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Picosecond quantum transients in halide perovskite nanodomain superlattices

Formamidinium lead iodide perovskite films exhibit picosecond-scale quantum transients (~2 ps), with their nanoscale superlattices defining energy levels that yield narrow emission lines and reveal the structure–emission relationship.

Dengyang Guo
Thomas A. Selby
Samuel D. Stranks
ResearchOpen Access29 Oct 2025
Nature Nanotechnology

Volume: 20, P: 1771-1778
Local symmetry breaking drives picosecond spin domain formation in polycrystalline halide perovskite films

The authors apply several advanced methods to probe spin dynamics in polycrystalline halide pervoskites.

Arjun Ashoka
Satyawan Nagane
Akshay Rao
Research12 Jun 2023
Nature Materials

Volume: 22, P: 977-984
Local nanoscale phase impurities are degradation sites in halide perovskites

A multimodal microscopy toolkit reveals nanoscale defect clusters in halide perovskite films and that these clusters are sites at which photochemical degradation seeds.

Stuart Macpherson
Tiarnan A. S. Doherty
Samuel D. Stranks
Research24 May 2022
Nature

Volume: 607, P: 294-300
Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot

Ion migration can induce overshoot of luminance in normal 3D perovskite light-emitting diode devices and results in reduced lifetime. Here Kim et al. show that the ion migration and overshoot can be suppressed in 3D/2D hybrid perovskites, leading to 21 times longer operational lifetime.

Hobeom Kim
Joo Sung Kim
Tae-Woo Lee
ResearchOpen Access06 Jul 2020
Nature Communications

Volume: 11, P: 1-13
Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes

Guanidinium doping is shown to enhance the operation of perovskite nanocrystal light-emitting diodes.

Young-Hoon Kim
Sungjin Kim
Tae-Woo Lee
Research04 Jan 2021
Nature Photonics

Volume: 15, P: 148-155

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Picosecond quantum transients in halide perovskite nanodomain superlattices

Local symmetry breaking drives picosecond spin domain formation in polycrystalline halide perovskite films

Local nanoscale phase impurities are degradation sites in halide perovskites

Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot

Comprehensive defect suppression in perovskite nanocrystals for high-efficiency light-emitting diodes

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