Details

Autor(en) / Beteiligte

• Quan, Robert
• Pitler, Christopher S
• Ratner, Mark A
• Reuter, Matthew G

Titel

Quantitative Interpretations of Break Junction Conductance Histograms in Molecular Electron Transport

Ist Teil von

• ACS nano, 2015-07, Vol.9 (7), p.7704-7713

Ort / Verlag

United States: American Chemical Society

Erscheinungsjahr

2015

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• We develop theoretical and computational tools for extracting quantitative molecular information from experimental conductance histograms for electron transport through single-molecule break junctions. These experimental setups always measure a combination of molecular conductance and direct electrode–electrode tunneling; our derivations explicitly incorporate the effects of such background tunneling. Validation of our models to simulated data shows that background tunneling is crucial for quantitative analyses (even in cases where it appears to be qualitatively negligible), and comparison to experimental data is favorable. Finally, we generalize these ideas to the case of molecules with a destructive interference feature and discuss potential signatures for interference in a conductance histogram.