Fig. 4From: Copper-Assisted Direct Growth of Vertical Graphene Nanosheets on Glass Substrates by Low-Temperature Plasma-Enhanced Chemical Vapour Deposition ProcessSEM and TEM images of a VG film. a Cross-sectional SEM image of a crispate VG film. b TEM image of a VG nanosheet structure on the VG film. The VG film was grown for 8 minBack to article page