Development of the energy flow in light-harvesting dendrimers

Andrews, David L, Li, Shaopeng, Rodriguez, Justo and Slota, Jo (2007) Development of the energy flow in light-harvesting dendrimers. The Journal of Chemical Physics, 127 (13). p. 134902. ISSN 1089-7690

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Modeling the multistep flow of energy in light-harvesting dendrimers presents a considerable challenge. Recent studies have introduced an operator approach based on a matrix representation of the connectivity between constituent chromophores. Following a review of the theory, detailed applications are now shown to exhibit the time development of the core excitation following pulsed laser irradiation and the steady-state behavior that can be expected under conditions of constant illumination. It is also shown how energy capture by whole dendrimers can be analytically related to chromophore pair-transfer properties and, in particular, the spectroscopic gradient toward the core. Indicative calculations also illustrate the consequences of tertiary folding. In each respect, the model affords opportunities to derive new, physically meaningful information on the photophysical and structural features of dendrimeric systems.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
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Depositing User: Rachel Smith
Date Deposited: 02 Nov 2010 16:40
Last Modified: 17 Sep 2020 23:39
DOI: 10.1063/1.2785175

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