Nature Communications (Mar 2016)

Exciton–exciton annihilation and biexciton stimulated emission in graphene nanoribbons

  • Giancarlo Soavi,
  • Stefano Dal Conte,
  • Cristian Manzoni,
  • Daniele Viola,
  • Akimitsu Narita,
  • Yunbin Hu,
  • Xinliang Feng,
  • Ulrich Hohenester,
  • Elisa Molinari,
  • Deborah Prezzi,
  • Klaus Müllen,
  • Giulio Cerullo

DOI
https://doi.org/10.1038/ncomms11010
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 7

Abstract

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Graphene nanoribbons confine electrons to just one dimension and this gives rise to strong electron–hole interactions. Here, the authors investigate the creation and recombination of biexcitons in these structures by ultrafast optical pulses using femtosecond transient absorption spectroscopy.