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Gold Nanoparticles Quench Fluorescence by Phase Induced Radiative Rate Suppression
Abstract
The fluorescence quantum yield of Cy5 molecules attached to gold nanoparticles via ssDNA spacers is measured for Cy5-nanoparticle distances between 2 and 16 nm. Different numbers of ssDNA per nanoparticle allow to fine-tune the distance. The change of the radiative and nonradiative molecular decay rates with distance is determined using time-resolved photoluminescence spectroscopy. Remarkably, the distance dependent quantum efficiency is almost exclusively governed by the radiative rate.
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Cited by
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Zhang, W., Govorov, A. O., & Bryant, G. W. (2006) · Physical Review Letters · doi:10.1103/physrevlett.97.146804 · Cited by 567
Hu, M., Novo, C., Funston, A., Wang, H., Staleva, H., Zou, S., Mulvaney, P., Xia, Y., & Hartland, G. V. (2008) · Journal of Materials Chemistry · doi:10.1039/b714759g · Cited by 508
Metadata
- Authors
- Dulkeith, E., Ringler, M., Klar, T. A., Feldmann, J., Muñoz Javier, A., & Parak, W. J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-02-23
- Volume
- 5
- Issue
- 4
- Pages
- 585-589
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2011610178
- Cited by
- 768
- References
- 0
- FWCI
- 20.29
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dulkeith, E., Ringler, M., Klar, T. A., Feldmann, J., Muñoz Javier, A., & Parak, W. J. (2005). Gold Nanoparticles Quench Fluorescence by Phase Induced Radiative Rate Suppression. Nano Letters. https://doi.org/10.1021/nl0480969
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