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In this paper, we report the synthesis of zinc indium sulfide (ZnIn 2 S 4 ) microspheres synthesized via a low-temperature route, and the as-synthesized material was used for photocatalytic degradation of malachite green (MG), methyl orange (MO), and Direct Red 80 (DR-80) dyes. The as-synthesized material was characterized by powder X-ray diffraction and field-emission scanning electron microscopy for studying the crystal structure and surface morphology, respectively. Fourier transform infrared spectroscopy was performed to determine the functional groups attached. UV–Visible absorption spectrometry was done for light absorbance and band gap analysis, and Mott–Schottky analysis was performed to determine the nature and flat band potential of the material. A scavenger study was performed to analyze the active species taking part in the degradation process. The reusability of the material was tested up to four cycles to check the reduction in efficiency after each cycle. A time-correlated single-photon counting study was performed to observe the average lifetime of generated excitons during photocatalysis. It was found that the as-synthesized porous sample is more efficient in degrading the cationic dye than anionic dyes, which is further explained in the article.

Achieved highest photocatalytic performance of 2D/2D BiOCl/WS₂ (2%) hybrid nanosheets for MG degradation (∼98.4% in 45 min) and Cr(vi) reduction.

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