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Distance-Dependent Fluorescence Quenching on Gold Nanoparticles Ensheathed with Layer-by-Layer Assembled Polyelectrolytes
Abstract
We report on the preparation, characterization, and photophysical study of new fluorescent core/shell nanoparticles fabricated by electrostatic layer-by-layer assembly. On the basis of gold cores with a diameter of 13 nm, these nanocolloids possess different fluorescently labeled polymer corona layers at various distances from the surface of the core metal using nonfluorescent polyelectrolytes as spacer layers. UV-visible spectroscopy and transmission electron microscopy confirm that the particle suspensions of fluorescently labeled core/shell nanoparticles are stable at all stages of their construction. Photophysical investigations reveal strongly distance-dependent fluorescence quenching in these particle systems. The contribution of the metal core to this quenching can be assesed precisely after the gentle dissolution of the gold cores by potassium cyanide. The photophysical measurements reveal clearly that the gold nanoparticles decrease the transition probability for radiative transitions.
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Citations
Cited by
Ariga, K., Hill, J. P., & Ji, Q. (2007) · Physical Chemistry Chemical Physics · doi:10.1039/b700410a · Cited by 1,256
Challenges and breakthroughs in recent research on self-assembly
Ariga, K., Hill, J. P., Lee, M. V., Vinu, A., Charvet, R., & Acharya, S. (2008) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/9/1/014109 · Cited by 759
Li, X., Zhang, F., & Zhao, D. (2015) · Chemical Society Reviews · doi:10.1039/c4cs00163j · Cited by 615
The Future of Layer-by-Layer Assembly: A Tribute to ACS Nano Associate Editor Helmuth Möhwald
Zhao, S., Caruso, F., Dähne, L., Decher, G., De Geest, B. G., Fan, J., Feliu, N., Gogotsi, Y., Hammond, P. T., Hersam, M. C., et al. (2019) · ACS Nano · doi:10.1021/acsnano.9b03326 · Cited by 283
Self-citationFluorescence Manipulation by Gold Nanoparticles: From Complete Quenching to Extensive Enhancement
Kang, K. A., Wang, J., Jasinski, J. B., & Achilefu, S. (2011) · Journal of Nanobiotechnology · doi:10.1186/1477-3155-9-16 · Cited by 264
Metadata
- Authors
- Schneider, G., Decher, G., Nerambourg, N., Praho, R., Werts, M. H. V., & Blanchard-Desce, M.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2006-01-27
- Volume
- 6
- Issue
- 3
- Pages
- 530-536
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2073919974
- Cited by
- 440
- References
- 0
- FWCI
- 12.32
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Schneider, G., Decher, G., Nerambourg, N., Praho, R., Werts, M. H. V., & Blanchard-Desce, M. (2006). Distance-Dependent Fluorescence Quenching on Gold Nanoparticles Ensheathed with Layer-by-Layer Assembled Polyelectrolytes. Nano Letters. https://doi.org/10.1021/nl052441s
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