ArticleThe journal of physical chemistry letters2024
Rashba-Type Band Splitting Effect in 2D (PEA)
Article in The journal of physical chemistry letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Ultrafast interphase exciton funneling in alternating-cation 2D perovskites through Förster-type energy transfer.Chemical science · 2026Article
- Diketopyrrolopyrrole-Based Cation as a Semiconducting Spacer in Layered Perovskite.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Chiral Metal Halide Perovskites for Spin-Polarized Light-Emitting Diodes.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Pure Deep Red Electroluminescence in Mixed Phase Quasi-2D Tin Iodide Perovskite Heterostructure.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
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Authors and funding
11 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Despite a few recent reports on Rashba effects in two-dimensional (2D) Ruddlesden-Popper (RP) hybrid perovskites, the precise role of organic spacer cations in influencing Rashba band splitting remains unclear. Here, using a combination of temperature-dependent two-photon photoluminescence (2PPL) and time-resolved photoluminescence spectroscopy, alongside density functional theory (DFT) calculations, we contribute to significant insights into the Rashba band splitting found for 2D RP hybrid perovskites. The results demonstrate that the polarity of the organic spacer cation is crucial in inducing structural distortions that lead to Rashba-type band splitting. Our investigations show that the intricate details of the Rashba band splitting occur for organic cations with low polarity but not for more polar ones. Furthermore, we have observed stronger exciton-phonon interactions due to the Rashba-type band splitting effect. These findings clarify the importance of selecting appropriate organic spacer cations to manipulate the electronic properties of 2D perovskites.
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Registered trials
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