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Covalently Bridging Gaps in Single-Walled Carbon Nanotubes with Conducting Molecules
Abstract
Molecular electronics is often limited by the poorly defined nature of the contact between the molecules and the metal surface. We describe a method to wire molecules into gaps in single-walled carbon nanotubes (SWNTs). Precise oxidative cutting of a SWNT produces carboxylic acidâterminated electrodes separated by gaps of â¤10 nanometers. These point contacts react with molecules derivatized with amines to form molecular bridges held in place by amide linkages. These chemical contacts are robust and allow a wide variety of molecules to be tested electrically. In addition to testing molecular wires, we show how to install functionality in the molecular backbone that allows the conductance of the single-molecule bridges to switch with pH.
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Cited by
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Sarkar, D., Liu, W., Xie, X., Anselmo, A. C., Mitragotri, S., & Banerjee, K. (2014) · ACS Nano · doi:10.1021/nn5009148 · Cited by 1,047
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
Single-molecule diodes with high rectification ratios through environmental control
Capozzi, B., Xia, J., Adak, O., Dell, E. J., Liu, Z.-F., Taylor, J. C., Neaton, J. B., Campos, L. M., & Venkataraman, L. (2015) · Nature Nanotechnology · doi:10.1038/nnano.2015.97 · Cited by 458
Tailoring molecular layers at metal surfaces
Bartels, L. (2010) · Nature Chemistry · doi:10.1038/nchem.517 · Cited by 451
Li, T., Hu, W., & Zhu, D. (2010) · Advanced Materials · doi:10.1002/adma.200900864 · Cited by 269
Metadata
- Authors
- Guo, X., Small, J. P., Klare, J. E., Wang, Y., Purewal, M. S., Tam, I. W., Hong, B. H., Caldwell, R., Huang, L., O'Brien, S., Yan, J., Breslow, R., Wind, S. J., Hone, J., Kim, P., & Nuckolls, C.
- Venue
- Science
- Published
- 2006-01-20
- Volume
- 311
- Issue
- 5759
- Pages
- 356-359
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2108878769
- Cited by
- 501
- References
- 0
- FWCI
- 36.44
- Type
- journal article
- Language
- en
- Open access
- closed
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- Guo, X., Small, J. P., Klare, J. E., Wang, Y., Purewal, M. S., Tam, I. W., Hong, B. H., Caldwell, R., Huang, L., O'Brien, S., Yan, J., Breslow, R., Wind, S. J., Hone, J., Kim, P., & Nuckolls, C. (2006). Covalently Bridging Gaps in Single-Walled Carbon Nanotubes with Conducting Molecules. Science. https://doi.org/10.1126/science.1120986
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
