Dynamic behavior of THz phonon-polariton in lead halide perovskite in conjunction with crystallization kinetics

Hwan Sik Kim; Yeong-Hwan Ahn

doi:10.1117/12.2583097

5 March 2021 Dynamic behavior of THz phonon-polariton in lead halide perovskite in conjunction with crystallization kinetics

Hwan Sik Kim, Yeong-Hwan Ahn

Author Affiliations +

Proceedings Volume 11684, Ultrafast Phenomena and Nanophotonics XXV; 1168419 (2021) https://doi.org/10.1117/12.2583097
Event: SPIE OPTO, 2021, Online Only

Abstract

We generated THz phonon-polaritons in lead halide perovskite films coated on metamaterials consisting of split-ring resonator arrays. Rabi splitting occurred when the metamaterial resonance is in tune with the phonon resonance, due to the strong coupling between the resonances. By varying the metamaterial resonance, we obtained the dispersion curves with a clear anti-crossing behavior, which is consistent with the simulation results. By monitoring the Rabi splitting as a function of the annealing time, we investigated the correlation between the interaction potential and crystallized fraction, in which we found a unique power-law scaling in association with the crystal growth dimensions.

Conference Presentation

Citation Download Citation

Hwan Sik Kim and Yeong-Hwan Ahn "Dynamic behavior of THz phonon-polariton in lead halide perovskite in conjunction with crystallization kinetics", Proc. SPIE 11684, Ultrafast Phenomena and Nanophotonics XXV, 1168419 (5 March 2021); https://doi.org/10.1117/12.2583097

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