Abstract
Zinc sulfide (ZnS) NPs were synthesized and loaded on Pongamia pinnata shell activated carbon (ZnS/PPSAC) using by a chemical precipitation method and its photocatalytic activity was evaluated by photodegradation of Rhodamine B (RhB) under sunlight irradiation. The synthesized products were characterized by X-ray diffraction, UV–Visible spectroscopy, photoluminescence, Fourier transform infrared spectroscopy, scanning electron microscopy with energy dispersive X-ray and N2-sorption BET surface area for their structures, band gaps, emission, hydroxyl groups, morphology and specific surface area. The various experimental parameters like amount of catalyst and contact time for efficient dye degradation of RhB were investigated. They ZnS/PPSAC revealed that the exhibit higher photodegradation efficiency via synergistic effect for other catalytic systems. This result is attributed to the increase of the separation of photogenerated electron–hole pairs on the surface of ZnS/PPSAC.
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More From: Journal of Materials Science: Materials in Electronics
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