Nano titania composite materials exfoliated with varying weight percentage of graphene oxide were synthesized and evaluated for visible light assisted photocatalytic degradation of rhodamine-B. Titanium tetrachloride was hydrolyzed in water medium under organic solvent free conditions followed by ultrasonic addition of the as prepared 1 % aqueous solution of graphene oxide. The morphology and structural properties of the composite materials (1, 2, 5, 10, 15 wt % graphene oxide-nano titania) prepared has been characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), UV-visible diffuse reflectance spectra (UV-Vis DRS), high resolution transmission electron microscope (HRTEM), field emission-scanning electron microscopy (FESEM) and UV-visible spectroscopy. A superior activity was observed with 10 mg of 10 % graphene oxide-nano titania composite material. The 100 % degradation of rhodamine-B was observed in 60 min and other optimum conditions were established.

Keywords

Graphene Oxide Nano titania Photocatalytic activity Rhodamine-B
Ryali, S. S., & Sanasi, P. D. (2018). Facile Synthesis of Graphene Oxide-Nano Titania Composites and Evaluation for Visible Light Assisted Photocatalytic Degradation of Rhodamine B. Asian Journal of Chemistry, 30(6), 1284–1290. https://doi.org/10.14233/ajchem.2018.21219
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