Pure and Aluminium substituted zinc ferrite catalysts were prepared by the co-precipitation method successfully. The structural and optical properties of materials were characterized by powder X-Ray Diffraction (XRD), scanning electron microscopy (SEM), Energy Dispersive X - Ray Spectroscopy (EDAX), Fourier transform infrared (FTIR) and UV–visible spectrophotometer (UV–vis). In XRD analysis, with increase in the concentration of Al-ZnFe2O4 crystalline size increases while the lattice constant decreases. The two absorption bands
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