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Self-Assembly of a Two-Dimensional Superlattice of Molecularly Linked Metal Clusters
Abstract
Close-packed planar arrays of nanometer-diameter metal clusters that are covalently linked to each other by rigid, double-ended organic molecules have been self-assembled. Gold nanocrystals, each encapsulated by a monolayer of alkyl thiol molecules, were cast from a colloidal solution onto a flat substrate to form a close-packed cluster monolayer. Organic interconnects (aryl dithiols or aryl di-isonitriles) displaced the alkyl thiol molecules and covalently linked adjacent clusters in the monolayer to form a two-dimensional superlattice of metal quantum dots coupled by uniform tunnel junctions. Electrical conductance through such a superlattice of 3.7-nanometer-diameter gold clusters, deposited on a SiO 2 substrate in the gap between two gold contacts and linked by an aryl di-isonitrile [1,4-di(4-isocyanophenylethynyl)-2-ethylbenzene], exhibited nonlinear Coulomb charging behavior.
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Citations
Cited by
Synthesis and Characterization of Monodisperse Nanocrystals and Close-Packed Nanocrystal Assemblies
Murray, C. B., Kagan, C. R., & Bawendi, M. G. (2000) · Annual Review of Materials Science · doi:10.1146/annurev.matsci.30.1.545 · Cited by 4,353
Ghosh, S. K., & Pal, T. (2007) · Chemical Reviews · doi:10.1021/cr0680282 · Cited by 2,782
Unconventional Methods for Fabricating and Patterning Nanostructures
Xia, Y., Rogers, J. A., Paul, K. E., & Whitesides, G. M. (1999) · Chemical Reviews · doi:10.1021/cr980002q · Cited by 1,538
Drying-Mediated Self-Assembly of Nanoparticles
Rabani, E., Reichman, D. R., Geissler, P. L., & Brus, L. E. (2003) · Nature · doi:10.1038/nature02087 · Cited by 913
Crystal Structures of Molecular Gold Nanocrystal Arrays
Whetten, R. L., Shafigullin, M. N., Khoury, J. T., Schaaff, T. G., Vezmar, I., Alvarez, M. M., & Wilkinson, A. (1999) · Accounts of Chemical Research · doi:10.1021/ar970239t · Cited by 580
Metadata
- Authors
- Andres, R. P., Bielefeld, J. D., Henderson, J. I., Janes, D. B., Kolagunta, V. R., Kubiak, C. P., Mahoney, W. J., & Osifchin, R. G.
- Venue
- Science
- Published
- 1996-09-20
- Volume
- 273
- Issue
- 5282
- Pages
- 1690-1693
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2026417219
- Cited by
- 1,145
- References
- 0
- FWCI
- 84.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Andres, R. P., Bielefeld, J. D., Henderson, J. I., Janes, D. B., Kolagunta, V. R., Kubiak, C. P., Mahoney, W. J., & Osifchin, R. G. (1996). Self-Assembly of a Two-Dimensional Superlattice of Molecularly Linked Metal Clusters. Science. https://doi.org/10.1126/science.273.5282.1690
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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