Ion Migration in Lead-Halide Perovskites: Cation Matters

K Niu, C Wang, J Zeng, Z Wang, Y Liu… - The Journal of …, 2024 - ACS Publications
Metal halide perovskites exhibit remarkable properties for optoelectronic applications, yet
their susceptibility to ion migration poses challenges for device stability. Previous research …

Ion migration in perovskite light‐emitting diodes: mechanism, characterizations, and material and device engineering

N Li, Y Jia, Y Guo, N Zhao - Advanced Materials, 2022 - Wiley Online Library
In recent years, perovskite light‐emitting diodes (PeLEDs) have emerged as a promising
new lighting technology with high external quantum efficiency, color purity, and wavelength …

Synergistic passivation and stepped-dimensional perovskite analogs enable high-efficiency near-infrared light-emitting diodes

Y Liu, C Tao, Y Cao, L Chen, S Wang, P Li… - Nature …, 2022 - nature.com
Formamidinium lead iodide (FAPbI3) perovskites are promising emitters for near-infrared
light-emitting diodes. However, their performance is still limited by defect-assisted …

Molecularly Designing a Passivation ETL to Suppress EQE Roll-off of PeLEDs

Q Wang, Y Chen, C Yan, X Zeng, X Fu, L Pan… - ACS Energy …, 2023 - ACS Publications
Efficiently suppressing the external quantum efficiency (EQE) roll-off of perovskite light-
emitting diodes (PeLEDs) urgently requires designing passivation electron transporting …

Thermal properties of polymer hole-transport layers influence the efficiency roll-off and stability of perovskite light-emitting diodes

L Zhao, DD Astridge, WB Gunnarsson, Z Xu, J Hong… - Nano Letters, 2023 - ACS Publications
While the performance of metal halide perovskite light-emitting diodes (PeLEDs) has rapidly
improved in recent years, their stability remains a bottleneck to commercial realization. Here …

Luminescence and Degeneration Mechanism of Perovskite Light‐Emitting Diodes and Strategies for Improving Device Performance

F Qin, M Lu, P Lu, S Sun, X Bai, Y Zhang - Small Methods, 2023 - Wiley Online Library
Perovskite light‐emitting diodes (PeLEDs) can be a promising technology for next‐
generation display and lighting applications due to their excellent optoelectronic properties …

Modulation of Charge Transport Layer for Perovskite Light‐Emitting Diodes

Y Li, X Guan, Y Zhao, Q Zhang, X Chen… - Advanced …, 2024 - Wiley Online Library
Perovskite light‐emitting diodes (Pero‐LEDs) have garnered significant attention due to their
exceptional emission characteristics, including narrow full width at half maximum, high color …

Ultra-low EQE roll-off and marvelous efficiency perovskite quantum-dots light-emitting-diodes achieved by ligand passivation

Y Ye, J Wang, Y Qiu, J Liu, B Ye, Z Yang, Z Gong, L Xu… - Nano Energy, 2021 - Elsevier
Recently, perovskite quantum dots (PQDs) were employed as promising emitters in light-
emitting diode devices (LEDs) mainly owing to their marvelous photoelectronics properties …

Eliminating the Adverse Impact of Composition Modulation in Perovskite Light‐Emitting Diodes toward Ultra‐High Brightness and Stability

Z Li, Z Ren, Q Liang, PWK Fong, J Tian… - Advanced …, 2024 - Wiley Online Library
Excess ammonium halides as composition additives are widely employed in perovskite light‐
emitting diodes (PeLEDs), aiming to achieve high performance by controlling crystallinity …

Degradation mechanisms of perovskite light-emitting diodes under electrical bias

DG Zheng, DH Kim - Nanophotonics, 2023 - degruyter.com
Metal-halide perovskite light-emitting diodes (PeLEDs) are considered as new-generation
highly efficient luminescent materials for application in displays and solid-state lighting …