Comparative Study over Degradation of Direct Green 6 by using Synthesized Magnesium Aluminate and Magnesium Zincate Nanoparticles
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 5
Abstract
Magnesium Aluminate (MgAl2O4) and Magnesium Zincate (MgZnO4) nanoparticles were synthesized by solution combustion method, which were used as photocatalyst for the degradation of water containing direct green 6 (DG6). These synthesized nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), UV-absorption spectroscopy and FT-IR spectra studies. It was calculated that the corresponding band gap was found to be 2.9eV and 3.07eV respectively and also average crystalline size was found to be 13nm and 28nm. Photocatalytic degradation was determined against DG6 by varying parameters such as, catalyst concentration, pH, and dye concentration. From these experimental results we know that, the maximum degradation was found to be 97.99% for MgAl2O4 nanoparticle and 94.64% for MgZnO4 nanoparticle. Hence the efficiency of photodegradation of DG6 dye by using MgAl2O4 and MgZnO4 nanoparticles was ascertained.
Authors and Affiliations
Shilpa G, Yogendra K, Mahadevan K. M, Madhusudhana N, Santhosh A. M
Keywords
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