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Enhancement of Single-Molecule Fluorescence Using a Gold Nanoparticle as an Optical Nanoantenna
Open accessAbstract
We investigate the coupling of a single molecule to a single spherical gold nanoparticle acting as a nanoantenna. Using scanning probe technology, we position the particle in front of the molecule with nanometer accuracy and measure a strong enhancement of more than 20 times in the fluorescence intensity simultaneous to a 20-fold shortening of the excited state lifetime. Comparisons with three-dimensional calculations guide us to decipher the contributions of the excitation enhancement, spontaneous emission modification, and quenching. Furthermore, we provide direct evidence for the role of the particle plasmon resonance in the molecular excitation and emission processes.
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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
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Linic, S., Christopher, P., & Ingram, D. B. (2011) · Nature Materials · doi:10.1038/nmat3151 · Cited by 4,852
Tame, M. S., McEnery, K. R., Özdemir, Ş. K., Lee, J., Maier, S. A., & Kim, M. S. (2013) · Nature Physics · doi:10.1038/nphys2615 · Cited by 1,573
Nanoplasmonics: Past, present, and glimpse into future
Stockman, M. I. (2011) · Optics Express · doi:10.1364/oe.19.022029 · Cited by 1,109
A plasmonic nanorod that walks on DNA origami
Zhou, C., Duan, X., & Liu, N. (2015) · Nature Communications · doi:10.1038/ncomms9102 · Cited by 332
Ridolfo, A., Di Stefano, O., Fina, N., Saija, R., & Savasta, S. (2010) · Physical Review Letters · doi:10.1103/physrevlett.105.263601 · Cited by 323
Metadata
- Authors
- Kühn, S., Håkanson, U., Rogobete, L., & Sandoghdar, V.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-07-07
- Volume
- 97
- Issue
- 1
- Pages
- 017402-017402
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1970435434
- Cited by
- 1,579
- References
- 1
- FWCI
- 60.70
- Type
- journal article
- Language
- en
- Open access
- green
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- Kühn, S., Håkanson, U., Rogobete, L., & Sandoghdar, V. (2006). Enhancement of Single-Molecule Fluorescence Using a Gold Nanoparticle as an Optical Nanoantenna. Physical Review Letters. https://doi.org/10.1103/physrevlett.97.017402
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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.
