ArticleThe journal of physical chemistry letters2020
Microscopic Picture of Electron-Phonon Interaction in Two-Dimensional Halide Perovskites.
Article in The journal of physical chemistry letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- A Visible-Frequency Excitonic Reststrahlen Band in (PEA)2PbI4 Slabs.Nano letters · 2026Article
- Microscopic Insights into Magneto-optics and Magneto-transport in 2D Perovskites.Nano letters · 2026Article
- Article
- Boosting exciton mobility approaching Mott-Ioffe-Regel limit in Ruddlesden-Popper perovskites by anchoring the organic cation.Nature communications · 2024Article
- Polaron Vibronic Progression Shapes the Optical Response of 2D Perovskites.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Uncovering temperature-dependent exciton-polariton relaxation mechanisms in hybrid organic-inorganic perovskites.Nature communications · 2023Article
- Using the Diamagnetic Coefficients to Estimate the Reduced Effective Mass in 2D Layered Perovskites: New Insight from High Magnetic Field Spectroscopy.International journal of molecular sciences · 2022Review
- Brightening of dark excitons in 2D perovskites.Science advances · 2021Article
- Free Carriers versus Self-Trapped Excitons at Different Facets of Ruddlesden-Popper Two-Dimensional Lead Halide Perovskite Single Crystals.The journal of physical chemistry letters · 2021Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Perovskites have attracted much attention due to their remarkable optical properties. While it is well established that excitons dominate their optical response, the impact of higher excitonic states and formation of phonon sidebands in optical spectra still need to be better understood. Here, we perform a theoretical study of excitonic properties of monolayered hybrid organic perovskites-supported by temperature-dependent photoluminescence measurements. Solving the Wannier equation, we obtain microscopic access to the Rydberg-like series of excitonic states including their wave functions and binding energies. Exploiting the generalized Elliot formula, we calculate the photoluminescence spectra demonstrating a pronounced contribution of a phonon sideband for temperatures up to 50 K, in agreement with experimental measurements. Finally, we predict temperature-dependent line widths of the three energetically lowest excitonic transitions and identify the underlying phonon-driven scattering processes.
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