Abstract
Photocatalysis has broad applications in pollution and related environmental issues. CuS shows broad absorption (600–1000 nm) and has application in dye photodegradation for toxic pollutants. In this study, CuS nanoparticles were synthesized using two copper precursors: CuCl2 and Cu(OAc)2. These nanoparticles were further coated with Ag using AgNO3 under light irradiation. The pure CuS and CuS/Ag core–shell nanoparticles were characterized by XRD, FESEM, UV–vis absorption, photoluminescence, and XPS. The results confirmed the formation of core–shell nanostructured CuS/Ag. The photocatalytic activity tested using methyl-blue dye. The enhanced degradation with core–shell nanoparticles shows their potential application as a catalyst for dye degradation.
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