Graphene oxide–metal oxide nanocomposites: fabrication, characterization and removal of cationic rhodamine B dye

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nanocomposites have the advantage of smaller band gaps, which result in increased adsorption capacity and photocatalytic effects. The results also showed the great effect of the examined GO-metal oxide nanocomposites on the decomposition of cationic rhodamine B dye, as indicated by steady-state absorption and fluorescence, time correlated single photon counting and nanosecond laser photolysis techniques. The antibacterial activity of the fabricated GO and GO-metal oxides has been studied against Gram-positive and Gram-negative bacteria.