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One- and two-exciton migration dynamics of a dendritic molecular aggregate



The two-exciton dynamics in a dendritic molecular aggregate composed of monomers coupled with each other by the dipole–dipole interaction is performed to investigate the effect of two-exciton states on the exciton migration using the master equation approach. Although the spatial unique feature of exciton migration from the periphery to the core in the one-exciton model is also observed in the two-exciton model, about 36% of such exciton migration is found to be carried out by the relaxation among two-exciton states in the present model. © 2003 Wiley Periodicals, Inc. Int J Quantum Chem, 2003

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