Energy Transfer in Confined Geometries

• Effective Electronic Coupling

  • Transition density cube method
  • System eigenstates
  • Renormalized couplings and energies
  • “Forbidden” states

• Directional Energy Flow

  • Exciton interactions
  • H-bonding and polar residues

• Broad Spectral Coverage

  • Exciton interactions
  • “Forbidden” states of carotenoids

• Robustness with respect to disorder

  • Diagonal (energy) disorder
  • Off-diagonal (coupling) disorder
  • Correlated disorder

• Protection against photochemical damage

  • Carotenoids, energy of S1 state
  • Regulation of efficiency of energy transfer

An efficient energy transfer device with molecular dimensions requires:

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