Abstract
The effect of solvents on the structural, optical and photocatalytic properties of SnO2 nanostructures, synthesized using precipitation method, was investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM), Energy Dispersive X-ray spectroscopy (EDS) and photoluminescence (PL) spectroscopy. The tetragonal rutile structure of the synthesized samples with average crystallite size ranging from 23 nm to 6 nm has been confirmed using XRD. The morphological and elemental composition of the synthesized samples was analyzed using SEM equipped with EDS. The room temperature PL spectra showed the variation in emission in the visible region with the change in the number of defects in the samples. The photocatalytic degradation of Methylene blue (MB) dye was investigated using SnO2 nanostructures. The photocatalytic study revealed that the reaction rate constant came out to be highest in case of IPA as compared to DI and ethanol due to the formation of small size nanostructures and the oxygen vacancies produced in it.
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