Brightening of dark excitons in 2D perovskites
Optically inactive dark exciton states play an important role in light emission processes in
semiconductors because they provide an efficient nonradiative recombination channel …
semiconductors because they provide an efficient nonradiative recombination channel …
What Matters for the Charge Transport of Two‐Dimensional Perovskites?
Y Zhang, M Abdi‐Jalebi, BW Larson… - Advanced …, 2024 - Wiley Online Library
Compared to three‐dimensional (3D) perovskites, two‐dimensional (2D) perovskites exhibit
excellent stability, structural diversity, and tunable bandgaps, making them highly promising …
excellent stability, structural diversity, and tunable bandgaps, making them highly promising …
2d metal halide perovskites: A new fascinating playground for exciton fine structure investigations
Two-dimensional (2D) metal halide perovskites are natural quantum wells which consist of
low bandgap metal-halide slabs, surrounded by organic spacers barriers. The quantum and …
low bandgap metal-halide slabs, surrounded by organic spacers barriers. The quantum and …
Boosting exciton mobility approaching Mott-Ioffe-Regel limit in Ruddlesden− Popper perovskites by anchoring the organic cation
Exciton transport in two-dimensional Ruddlesden− Popper perovskite plays a pivotal role for
their optoelectronic performance. However, a clear photophysical picture of exciton transport …
their optoelectronic performance. However, a clear photophysical picture of exciton transport …
Electronic states modulation by coherent optical phonons in 2D halide perovskites
Excitonic effects underpin the fascinating optoelectronic properties of 2D perovskites that are
highly favorable for photovoltaics and light‐emitting devices. Analogous to switching in …
highly favorable for photovoltaics and light‐emitting devices. Analogous to switching in …
Polaron vibronic progression shapes the optical response of 2D perovskites
The optical response of 2D layered perovskites is composed of multiple equally‐spaced
spectral features, often interpreted as phonon replicas, separated by an energy Δ≃ 12− 40 …
spectral features, often interpreted as phonon replicas, separated by an energy Δ≃ 12− 40 …
Free carriers versus self-trapped excitons at different facets of Ruddlesden–Popper two-dimensional lead halide perovskite single crystals
The physical origin of sub-band gap photoluminescence in Ruddlesden–Poppers two-
dimensional (2D) lead halide perovskites (LHPs) is still under debate. In this paper, we …
dimensional (2D) lead halide perovskites (LHPs) is still under debate. In this paper, we …
Uncovering temperature-dependent exciton-polariton relaxation mechanisms in hybrid organic-inorganic perovskites
Hybrid perovskites have emerged as a promising material candidate for exciton-polariton
(polariton) optoelectronics. Thermodynamically, low-threshold Bose-Einstein condensation …
(polariton) optoelectronics. Thermodynamically, low-threshold Bose-Einstein condensation …
[HTML][HTML] Perspective on the physics of two-dimensional perovskites in high magnetic field
Two-dimensional (2D) metal halide perovskites consist of atomically thin layers composed of
low bandgap metal-halide slabs, surrounded by high bandgap organic ligands, which …
low bandgap metal-halide slabs, surrounded by high bandgap organic ligands, which …
Superior Phonon-Limited Exciton Mobility in Lead-Free Two-Dimensional Perovskites
Tin-based two-dimensional (2D) perovskites are emerging as lead-free alternatives in halide
perovskite materials, yet their exciton dynamics and transport remain less understood due to …
perovskite materials, yet their exciton dynamics and transport remain less understood due to …