| Summary: | Photocatalytic degradation of organic compounds using semiconductor oxide materials has attracted increased attention in the recent decades. Both the catalysts and light play an important role in the photocatalytic degradation process. This research work focuses on the synthesis of BaWO<sub>4</sub>/MoS<sub>2</sub> composite using green chemical method and its use in the degradation of Eriochrome black-T dye. Synthesized BaWO<sub>4</sub>, and BaWO<sub>4</sub>/MoS<sub>2</sub> composites were characterized by XRD, XPS, Raman, SEM, TEM, BET and UV-Vis characterizations techniques. BaWO<sub>4</sub>/MoS<sub>2</sub> composite exhibits superior photocatalytic performance towards Eriochrome black-T degradation than BaWO<sub>4</sub>. Superior photocatalytic activity of BaWO<sub>4</sub>/MoS<sub>2</sub> composite corresponds to enhanced light absorption, effective charge generation, separation, and minimum recombination of photogenerated charge carriers.
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