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
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
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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
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Energy Materials"
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;
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;
Effects of annealing temperature on stability of methylammonium lead iodide perovskite powders
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.05.170
Abstract: Abstract The methylammonium lead iodide (CH3NH3PbI3 or MAPbI) material is currently investigated as active material in perovskite solar cells. Its stability, high optical band gap, low processing temperature and abundant elemental constituents provide numerous advantages… read more here.
Keywords: perovskite powders; temperature; lead iodide; stability ... See more keywords
Poly (ethylene glycol) stabilized synthesis of inorganic cesium lead iodide polycrystalline light-absorber for perovskite solar cell
Sign Up to like & getrecommendations! Published in 2019 at "Materials Letters"
DOI: 10.1016/j.matlet.2018.12.121
Abstract: Abstract The newer route of poly (ethylene glycol) (PEG) stabilized the cesium lead iodide (PEG-CsPbI3) light-absorber have prepared for Inorganic perovskite solar cell application. The prepared PEG-CsPbI3, uniform multicrystalline growth on the electrode surface and… read more here.
Keywords: microscopy; lead iodide; ethylene glycol; cesium lead ... See more keywords