Strong anharmonicity, relaxational dynamics and impact of lattice polarizability on the optoelectronic properties of halide perovskites and their nanostructures
Jacky Even a, marios zacharias a, tan nguyen b, simon thebaud a, claudine katan b
a Univ Rennes, INSA Rennes, CNRS, Institut FOTON - UMR 6082, F-35000 Rennes, France.
b Univ Rennes, ENSCR, INSA Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France.
Proceedings of International Conference on Emerging Light Emitting Materials (EMLEM23)
Peyia, Cyprus, 2023 November 13th - 15th
Organizers: Grigorios Itskos, Maksym Kovalenko and Maryna Bodnarchuk
Invited Speaker, Jacky Even, presentation 013
DOI: https://doi.org/10.29363/nanoge.emlem.2023.013
Publication date: 18th August 2023

The presentation will review some recent combined theoretical and experimental results on the interplay between the optoelectronic properties of 3D perovskites (and their nanostructures), and lattice dynamics and polarizability.

Acknowledgments

 

[1] B. Hehlen, P. Bourges, B. Rufflé, S. Clément, R. Vialla, A. C. Ferreira, C. Ecolivet, S. Paofai, S. Cordier, C. Katan, A. Létoublon, J. Even, Pseudospin-phonon pretransitional dynamics in lead halide hybrid perovskites, Phys. Rev. B (2022)

[2] P. Tamarat, E. Prin, Y. Bezovska, A. Moskalenko, T. Nguyen, C. Xia, L. Hou, J.-B. Trebbia, M. Zacharias, L.  Pedesseau, C.  Katan, M. Bodnarchuk, M. Kovalenko, J.  Even, B. Lounis, Universal scaling laws for charge-carrier interactions with quantum confinement in lead-halide perovskites , Nature Comm. (2023)

[3] C. Zhu, T. Nguyen, S. Böhme, A. Moskalenko, D. Dirin, M. Bodnarchuk, C Katan, J. Even, G. Rainò and M. Kovalenko*, Many-body Correlations and Bound Exciton Complexes in CsPbX3 (X=Br, Br/Cl) Quantum Dots, Advanced Materials (2023)

[4] M. Zacharias, G. Volonakis, F. Giustino, J. Even, Anharmonic electron-phonon coupling in ultrasoft and locally disordered perovskites, NPG Comput. Mat. (2023)

The research leading to these results has received funding from the European Union’s Horizon 2020 program, through a FET Open research and innovation action under the grant agreement No 899141. (POLLOC).

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