In the natural photosystem, the high efficiency of solar energy utilization is contingent on the ensemble chromophore behavior. To mimic a well-defined chromophore arrangement achieved in nature, the molecular self-assembly process for effective design of artificial light-harvesting arrays should be utilized. Such control of the chromophore order can be achieved in metal-organic frameworks, which possess a high degree of structural modularity and chemical tunability.1–3 We prepare novel well-defined light-harvesting scaffolds with a predesigned pathway for the energy transfer. The prepared systems also allowed us to control the excited state decay pathways in the large light-harvesting array through alternation of an excitation wavelength.3 Reference: 1. Dolgopolova, E. A.; Williams, D. E.; Greytak, A. B.; Rice, A. M.; Smith, M. D.; Krause, J. A.; Shustova, N. B. Angew. Chem. Int. Ed. 2015, DOI: 10.1002/anie.201507400. 2. Williams, D. E.; Dolgopolova, E. A.; Pellechia, P.J.; Palukoshka, A.; Wilson, T. J.; Tan, R.; Maier, J. M.; Tan, R.; Greytak, A. B.; Smith, M. D.; Krause, J. A.; Shustova, N. B. J. Am. Chem. Soc. 2015, 137, 2223–2226. 3. Williams, D. E.; Rietman, J. A.; Maier, J. M.; Tan, R.; Greytak, A. B.; Smith, M. D.; Krause, J. A.; Shustova, N. B. J. Am. Chem. Soc. 2014, 136, 11886–11889.

Energy transfer in metal-organic frameworks

251st National Meeting (2016)

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