Figure 6From: Green synthesis and synergistic catalytic effect ofAg/reduced graphene oxide nanocompositeAbsorbance vs. time for reduction of 4-NP with NaBH4. Time dependence of the absorbance at 400 nm for the catalytic reduction of 4-NP with NaBH4 by rGO or Ag/rGO nanocomposite. The inset indicates the variation of UV–vis absorption spectra with time for the catalytic reduction of 4-NP with NaBH4 by Ag/rGO nanocomposite.Back to article page