Fig. 4: Working mechanism of the Ru-oDAE single-molecule FETs.
From: Dual-gated single-molecule field-effect transistors beyond Moore’s law
a Gate-dependent zero-bias transmission spectra at −2.0 V ≤ VG ≤ 0 V with steps of 0.5 V. The downward triangles mark the p-HOMO for each case. b Energy gaps between the p-HOMO and the graphene Fermi level at various gate voltages. c Schematic energetic diagram showing the alignments between the molecular orbitals (red and blue lines) and the density of graphene electrodes in Ru-oDAE single-molecule transistors under application of different gate voltages.
