Figure 8
From: Highly Sensitive NH3 Wireless Sensor Based on Ag-RGO Composite Operated at Room-temperature
Schematic diagram of the principle of NH3 gas sensing by reduced graphene oxide: (a) Ag-RGO in air. (b) Ag-RGO accepts electrons in an NH3 atmosphere. (c) The number of holes of graphene decreases. (d) Ag-RGO returns to the original state.
