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Plasmon resonances in large noble-metal clusters
Open accessAbstract
We investigate the optical properties of spherical gold and silver clusters with diameters of 20 nm and larger. The light scattering spectra of individual clusters are measured using dark-field microscopy, thus avoiding inhomogeneous broadening effects. The dipolar plasmon resonances of the clusters are found to have nearly Lorentzian line shapes. With increasing size we observe polaritonic red-shifts of the plasmon line and increased radiation damping for both gold and silver clusters. Apart from some cluster-to-cluster variations of the plasmon lines, agreement with Mie theory is reasonably good for the gold clusters. However, it is less satisfactory for the silver clusters, possibly due to cluster faceting or chemical effects.
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Citations
Cites
Optical Constants of the Noble Metals
Johnson, P. B., & Christy, R. W. (1972) · Physical Review B · doi:10.1103/physrevb.6.4370 · Cited by 20,094
Cited by
Jain, P. K., Lee, K. S., El-Sayed, I. H., & El-Sayed, M. A. (2006) · The Journal of Physical Chemistry B · doi:10.1021/jp057170o · Cited by 4,603
Surface plasmon resonance in gold nanoparticles: a review
Amendola, V., Pilot, R., Frasconi, M., Maragò, O. M., & Iatì, M. A. (2017) · Journal of Physics: Condensed Matter · doi:10.1088/1361-648x/aa60f3 · Cited by 1,905
Optical Studies of Dynamics in Noble Metal Nanostructures
Hartland, G. V. (2011) · Chemical Reviews · doi:10.1021/cr1002547 · Cited by 1,526
Synthesis and antibacterial activity of silver nanoparticles with different sizes
Martínez-Castañón, G. A., Niño-Martínez, N., Martínez-Gutierrez, F., Martínez-Mendoza, J. R., & Ruiz, F. (2008) · Journal of Nanoparticle Research · doi:10.1007/s11051-008-9428-6 · Cited by 1,119
Hu, M., Novo, C., Funston, A., Wang, H., Staleva, H., Zou, S., Mulvaney, P., Xia, Y., & Hartland, G. V. (2008) · Journal of Materials Chemistry · doi:10.1039/b714759g · Cited by 508
Metadata
- Authors
- Sönnichsen, C., Franzl, T., Wilk, T., Plessen, G. V., & Feldmann, J.
- Venue
- New Journal of Physics
- Publisher
- IOP Publishing
- Published
- 2002-11-14
- Volume
- 4
- Pages
- 93-93
- ISSN
- 1367-2630 (ISSN-L)
- OpenAlex
- W1979546231
- Cited by
- 415
- References
- 1
- FWCI
- 4.55
- Type
- journal article
- Language
- en
- Open access
- gold
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- Sönnichsen, C., Franzl, T., Wilk, T., Plessen, G. V., & Feldmann, J. (2002). Plasmon resonances in large noble-metal clusters. New Journal of Physics. https://doi.org/10.1088/1367-2630/4/1/393
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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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