The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Single-Molecule Circuits with Well-Defined Molecular Conductance
Open accessAbstract
We measure the conductance of amine-terminated molecules by breaking Au point contacts in a molecular solution at room temperature. We find that the variability of the observed conductance for the diamine molecule-Au junctions is much less than the variability for diisonitrile- and dithiol-Au junctions. This narrow distribution enables unambiguous conductance measurements of single molecules. For an alkane diamine series with 2-8 carbon atoms in the hydrocarbon chain, our results show a systematic trend in the conductance from which we extract a tunneling decay constant of 0.91 +/- 0.03 per methylene group. We hypothesize that the diamine link binds preferentially to undercoordinated Au atoms in the junction. This is supported by density functional theory-based calculations that show the amine binding to a gold adatom with sufficient angular flexibility for easy junction formation but well-defined electronic coupling of the N lone pair to the Au. Therefore, the amine linkage leads to well-defined conductance measurements of a single molecule junction in a statistical study.
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Cites
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Cited by
Chen, F., Li, X., Hihath, J., Huang, Z., & Tao, N. (2006) · Journal of the American Chemical Society · doi:10.1021/ja065864k · Cited by 803
Molecular transport junctions: vibrational effects
Galperin, M., Ratner, M. A., & Nitzan, A. (2007) · Journal of Physics: Condensed Matter · doi:10.1088/0953-8984/19/10/103201 · Cited by 771
Effects of chemical bonding on heat transport across interfaces
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Single Molecule Electronic Devices
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Molecular junctions based on aromatic coupling
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Metadata
- Authors
- Venkataraman, L., Klare, J. E., Tam, I. W., Nuckolls, C., Hybertsen, M. S., & Steigerwald, M. L.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-02-01
- Volume
- 6
- Issue
- 3
- Pages
- 458-462
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2157674267
- Cited by
- 851
- References
- 10
- FWCI
- 55.33
- Type
- journal article
- Language
- en
- Open access
- green
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