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Strong exciton-photon coupling in microcavities containing new fluorophenethylamine based perovskite compounds

Yi Wei, Jean-Sébastien Lauret, Laurent Galmiche, Pierre Audebert and Emmanuelle Deleporte, Optic Express 20, 10399 (2012)

We synthetize some new perovskite thin layers: p-fluorophenethylamine tetraiodoplumbate pFC6H4C2H4NH3)2PbI4 perovskite molecules, included in a PMMA matrix. We report on the optical properties of the perovskite doped PMMA thin layers and we show that these layers are much more stable under laser illumination and present a smaller roughness than the spin-coated (C6H5C2H4NH3)2PbI4 layers. These new layers are used as the active material in vertical microcavities and the strong-coupling regime is evidenced by a clear anti-crossing appearing in the angular-resolved reflectivity experiments at room temperature.

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