Tin and Mixed Lead-Tin Halide Perovskite Solar Cells: Progress and their Application in Tandem Solar Cells.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.201907392
Abstract: Metal halide perovskites have recently attracted enormous attention for photovoltaic applications due to their superior optical and electrical properties. Lead (Pb) halide perovskites stand out among this material series, with a power conversion efficiency (PCE)… read more here.
Keywords: lead tin; lead; halide; tandem solar ... See more keywords
Understanding the Effect of Crystalline Structural Transformation for Lead-Free Inorganic Halide Perovskites.
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DOI: 10.1002/adma.202002137
Abstract: Lead-free inorganic halide perovskites have triggered appealing interests in various energy-related applications including solar cells and photocatalysis. However, why perovskite-structured materials exhibit excellent photoelectric properties and how the unique crystalline structures affect the charge behaviors… read more here.
Keywords: lead free; transformation; inorganic halide; free inorganic ... See more keywords
Highly Thermotolerant Metal Halide Perovskite Solids.
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DOI: 10.1002/adma.202002495
Abstract: By virtue of their narrow emission bands, near-unity quantum yield, and low fabrication cost, metal halide perovskites hold great promise in numerous aspects of optoelectronic applications, including solid-state lighting, lasing, and displays. Despite such promise,… read more here.
Keywords: halide; temperature; solid state; metal halide ... See more keywords
In Situ Grazing-Incidence Wide-Angle Scattering Reveals Mechanisms for Phase Distribution and Disorientation in 2D Halide Perovskite Films.
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DOI: 10.1002/adma.202002812
Abstract: 2D hybrid halide perovskites with the formula (A')2 (A)n -1 Pbn I3 n +1 have remarkable stability and promising efficiency in photovoltaic and optoelectronic devices, yet fundamental understanding of film formation, key to optimizing these… read more here.
Keywords: film formation; incidence wide; grazing incidence; film ... See more keywords
Photoinduced Halide Segregation in Ruddlesden-Popper 2D Mixed Halide Perovskite Films.
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DOI: 10.1002/adma.202105585
Abstract: 2D lead halide perovskites, which exhibit bandgap tunability and increased chemical stability, have been found to be useful for designing optoelectronic devices. Reducing dimensionality with decreasing number of layers (n = 10-1) also imparts resistance to light-induced… read more here.
Keywords: mixed halide; halide perovskite; ion; segregation ... See more keywords
Manipulating Color Emission in 2D Hybrid Perovskites by Fine Tuning Halide Segregation: A Transparent Green Emitter.
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DOI: 10.1002/adma.202105942
Abstract: Halide perovskite materials offer an ideal playground for easily tuning their color and, accordingly, the spectral range of their emitted light. In contrast to common procedures, this work demonstrates that halide substitution in Ruddlesden-Popper perovskites… read more here.
Keywords: color; manipulating color; transparent; segregation ... See more keywords
Quantifying Efficiency Limitations in All‐Inorganic Halide Perovskite Solar Cells
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DOI: 10.1002/adma.202108132
Abstract: While halide perovskites have excellent optoelectronic properties, their poor stability is a major obstacle toward commercialization. There is a strong interest to move away from organic A‐site cations such as methylammonium and formamidinium toward Cs… read more here.
Keywords: halide; solar cells; efficiency; perovskite solar ... See more keywords
Stabilization of Metastable Halide Perovskite Lattices in the 2D Limit
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DOI: 10.1002/adma.202108556
Abstract: Metal halide perovskites constitute a new class of semiconductors that are structurally tailorable, exhibiting rich structural polymorphs. In this perspective, the polymorphism in lead halide perovskites is described—a material system currently used for high‐performance photovoltaics… read more here.
Keywords: lattices limit; halide; perovskite lattices; stabilization metastable ... See more keywords
Highly Stable Halide‐Electrolyte‐Based All‐Solid‐State Li–Se Batteries
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DOI: 10.1002/adma.202200856
Abstract: Solid‐state Li–S and Li–Se batteries are promising devices that can address the safety and electrochemical stability issues that arise from liquid‐based systems. However, solid‐state Li–Se/S batteries usually present poor cycling stability due to the high… read more here.
Keywords: state; halide; solid state; state batteries ... See more keywords
Structural Dynamics and Tunability for Colloidal Tin Halide Perovskite Nanostructures
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DOI: 10.1002/adma.202201353
Abstract: Lead halide perovskite nanocrystals are highly attractive for next‐generation optoelectronics because they are easy to synthesize and offer great compositional and morphological tunability. However, the replacement of lead by tin for sustainability reasons is hampered… read more here.
Keywords: halide; tin; halide perovskite; tunability ... See more keywords
In Situ Halide Exchange of Cesium Lead Halide Perovskites for Blue Light‐Emitting Diodes
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DOI: 10.1002/adma.202207111
Abstract: 3D perovskites are promising to achieve efficient and bright deep‐blue light‐emitting diodes (LEDs), which are required for lighting and display applications. However, the efficiency of deep‐blue 3D perovskite‐based LEDs is limited by high density of… read more here.
Keywords: blue light; halide; halide exchange; deep blue ... See more keywords