Fig. 5

SEM images of (a) pigment-xanthan, (b) silver-NPs, (c) graphene oxide-NPs, (d) silver-graphene-NPs, (e) pigment-xanthan-Ag-NPs, (f) pigment-xanthan-GO-NPs and (g) pigment-xanthan-Ag/GO-NPs.

SEM images of (a) pigment-xanthan, (b) silver-NPs, (c) graphene oxide-NPs, (d) silver-graphene-NPs, (e) pigment-xanthan-Ag-NPs, (f) pigment-xanthan-GO-NPs and (g) pigment-xanthan-Ag/GO-NPs.