Journal
OPTICS EXPRESS
Volume 18, Issue 6, Pages 5912-5919Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.005912
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- ANR
- C'Nano Region Ile de France
- RTRA Triangle de la Physique
- Laboratoire de Photonique Quantique et Moleculaire de l'Ecole Normale Superieure de Cachan is a Unite mixte de recherche associee au CNRS [UMR8537]
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We report on optical spectroscopy (photoluminescence and photoluminescence excitation) on two-dimensional self-organized layers of (C6H5C2H4-NH3)(2)-PbI4 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. (C) 2010 Optical Society of America
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