3D Plasmonic Ensembles of Graphene Oxide and Nobel Metal Nanoparticles with Ultrahigh SERS Activity and Sensitivity

Figure 2

((a), (b)) TEM images of GO/AgNPs. ((c), (d)) TEM images of GO/GNPs. Black arrows indicate the GO nanosheets.

(a)  

(b)

(c)

(d)