Fig. 3From: Direct Synthesis of Graphene Dendrites on SiO2/Si Substrates by Chemical Vapor DepositionSEM images of tree-like graphene dendrites synthesized on the Si surface (a–c) and on the SiO2 surface (d–f) of the SiO2/Si substrates for the different growth time from 30 to 120 min at 1050 °CBack to article page