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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Gersen, Henkjan
University of Bristol
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2006Excitation of surface plasmons at a SiO2/Ag interface by silicon quantum dots: experiment and theorycitations
- 2005Probing the negative permittivity perfect lens at optical frequencies using near-field optics and single molecule detection
- 2001On the role of electromagnetic boundary conditions in single molecule fluorescence lifetime studies of dyes embedded in thin filmscitations
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article
On the role of electromagnetic boundary conditions in single molecule fluorescence lifetime studies of dyes embedded in thin films
Abstract
Single molecule fluorescence lifetime studies are generally performed in thin polymer films, where the influence of the interface on the behaviour of fluorescing molecules is not negligible. In order to describe this influence, we investigate annealed films of different thickness. We show that the distribution of fluorescence lifetimes of the embedded dyes is shifted to lower values as the thickness of the film increases. We explain this shift by simple electromagnetic arguments related to the boundary conditions at the interfaces of the polymer film with air and glass, respectively. The conclusion is that extreme care must be taken in order to interpret single molecule data with respect to the true chemical nature of the phenomena.