Research / 2020 / Article / Fig 4

Research Article

Graphene/Semiconductor Heterostructure Wireless Energy Harvester through Hot Electron Excitation

Figure 4

The performance characterization of the graphene/semiconductor heterostructure wireless energy harvester. (a)I-V characteristic of PN Si with the RF source off. (b) I-V characteristic of graphene/AlN/Si with the RF source off. (c) I-V characteristic of graphene/Al2O3/Si with the RF source off. (d) The current variation of the Si wireless generator when switching the RF source off and on. (e) The current variation of the graphene/AlN/Si wireless generator when switching the RF source off and on. (f) The current variation of the graphene/Al2O3/Si wireless generator when switching the RF source off and on.