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Photothermal Imaging of Nanometer-Sized Metal Particles Among Scatterers
Abstract
Ambient optical detection of labeled molecules is limited for fluorescent dyes by photobleaching and for semiconducting nanoparticles by “blinking” effects. Because nanometer-sized metal particles do not optically bleach, they may be useful optical labels if suitable detection signals can be found. We demonstrate far-field optical detection of gold colloids down to diameters of 2.5 nanometers with a photothermal method that combines high-frequency modulation and polarization interference contrast. The photothermal image is immune to the effects of scattering background, which limits particle imaging through Rayleigh scattering to diameters larger than 40 nanometers.
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Citations
Cited by
Hell, S. W. (2007) · Science · doi:10.1126/science.1137395 · Cited by 2,967
Gold Nanorods: From Synthesis and Properties to Biological and Biomedical Applications
Huang, X., Neretina, S., & El‐Sayed, M. A. (2009) · Advanced Materials · doi:10.1002/adma.200802789 · Cited by 1,921
Zijlstra, P., Paulo, P. M. R., & Orrit, M. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.51 · Cited by 788
Self-citationNanoscale Control of Optical Heating in Complex Plasmonic Systems
Baffou, G., Quidant, R., & García de Abajo, F. J. (2010) · ACS Nano · doi:10.1021/nn901144d · Cited by 760
Heat generation in plasmonic nanostructures: Influence of morphology
Baffou, G., Quidant, R., & Girard, C. (2009) · Applied Physics Letters · doi:10.1063/1.3116645 · Cited by 593
Metadata
- Authors
- Boyer, D., Tamarat, P., Maali, A., Lounis, B., & Orrit, M.
- Venue
- Science
- Published
- 2002-08-16
- Volume
- 297
- Issue
- 5584
- Pages
- 1160-1163
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2122932285
- Cited by
- 978
- References
- 0
- FWCI
- 9.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Boyer, D., Tamarat, P., Maali, A., Lounis, B., & Orrit, M. (2002). Photothermal Imaging of Nanometer-Sized Metal Particles Among Scatterers. Science. https://doi.org/10.1126/science.1073765
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