Presentation Information
[Th-P-27]Polarons in 2D Layered Perovskites: Properties and Control
〇Mateusz Dyksik1, Dorian Beret2, Michal Baranowski1, Konrad Widaj1, Herman Duim3, Sebastian Moyano2, Katarzyna Posmyk1,4, Adnen Mlayah5, Sampson Adjokatse3, Duncan K. Maude4, Arthur Maufort6, Wouter T. M. Van Gompel6, Maria A. Loi3, Pascal Puech2, Paulina Plochocka1,4 (1. Wroclaw Univ. of Sci. and Tech. (Poland), 2. CEMES (France), 3. Univ. of Groningen (Netherlands), 4. LNCMI (France), 5. LAAS (France), 6. Hasselt Univ. (Belgium))
Resonant Raman scattering reveals polaron fingerprints in 2D perovskites. Unlike non-resonant spectra, the resonant response shows a shifted intensity maximum, asymmetric comb-like structure, and high-energy tail, enabling discussion of polaron binding energy, size, and symmetry via polarization- and temperature-dependent measurements.