Suppressing Ion Migration Enables Stable Perovskite Light‐Emitting Diodes with All‐Inorganic Strategy
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
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
Hysteretic Ion Migration and Remanent Field in Metal Halide Perovskites
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Science"
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
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
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
In‐situ imaging of Li‐ion migration at interfaces in an all solid Li‐ion battery
Sign Up to like & getrecommendations! Published in 2020 at "Surface and Interface Analysis"
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
Morphology-Dependent Charge Carrier Dynamics and Ion Migration Behavior of CsPbBr3 Halide Perovskite Quantum Dot Films.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202207220
Abstract: Exceptional electronic, optoelectronic, and sensing properties of inorganic Cs-based perovskites are significantly influenced by the defect chemistry of the material. Although organic halide perovskites that have a polycrystalline structure are heavily studied, understanding of the… read more here.
Keywords: perovskite quantum; ion migration; charge; morphology dependent ... See more keywords
Enhanced Hole Mobility and Decreased Ion Migration Originated from Interface Engineering for High Quality PSCs with Average FF beyond 80%
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202200260
Abstract: Perovskite solar cells (PSCs) have made significant progress in power conversion efficiency (PCE) by optimizing deposition method, composition, interface, etc. Although the two‐step method demonstrates the advantage of being easy to operate, too much residual… read more here.
Keywords: pscs; hole mobility; ion migration; migration ... See more keywords
Bespoke photonic devices using ultrafast laser driven ion migration in glasses
Sign Up to like & getrecommendations! Published in 2017 at "Progress in Materials Science"
DOI: 10.1016/j.pmatsci.2017.12.002
Abstract: Abstract This Review provides an exhaustive and detailed description of ion migration phenomena which occur inside transparent dielectric media due to the interaction with intense ultrashort pulses. The paper differentiates various processes underlying the ion… read more here.
Keywords: ion migration; laser; ion; bespoke photonic ... See more keywords
Jahn–Teller distortion affected Li ion migration in spinel TiO2
Sign Up to like & getrecommendations! Published in 2017 at "Solid State Ionics"
DOI: 10.1016/j.ssi.2017.10.002
Abstract: Abstract In this paper, we study the effect of the Jahn-Teller (JT) distortion on the Li ion migration energy barrier in spinel TiO 2 by using first-principles calculations. Our results show that the JT distortion… read more here.
Keywords: ion migration; migration; jahn teller; teller distortion ... See more keywords
Oxygen Ion Migration and Conductivity in LaSrGa3O7 Melilites from First Principles
Sign Up to like & getrecommendations! Published in 2020 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.9b04599
Abstract: High oxygen ion conductivity of solid electrolytes is a crucial prerequisite for the efficiency of electrochemical devices such as solid oxide fuel cells and rechargeable oxide batteries. Lanthanum... read more here.
Keywords: ion migration; conductivity lasrga3o7; migration conductivity; ion ... See more keywords
Ion Migration Controlled Stability in α-Particle Response of CsPbBr2.4Cl0.6 Detectors
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c10758
Abstract: Halide perovskites have been considered as nuclear radiation detection materials due to their high mobility, long carrier lifetime, and high absorption coefficient. However, it has been reported th... read more here.
Keywords: particle response; response cspbbr2; ion migration; migration controlled ... See more keywords
Omnibearing Interpretation of External Ions Passivated Ion Migration in Mixed Halide Perovskites.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c03336
Abstract: Fundamental understanding of ion migration inside perovskites is of vital importance for commercial advancements of photovoltaics. However, the mechanism for external ions incorporation and its effect on ion migration remains elusive. Herein, taking K+ and… read more here.
Keywords: ion migration; halide perovskites; external ions; ion ... See more keywords