Investigation on Single-Molecule Junctions Based on Current–Voltage Characteristics
AbstractThe relationship between the current through an electronic device and the voltage across its terminals is a current–voltage characteristic (I–V) that determine basic device performance. Currently, I–V measurement on a single-molecule scale can be performed using break junction technique, where a single molecule junction can be prepared by trapping a single molecule into a nanogap between metal electrodes. The single-molecule I–Vs provide not only the device performance, but also reflect information on energy dispersion of the electronic state and the electron-molecular vibration coupling in the junction. This mini review focuses on recent representative studies on I–Vs of the single molecule junctions that cover investigation on the single-molecule diode property, the molecular vibration, and the electronic structure as a form of transmission probability, and electronic density of states, including the spin state of the single-molecule junctions. In addition, thermoelectronic measurements based on I–Vs and identification of the charged carriers (i.e., electrons or holes) are presented. The analysis in the single-molecule I–Vs provides fundamental and essential information for a better understanding of the single-molecule science, and puts the single molecule junction to more practical use in molecular devices. View Full-Text
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Isshiki, Y.; Matsuzawa, Y.; Fujii, S.; Kiguchi, M. Investigation on Single-Molecule Junctions Based on Current–Voltage Characteristics. Micromachines 2018, 9, 67.
Isshiki Y, Matsuzawa Y, Fujii S, Kiguchi M. Investigation on Single-Molecule Junctions Based on Current–Voltage Characteristics. Micromachines. 2018; 9(2):67.Chicago/Turabian Style
Isshiki, Yuji; Matsuzawa, Yuya; Fujii, Shintaro; Kiguchi, Manabu. 2018. "Investigation on Single-Molecule Junctions Based on Current–Voltage Characteristics." Micromachines 9, no. 2: 67.