Multiple mode exciton-vibrational coupling in H-aggregates: synergistic enhancement of the quantum yield.


The impact of exciton-vibrational coupling involving fast and slow vibrational modes on absorption and emission in molecular H-aggregates is investigated using a multimode Holstein Hamiltonian. For H-aggregates composed of rigid molecules the radiative decay rate is rigorously zero due to the asymmetry of the lowest energy exciton. Increasing the Huang-Rhys… (More)
DOI: 10.1063/1.3310810


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