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Optical spectroscopy of two-dimensional layered (C6H 5C2H4-NH3)2-PbI 4 perovskite

  • K. Gauthron
  • , J. S. Lauret
  • , L. Doyennette
  • , G. Lanty
  • , A. Al Choueiry
  • , S. J. Zhang
  • , A. Brehier
  • , L. Largeau
  • , O. Mauguin
  • , J. Bloch
  • , E. Deleporte

Research output: Contribution to journalArticlepeer-review

Abstract

We report on optical spectroscopy (photoluminescence and photoluminescence excitation) on two-dimensional self-organized layers of (C6H 5C2H4-NH3)2-PbI 4 perovskite. Temperature and excitation power dependance of the optical spectra gives a new insight into the excitonic and the phononic properties of this hybrid organic/inorganic semiconductor. In particular, exciton-phonon interaction is found to be more than one order of magnitude higher than in GaAs QWs. As a result, photoluminescence emission lines have to be interpreted in the framework of a polaron model.

Original languageEnglish
Pages (from-to)5912-5919
Number of pages8
JournalOptics Express
Volume18
Issue number6
DOIs
Publication statusPublished - 15 Mar 2010

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