Optical properties of graphene nanoribbons: The role of many-body effects

@article{Prezzi2008OpticalPO,
  title={Optical properties of graphene nanoribbons: The role of many-body effects},
  author={D. Prezzi and D. Varsano and A. Ruini and A. Marini and E. Molinari},
  journal={Physical Review B},
  year={2008},
  volume={77},
  pages={041404}
}
  • D. Prezzi, D. Varsano, +2 authors E. Molinari
  • Published 2008
  • Physics
  • Physical Review B
  • We investigate from first principles the optoelectronic properties of nanometer-sized armchair graphene nanoribbons GNRs. We show that many-body effects are essential to correctly describe both energy gaps and optical response. As a signature of the confined geometry, we observe strongly bound excitons dominating the optical spectra, with a clear family-dependent binding energy. Our results demonstrate that GNRs constitute one-dimensional nanostructures whose absorption and luminescence… CONTINUE READING

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