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Controlled Growth and Structures of Molecular-Scale Silicon Nanowires
Abstract
Single-crystal silicon nanowires with diameters approaching molecular dimensions were synthesized using gold nanocluster-catalyzed 1D growth. High-resolution transmission electron microscopy studies show that silicon nanowires grown with silane reactant in hydrogen are single crystal with little or no visible amorphous oxide down to diameters as small as 3 nm. Structural characterization of a large number of samples shows that the smallest-diameter nanowires grow primarily along the 〈110〉 direction, whereas larger nanowires grow along the 〈111〉 direction. In addition, cross-sectional transmission electron microscopy was used to address the importance of surface energetics in determining the growth direction of the smallest nanowires. The ability to prepare well-defined molecular-scale single-crystal silicon nanowires opens up new opportunities for both fundamental studies and nanodevice applications.
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Citations
Cited by
Chemistry and Properties of Nanocrystals of Different Shapes
Burda, C., Chen, X., Narayanan, R., & El-Sayed, M. A. (2005) · Chemical Reviews · doi:10.1021/cr030063a · Cited by 7,230
Kim, H., & Cho, J. (2008) · Nano Letters · doi:10.1021/nl801853x · Cited by 513
Nanowires for Electrochemical Energy Storage
Zhou, G., Xu, L., Hu, G., Mai, L., & Cui, Y. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00326 · Cited by 439
Self-citationDopant profiling and surface analysis of silicon nanowires using capacitance–voltage measurements
Garnett, E. C., Tseng, Y.-C., Khanal, D. R., Wu, J., Bokor, J., & Yang, P. (2009) · Nature Nanotechnology · doi:10.1038/nnano.2009.43 · Cited by 174
Wolfsteller, A., Geyer, N., Nguyen-Duc, T.-K., Das Kanungo, P., Zakharov, N. D., Reiche, M., Erfurth, W., Blumtritt, H., Kalem, S., Werner, P., et al. (2010) · Thin Solid Films · doi:10.1016/j.tsf.2009.08.021 · Cited by 54
Metadata
- Authors
- Wu, Y., Cui, Y., Huynh, L., Barrelet, C. J., Bell, D. C., & Lieber, C. M.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-02-03
- Volume
- 4
- Issue
- 3
- Pages
- 433-436
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2089005749
- Cited by
- 963
- References
- 0
- FWCI
- 42.90
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wu, Y., Cui, Y., Huynh, L., Barrelet, C. J., Bell, D. C., & Lieber, C. M. (2004). Controlled Growth and Structures of Molecular-Scale Silicon Nanowires. Nano Letters. https://doi.org/10.1021/nl035162i
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