Figure 5.
Fabrication of triboelectric nanogenerator: (a) Schematic diagram of graphene based flexible and transparent triboelectric device. Right, photograph of graphene/EVA/FTPs used in triboelectric nanogenerator showing high degree of flexibility. (b) Schematic diagram of a corona charging setting, (c) distribution plot of surface charge after corona charging. (d) A vibration plot of graphene/EVA/FTPs based triboelectric device at the vibration source of 45 Hz.