Ultrafast single-molecule photonics: excited state dynamics in coherently coupled complexes

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Hernando, Jordi and Hoogenboom, Jacob and Dijk, Erik van and Garcia-Parajo, Maria and Hulst, Niek F. van (2008) Ultrafast single-molecule photonics: excited state dynamics in coherently coupled complexes. Journal of Luminescence, 128 (5-6). pp. 1050-1052. ISSN 0022-2313

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Abstract:We present a single-molecule study on femtosecond dynamics in multichromophoric systems, combining fs pump–probe, emission-spectra and fluorescence-lifetime analysis. The ultrafast fs approach gives direct information on the initial exciton dynamics after excitation. The lifetime data show superradiance, a direct measure for the extent of the coherent coupling and static disorder. The spectra finally reveal the role of exciton–phonon coupling. At the single-molecule level a wide range of exciton delocalization lengths and energy redistribution times is revealed.
Item Type:Article
Copyright:© 2008 Elsevier
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/78945
Official URL:http://dx.doi.org/10.1016/j.jlumin.2007.11.027
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