ArticleBeilstein journal of nanotechnology2015
High electronic couplings of single mesitylene molecular junctions.
Article in Beilstein journal of nanotechnology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- Fundamentals, Measurement and Regulation of the Conductance of Single Molecule Junctions.Angewandte Chemie (International ed. in English) · 2026Review
- Partially π-exposed 3D carbohelicene for mechanical tuning of conductance and thermopower in single-molecule junctions.Nature communications · 2026Article
- Unraveling the Interplay between Quantum Transport and Geometrical Conformations in Monocyclic Hydrocarbons' Molecular Junctions.The journal of physical chemistry. C, Nanomaterials and interfaces · 2023Article
- High conductance values in π-folded molecular junctions.Nature communications · 2017Article
- Detecting Electron Transport of Amino Acids by Using Conductance Measurement.Sensors (Basel, Switzerland) · 2017Article
- Role of solvents in the electronic transport properties of single-molecule junctions.Beilstein journal of nanotechnology · 2016Article
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Authors and funding
4 authors at 1 institution in 1 country.
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Abstract
We report on an experimental analysis of the charge transport properties of single mesitylene (1,3,5-trimethylbenzene) molecular junctions. The electronic conductance and the current-voltage characteristics of mesitylene molecules wired into Au electrodes were measured by a scanning tunnelling microscopy-based break-junction method at room temperature in a liquid environment. We found the molecular junctions exhibited two distinct conductance states with high conductance values of ca. 10(-1) G 0 and of more than 10(-3) G 0 (G 0 = 2e (2)/h) in the electronic conductance measurements. We further performed a statistical analysis of the current-voltage characteristics of the molecular junctions in the two states. Within a single channel resonant tunnelling model, we obtained electronic couplings in the molecular junctions by fitting the current-voltage characteristics to the single channel model. The origin of the high conductance was attributed to experimentally obtained large electronic couplings of the direct π-bonded molecular junctions (ca. 0.15 eV). Based on analysis of the stretch length of the molecular junctions and the large electronic couplings obtained from the I-V analysis, we proposed two structural models, in which (i) mesitylene binds to the Au electrode perpendicular to the charge transport direction and (ii) mesitylene has tilted from the perpendicular orientation.
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