Suppressing Ion Migration Enables Stable Perovskite Light‐Emitting Diodes with All‐Inorganic Strategy
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DOI: 10.1002/adfm.202001834
Abstract: Stability issue is one of the major concerns that limit emergent perovskite light-emitting diodes (PeLEDs) techniques. Generally, ion migration is considered as the most important origin of PeLEDs degradation. In this work, an all-inorganic device… read more here.
Keywords: ion migration; emitting diodes; light emitting; perovskite light ... See more keywords
Unravelling the Factors Influencing Halide Perovskite Based Switchable Photovoltaics
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202315982
Abstract: Lead halide perovskites have revolutionized the field of optoelectronics (such as photovoltaics and light emitting diodes) demonstrating extraordinary material properties despite being formed at low temperatures. However, ion migration in the bulk or at the… read more here.
Keywords: unravelling factors; perovskite based; halide; ion migration ... See more keywords
Impact of Buried Interface Texture on Compositional Stratification and Ion Migration in Perovskite Solar Cells
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DOI: 10.1002/adfm.202402655
Abstract: Despite the striking increase in the power conversion efficiency (PCE) of lead‐based perovskite solar cells (PSCs), their poor operational stability impedes their commercialization. Among the various factors that influence device stability, ion migration has been… read more here.
Keywords: texture; solar cells; ion migration; ion ... See more keywords
Rational Tailored Polyfluorosubstituted Amide Molecule for Stabilizing PbI6 Framework and Inhibiting Ion Migration Toward Highly Efficient and Stable Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202411014
Abstract: Perovskite solar cells (PSCs), while highly efficient, face stability challenges that hinder their commercial application. These instability issues mainly arise from the fragile nature of Pb─I bonds in perovskites, which easily break under environmental stresses… read more here.
Keywords: ion migration; molecule; perovskite solar;
Ionic Behaviors of Perovskite Devices and Their Neuromorphic Applications
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DOI: 10.1002/adfm.202510934
Abstract: The ionic properties of perovskite materials have long been regarded as an origin of instability, with conventional perspectives asserting that such intrinsic characteristics are inevitable and severely hinder practical applications. However, recent studies reveal that… read more here.
Keywords: devices neuromorphic; migration; ion migration; ionic behaviors ... See more keywords
Suppressing Interlayer Ion Migration in CsPbX3 Nanocrystal Films for Realizing Efficient and Stable Electroluminescence
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DOI: 10.1002/adma.202505214
Abstract: Mixed‐halide perovskite light‐emitting diodes (PeLEDs) face the critical challenge of field‐dependent phase separation. Discrete colloidal CsPbX3 nanocrystals anchored with ligands are promising to suppress phase separation, yet it remains a mystery how ion migration proceeds… read more here.
Keywords: phase separation; cspbx3; ion migration; ion ... See more keywords
Hysteretic Ion Migration and Remanent Field in Metal Halide Perovskites
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DOI: 10.1002/advs.202001176
Abstract: Abstract The gap in understanding how underlying chemical dynamics impact the functionality of metal halide perovskites (MHPs) leads to the controversy about the origin of many phenomena associated with ion migration in MHPs. In particular,… read more here.
Keywords: ion migration; metal halide; migration; ion ... See more keywords
Deconvolution of Light‐Induced Ion Migration Phenomena by Statistical Analysis of Cathodoluminescence in Lead Halide‐Based Perovskites
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DOI: 10.1002/advs.202103729
Abstract: Studying the compositional instability of mixed ion perovskites under light illumination is important to understand the mechanisms underlying their efficiency and stability. However, current techniques are limited in resolution and are unable to deconvolute minor… read more here.
Keywords: migration phenomena; statistical analysis; ion migration; ion ... See more keywords
Suppressing Ion Migration in Heterostructure Single Crystals for Highly Sensitive Ultra‐Stable X‐Ray Detection
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DOI: 10.1002/advs.202507588
Abstract: Heterostructure single crystals have emerged as a significant functional material system due to their unique properties and potential for novel optoelectronic device applications. Particularly, their distinctive structural characteristics offer promising prospects for suppressing ion migration,… read more here.
Keywords: heterostructure single; ion migration; ray; heterostructure ... See more keywords
Crystallization Enhancement and Ion Migration Suppression by a Multifunctional Additive for Stable Perovskite Solar Cells
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DOI: 10.1002/aelm.202500187
Abstract: Due to defect‐assisted non‐radiative recombination and ion migration, the high defect density in the perovskite light‐absorbing layer severely limits the device's efficiency and stability. Here, pyrene‐4,5,9,10‐tetraone is introduced as an additive to the perovskite precursor.… read more here.
Keywords: efficiency; pyrene tetraone; ion migration; ion ... See more keywords
In‐situ imaging of Li‐ion migration at interfaces in an all solid Li‐ion battery
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DOI: 10.1002/sia.6839
Abstract: We investigated the migration of Li ions at an interface between a LixTi5O12 (LTO) and a solid electrolyte in an all‐solid Li‐ion battery. The optical reflection of LTO changes with variations in the Li content… read more here.
Keywords: solid ion; lto; ion migration; ion battery ... See more keywords