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Hybrid nanostructures for enhanced light-harvesting: plasmon induced increase in fluorescence from individual photosynthetic pigment-protein complexes

MPG-Autoren
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Ullrich,  Simon
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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Zitation

Beyer, S. R., Ullrich, S., Kudera, S., Gardiner, A. T., Cogdell, R. J., & Köhler, J. (2011). Hybrid nanostructures for enhanced light-harvesting: plasmon induced increase in fluorescence from individual photosynthetic pigment-protein complexes. Nano Letters, 11(11), 4897-4901. doi:10.1021/nl202772h.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0010-4E4D-D
Zusammenfassung
We studied the optical response from more than 13, 000 individual photosynthetic pigment-protein complexes interacting with spherical gold nanoparticles. The nanodots were arranged in a quasi-hexagonal array by diblock copolymer micellar nanolithography. Exciting the proteins within the spectral range of the nanoparticles' plasmon resonance yields a clear enhancement of the protein fluorescence intensity, whereas excitation far out of the plasmon resonance features no effect. This result indicates a strategy for the construction of efficient hybrid light-harvesting devices.