Energy transfer rates and pathways of single donor chromophores in a multichromophoric dendrimer built around a central acceptor core.
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.
Métivier
Rémi
R
Institut für Physikalische Chemie, Johannes Gutenberg-Universität Mainz, Welderweg 11, 55099 Mainz, Germany.
Kulzer
Florian
F
Weil
Tanja
T
Müllen
Klaus
K
Basché
Thomas
T