Energy transfer rates and pathways of single donor chromophores in a multichromophoric dendrimer built around a central acceptor core |
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Authors: | Métivier Rémi Kulzer Florian Weil Tanja Müllen Klaus Basché Thomas |
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Affiliation: | Institut für Physikalische Chemie, Johannes Gutenberg-Universit?t Mainz, Welderweg 11, 55099 Mainz, Germany. |
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Abstract: | An artificial light-harvesting dendrimer showing highly efficient electronic excitation energy transfer from four peripheral donors to one central acceptor has been investigated by single-molecule spectroscopy at low temperatures. Confocal imaging in combination with frequency selective excitation spectroscopy gives direct access to energy transfer rates of individual donors and allows the determination of energy transfer pathways within a single multichromophoric aggregate. |
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