Suppressed Lattice Disorder for Large Emission Enhancement and Structural Robustness in Hybrid Lead Iodide Perovskite Discovered by High‐Pressure Isotope Effect
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202009131
Abstract: The soft nature of organic–inorganic halide perovskites renders their lattice particularly tunable to external stimuli such as pressure, undoubtedly offering an effective way to modify their structure for extraordinary optoelectronic properties. Here, using the methylammonium… read more here.
Keywords: structural robustness; lattice disorder; isotope effect; lead iodide ... See more keywords
Enhanced Near‐Infrared Amplified Spontaneous Emission and Stability Improvement of Air‐Processed Pure Black‐Phase Formamidinium Lead Iodide Perovskite Films
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202419059
Abstract: Formamidine lead halide perovskite material is regarded as a competitive candidate for light amplification and lasers due to its ideal bandgap range and excellent optical properties. The formamidinium perovskites undergo a cubic‐to‐hexagonal transition in humid… read more here.
Keywords: perovskite films; lead iodide; stability; black phase ... See more keywords
Fluorinated 2D Lead Iodide Perovskite Ferroelectrics.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201901843
Abstract: Hybrid perovskite materials are famous for their great application potential in photovoltaics and optoelectronics. Among them, lead-iodide-based perovskites receive great attention because of their good optical absorption ability and excellent electrical transport properties. Although many… read more here.
Keywords: perovskite ferroelectrics; iodide perovskite; ferroelectricity; lead iodide ... See more keywords
Nonequilibrium Lattice Dynamics in Photoexcited 2D Perovskites
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DOI: 10.1002/adma.202202709
Abstract: Interplay between structural and photophysical properties of metal halide perovskites is critical to their utility in optoelectronics, but there is limited understanding of lattice response upon photoexcitation. Here, 2D perovskites butylammonium lead iodide, (BA)2PbI4, and… read more here.
Keywords: lead iodide; nonequilibrium lattice; dynamics photoexcited; photoexcited perovskites ... See more keywords
Multifunctional Metal-organic Frameworks Capsules Modulate Reactivity of Lead Iodide toward Efficient Perovskite Solar Cells with Ultraviolet Resistance.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301852
Abstract: The two-step sequential deposition process is demonstrated as a reliable technology for the fabrication of efficient perovskite solar cells (PVSCs). However, the complete conversion of dense PbI2 to perovskite in planar PVSCs is tough without… read more here.
Keywords: pbi2; lead iodide; solar cells; zif ... See more keywords
Photoluminescence of Bound‐Exciton Complexes and Assignment to Shallow Defects in Methylammonium/Formamidinium Lead Iodide Mixed Crystals
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202001969
Abstract: The high defect tolerance of metal halide perovskites, in terms of their exceptional optoelectronic properties, is assumed to be due to the very fact that most native point defects are shallow, which does not contribute… read more here.
Keywords: exciton complexes; methylammonium formamidinium; exciton; shallow defects ... See more keywords
Charge transfer from methylammonium lead iodide perovskite to organic transport materials: Efficiencies, transfer rates, and interfacial recombination
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DOI: 10.1002/aenm.201602349
Abstract: Perovskite-based photovoltaics have been rapidly developed, with record power conversion efficiencies now exceeding 22%. In order to rationally design efficient and stable perovskite solar cells, it is important to understand not only charge trapping and… read more here.
Keywords: methylammonium lead; charge; lead iodide; recombination ... See more keywords
Substitutional Growth of Methylammonium Lead Iodide Perovskites in Alcohols
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DOI: 10.1002/aenm.201701726
Abstract: Methylammonium lead iodide (MAPbI3) perovskites are organic–inorganic semiconductors with long carrier diffusion lengths serving as the light-harvesting component in optoelectronics. Through a substitutional growth of MAPbI3 catalyzed by polar protic alcohols, evidence is shown for… read more here.
Keywords: substitutional growth; methylammonium lead; lead iodide;
Self-Assembly of Delta-Formamidinium Lead Iodide Nanoparticles to Nanorods: Study of Memristor Properties and Resistive Switching Mechanism.
Sign Up to like & getrecommendations! Published in 2024 at "Small"
DOI: 10.1002/smll.202304787
Abstract: In the quest for advanced memristor technologies, this study introduces the synthesis of delta-formamidinium lead iodide (δ-FAPbI3 ) nanoparticles (NPs) and their self-assembly into nanorods (NRs). The formation of these NRs is facilitated by iodide… read more here.
Keywords: memristor; lead iodide; delta formamidinium; self assembly ... See more keywords
Lewis Acid–Base Adducts for Efficient and Stable Cesium‐Based Lead Iodide‐Rich Perovskite Solar Cells
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202201117
Abstract: All‐inorganic cesium‐lead‐iodide (CsPbI3Br3−x (2 < x < 3)) perovskite presents preeminent photovoltaic performance and chemical stability. Unfortunately, this kind of material suffers from phase transition to a nonperovskite phase under oxidative chemical stresses. Herein, the… read more here.
Keywords: lead iodide; solar cells; acid base; lewis acid ... See more keywords
Electrochemical approach for preparing conformal methylammonium lead iodide layer
Sign Up to like & getrecommendations! Published in 2019 at "Electrochemistry Communications"
DOI: 10.1016/j.elecom.2019.05.016
Abstract: Abstract Monolithic perovskite/Si tandem solar cells have attracted particular interest because of the potential to achieve high power conversion efficiencies. However, tandem cells require the use of textured Si substrates for efficient light harvesting, and… read more here.
Keywords: lead iodide; conformal methylammonium; methylammonium lead;