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Volume 1 - Issue 1 : Year 2019

Research Paper .

A novel porous Titanosilicate/Vanadium pentoxide (V2O5)-Zinc oxide (ZnO) nanocomposite photocatalyst: Synthesis and characterization

Ajay Kumar Adepu, Srinath Goskula, Suman Chirra, Suresh Siliveri, Sripal Reddy Gujjula, N. Venkatathri*

Department of chemistry, National Institute of Technology, Warangal 506 004, Telangana, India.

Catalytica 1 / 1 (2019) 31 – 39.

© Applied Science Innovations Private Limited, India.

Full Text (OPEN ACCESS) : Catalytica-8-1-1-2019-31-39.pdf

Published On : 14-08-2019 23:14:00

Possible mechanism of Photochemical dye degradation


A novel porous titanosilicate/V2O5-ZnO ternary nanocomposite is synthesized by the thermal decomposition method. The structural and morphological properties of the nanocomposites are analyzed by powder X-ray diffraction (PXRD), Scanning electron microscopy-Energy dispersive X-ray analysis (SEM/EDAX), Fourier transform Infrared spectroscopy and Diffuse reflectance Ultraviolet-Visible spectroscopic analysis. The SEM image shows that the composites are having a morphology of Nanorods with spherical shaped particles. The absorption edge in the visible region is shown by UV–Visible spectroscopy. The nanocomposites are expected to increases the charge separation and lifetime of the photogenerated electron-hole pairs, which enhances the photocatalytic degradation of dyes. A plausible structure of the composite is also proposed.

Keywords: Porous Titanosilicate; Nanocomposites; Photocatalyst; Synthesis; Characterization; Electron microscopy