Electron Transport in Molecular Wires

It was found that the intermolecular distance between single molecular units, the number of molecules connected in parallel as v as the interaction strength plays an important role for controlling the transport of electrons in molecule wire. 1) The HOMO-LUMO gap (HLG) of one single SAM unit is reduces when increasing N or decreasing d. 2) The (HLG) is a critical parameter for the molecular conductance. When HLG decreases, CG decreases.3) CG depends on d and N of SAMs. CG increases as d increases and decreases N increases.4) the magnitude of the current increases dramatically and CG remains constant as Gamma₁ and Gamma₂ increase.