An environmentally friendly nanocomposite polypyrrole@silver/reduced graphene oxide with high catalytic activity for bacteria and antibiotics

In this study, PPy@Ag/rGO nanocomposites were successfully synthesized via the one-pot hydrothermal method using graphene oxide, pyrrole monomer and silver nitrate. The structures morphologies of as-obtained ternary systematically investigated by scanning electron microscopy (SEM) transmission microscope (TEM). It was found that PPy@Ag NPs well distributed on reduction oxide nanoflakes. minimum inhibitory concentration (MIC) demonstrated had enhanced antimicrobial efficiency with Gram-negative (Escherichia coli) bacteria compared at same silver. From liquid antibacterial cycle experiments, addition polypyrrole contributes to stability nanosilver reducing loss nanosilver. After several cycles, rate nanomaterials can still be maintained above 90%. addition, photocatalytic degradation tetracycline (TC) under visible light displayed composite good activity catalytic stability.