Mimicking the antenna-electron transfer properties of photosynthesis

DOI Web Site 8 Citations
  • Milan Sykora
    The Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290
  • Kimberly A. Maxwell
    The Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290
  • Joseph M. DeSimone
    The Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290
  • Thomas J. Meyer
    The Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290

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<jats:p> A molecular assembly based on derivatized polystyrene is described, which mimics both the light-harvesting and energy-conversion steps of photosynthesis. The system is unique in that the two key parts of a photosynthetic system are incorporated in a functional assembly constructed from polypyridine complexes of Ru <jats:sup>II</jats:sup> . This system is truly artificial, as none of the components used in construction of the assembly are present in a natural photosynthetic system. Quantitative evaluation of the energy and electron transfer dynamics after transient irradiation by visible light offers important insights into the mechanisms of energy transport and electron transfer that lead to photosynthetic light-to-chemical energy conversion. </jats:p>

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