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Cu Nanoshells: Effects of Interband Transitions on the Nanoparticle Plasmon Resonance
Abstract
The optical properties of metals arise both from optical excitation of interband transitions and their collective electronic, or plasmon, response. Here, we examine the optical properties of Cu, whose strong interband transitions dominate its optical response in the visible region of the spectrum, in a nanoshell geometry. This nanostructure permits the geometrical tuning of the nanoparticle plasmon energy relative to the onset of interband transitions in the metal. Spectral overlap of the interband transitions of Cu with the nanoshell plasmon resonance results in a striking double-peaked plasmon resonance, a unique phenomenon previously unobserved in other noble or coinage metal nanostructures.
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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
Negative Refraction Makes a Perfect Lens
Pendry, J. B. (2000) · Physical Review Letters · doi:10.1103/physrevlett.85.3966 · Cited by 12,159
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Templated Techniques for the Synthesis and Assembly of Plasmonic Nanostructures
Jones, M. R., Osberg, K. D., Macfarlane, R. J., Langille, M. R., & Mirkin, C. A. (2011) · Chemical Reviews · doi:10.1021/cr1004452 · Cited by 1,159
Non-Noble Plasmonic Metal-Based Photocatalysts
Sayed, M., Yu, J., Liu, G., & Jaroniec, M. (2022) · Chemical Reviews · doi:10.1021/acs.chemrev.1c00473 · Cited by 579
Surface-enhanced Raman spectroscopy: a half-century historical perspective
Yi, J., You, E.-M., Hu, R., Wu, D.-Y., Liu, G.-K., Yang, Z.-L., Zhang, H., Gu, Y., Wang, Y.-H., Wang, X., et al. (2025) · Chemical Society Reviews · doi:10.1039/d4cs00883a · Cited by 382
Self-citationPlasmonic photothermal catalysis for solar-to-fuel conversion: current status and prospects
Luo, S., Ren, X., Lin, H., Song, H., & Ye, J. (2021) · Chemical Science · doi:10.1039/d1sc00064k · Cited by 298
Hendel, T., Wuithschick, M., Kettemann, F., Birnbaum, A., Rademann, K., & Polte, J. (2014) · Analytical Chemistry · doi:10.1021/ac502053s · Cited by 235
Metadata
- Authors
- Wang, H., Tam, F., Grady, N. K., & Halas, N. J.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-09-13
- Volume
- 109
- Issue
- 39
- Pages
- 18218-18222
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2030457251
- Cited by
- 222
- References
- 2
- FWCI
- 3.44
- Type
- journal article
- Language
- en
- Open access
- closed
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