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Shape effects in plasmon resonance of individual colloidal silver nanoparticles
Abstract
We present a systematic study of the effect of size and shape on the spectral response of individual silver nanoparticles. An experimental method has been developed that begins with the detection and characterization of isolated nanoparticles in the optical far field. The plasmon resonance optical spectrum of many individual nanoparticles are then correlated to their size and shape using high-resolution transmission electron microscopy. We find that specific geometrical shapes give distinct spectral responses. In addition, inducing subtle changes in the particles’ morphology by heating causes a shift in the individual particle spectrum and provides a simple means of tuning the spectral response to a desired optical wavelength. Improved colloidal preparation methods could potentially lead to homogeneous populations of identical particle shapes and colors. These multicolor colloids could be used as biological labels, surface enhanced Raman scattering substrates, or near field optical microscopy sources covering the full range of wavelengths in the visible spectrum.
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Cites
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
Plasmonics: Localization and guiding of electromagnetic energy in metal/dielectric structures
Maier, S. A., & Atwater, H. A. (2005) · Journal of Applied Physics · doi:10.1063/1.1951057 · Cited by 1,923
Guzman, M., Dille, J., & Godet, S. (2012) · Nanomedicine: Nanotechnology, Biology and Medicine · doi:10.1016/j.nano.2011.05.007 · Cited by 894
Murray, W. A., & Barnes, W. L. (2007) · Advanced Materials · doi:10.1002/adma.200700678 · Cited by 837
Raman Techniques: Fundamentals and Frontiers
Jones, R. R., Hooper, D. C., Zhang, L., Wolverson, D., & Valev, V. K. (2019) · Nanoscale Research Letters · doi:10.1186/s11671-019-3039-2 · Cited by 804
Pt Nanocrystals: Shape Control and Langmuir−Blodgett Monolayer Formation
Song, H., Kim, F., Connor, S., Somorjai, G. A., & Yang, P. (2005) · The Journal of Physical Chemistry B · doi:10.1021/jp0464775 · Cited by 544
Metadata
- Authors
- Mock, J. J., Barbic, M., Smith, D. R., Schultz, D. A., & Schultz, S.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 2002-04-15
- Volume
- 116
- Issue
- 15
- Pages
- 6755-6759
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W2010287396
- Cited by
- 1,793
- References
- 1
- FWCI
- 16.75
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mock, J. J., Barbic, M., Smith, D. R., Schultz, D. A., & Schultz, S. (2002). Shape effects in plasmon resonance of individual colloidal silver nanoparticles. The Journal of Chemical Physics. https://doi.org/10.1063/1.1462610
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
