Insights on exciton photophysics in organic and organic/inorganic hybrid materials with strong light-matter coupling

Victoria Quiros-Cordero; Yulong Zheng; Esteban Rojas-Gatjens; Martin Gomez-Dominguez; Juan-Pablo Correa-Baena; Natalie Stingelin; Carlos Silva-Acuña

doi:10.1117/12.2676989

5 October 2023 Insights on exciton photophysics in organic and organic/inorganic hybrid materials with strong light-matter coupling

Victoria Quiros-Cordero, Yulong Zheng, Esteban Rojas-Gatjens, Martin Gomez-Dominguez, Juan-Pablo Correa-Baena, Natalie Stingelin, Carlos Silva-Acuña

Author Affiliations +

Proceedings Volume PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII; PC126500D (2023) https://doi.org/10.1117/12.2676989
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

In organic and organic/inorganic hybrid materials, the role of the exciton reservoir (i.e., uncoupled excitons) towards populating exciton-polariton states —emerging when an excitonic transition strongly couples with a microcavity optical mode— is not well understood. Here, we identify many-body processes in the exciton reservoir by probing the time-resolved nonlinear photoluminescence of polaritons in an organic dye (1,6,7,12-bay-substituted perylene-diimide derivative) and a Ruddlesden-Popper (PEA)2PbI4 perovskite. We observe that, in the dye, exciton-exciton annihilation is hindered in the strong light-matter coupling regime and, in (PEA)2PbI4, Auger recombination obstructs the population of exciton-polaritons via radiative pumping by the emission of the exciton reservoir.

Conference Presentation

Citation Download Citation

Victoria Quiros-Cordero, Yulong Zheng, Esteban Rojas-Gatjens, Martin Gomez-Dominguez, Juan-Pablo Correa-Baena, Natalie Stingelin, and Carlos Silva-Acuña "Insights on exciton photophysics in organic and organic/inorganic hybrid materials with strong light-matter coupling", Proc. SPIE PC12650, Physical Chemistry of Semiconductor Materials and Interfaces XXII, PC126500D (5 October 2023); https://doi.org/10.1117/12.2676989

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