The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Light Concentration at the Nanometer Scale
Abstract
Visible and near-infrared optical excitations are common currency in the biological world, and consequently, they are routinely used to investigate microscopic phenomena taking place in living organisms and their environment. However, the wavelength of light within that energy region is above hundreds of nanometers, thus averting the possibility of direct nanometer-scale resolution. We show in this Perspective that narrow gaps between metals and sharp tips in colloidal gold particles constitute excellent “light confiners” that permit solving this problem, and in particular, they lead to record levels of surface-enhanced Raman scattering. Our results are framed in the context of a historical quest toward achieving optical focusing in the near field, and we offer a tutorial explanation of why evanescent waves such as plasmons are needed for deep-subwavelength focusing. These results provide the required elements of intuition to understand light concentration at the nanometer scale and to design optimized systems for application in ultrasensitive optical analyses and nonlinear photonics.
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Cites
Negative Refraction Makes a Perfect Lens
Pendry, J. B. (2000) · Physical Review Letters · doi:10.1103/physrevlett.85.3966 · Cited by 12,159
Raman spectra of pyridine adsorbed at a silver electrode
Fleischmann, M., Hendra, P. J., & McQuillan, A. J. (1974) · Chemical Physics Letters · doi:10.1016/0009-2614(74)85388-1 · Cited by 7,172
Cited by
Tuning Size and Sensing Properties in Colloidal Gold Nanostars
Barbosa, S., Agrawal, A., Rodríguez-Lorenzo, L., Pastoriza-Santos, I., Alvarez-Puebla, R. A., Kornowski, A., Weller, H., & Liz-Marzán, L. M. (2010) · Langmuir · doi:10.1021/la102559e · Cited by 522
Self-citationGuerrini, L., & Graham, D. (2012) · Chemical Society Reviews · doi:10.1039/c2cs35118h · Cited by 441
From individual to collective chirality in metal nanoparticles
Guerrero-Martínez, A., Alonso-Gómez, J. L., Auguié, B., Cid, M. M., & Liz-Marzán, L. M. (2011) · Nano Today · doi:10.1016/j.nantod.2011.06.003 · Cited by 309
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Metadata
- Authors
- Alvarez-Puebla, R., Liz-Marzán, L. M., & García de Abajo, F. J.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-07-27
- Volume
- 1
- Issue
- 16
- Pages
- 2428-2434
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2077816672
- Cited by
- 336
- References
- 2
- FWCI
- 17.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Alvarez-Puebla, R., Liz-Marzán, L. M., & García de Abajo, F. J. (2010). Light Concentration at the Nanometer Scale. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz100820m
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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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