Figure 2

Graphene/AgNF hybrid coating materials. (a) SEM image of graphene flakes on Si. (b) TEM image of graphene flakes. (c) High-resolution TEM image of graphene flakes in cross-section. (d) Raman spectrum of graphene flakes. (e) SEM image of AgNFs on Si. (f) SEM image of AgNFs that coalesced on graphene flakes after heat treatment.