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Jarvin Mariadhas,Sarojini Jeeva Panchu,Hendrik C. Swart,Daniel Rani Rosaline,Govindasamy Murugadoss,Durai Govindarajan,Soorathep Kheawhom,Savairoyan Stephen Rajkumar Inbanathan,Awais Bokhari,Lai Fatt 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.128 No.-
Dangerous non-biodegradable compounds are released into the environment due to the increased humanpopulation and industrialization. A simple green synthesis approach of novel silver (Ag)-doped copperoxide (CuO) anchored graphene oxide (GO) nanosheets (Ag-CuO@GO) via energy-efficient microwaveheating method has been developed for photocatalytic and antimicrobial applications. Tea extract is usedas a capping and reducing agent. The prepared Ag-CuO@GO nanocomposites (NCs) used for photocatalyticand antimicrobial activities are investigated systematically. The highly crystalline, wellinterconnectedAg-CuO nanoparticles (NPs) over GO provide an enhanced surface area of 24.1 m2/gand an efficient pore diameter of 15.1 nm with more active sites. A reduced optical bandgap (Eg) of1.48 eV obtained for the Ag-CuO@GO NCs, less than that of the bare and Ag-CuO, indicates that it canfunction as an efficient photocatalyst by harvesting solar energy. As demonstrated by the suppressedPL of the ternary Ag-CuO@GO nanocatalysts, additional of Ag and GO can efficiently separate the chargecarriers. Ag-CuO@GO exhibited an 89% increase in the dye removal rate of MB dye and high antimicrobialactivity against S.aureus, E.coli and Candida albicans that that of bare CuO and binary NCs. The synthesizednovel Ag-CuO@GO NCs show promise as potential photocatalysts for the pollutant degradation andantimicrobial activity.