Fig. 7
From: Graphene Oxide-Based Nanocomposites Decorated with Silver Nanoparticles as an Antibacterial Agent
Scanning electron microscopy images of a, b non-coated polyurethane foil with a smooth surface with single impurities; c, d foil coated with GO, the broken-down GO flakes deposited on the polyurethane foil surface; e, f foil coated with Ag-NPs on which grid structures composed of polyvinyl alcohol and Ag-NPs are observed; and g, h foil coated with GO-Ag, which was mixed under the influence of ultrasounds and deposited on the foil surface