In Situ Observation of Crystallization Dynamics and Grain Orientation in Sequential Deposition of Metal Halide Perovskites
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201902319
Abstract: Metal halide perovskites have revolutionized the development of highly efficient, solution‐processable solar cells. Further advancements rely on improving perovskite film qualities through a better understanding of the underlying growth mechanism. Here, a systematic in situ… read more here.
Keywords: halide perovskites; metal halide; grain orientation; sequential deposition ... See more keywords
The Saga of Water and Halide Perovskites: Evidence of Water in Methylammonium Lead Tri‐Iodide
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202204283
Abstract: The environment humidity effects on performance of halide perovskites (HaPs), especially MAPbI3, are known. Nevertheless, it is hard to find direct experimental evidence of H2O in the bulk materials at the levels lower than that… read more here.
Keywords: water; halide perovskites; evidence water; h2o ... See more keywords
Photonic Nanostructures Patterned by Thermal Nanoimprint Directly into Organo-Metal Halide Perovskites.
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DOI: 10.1002/adma.201605003
Abstract: Photonic nanostructures are created in organo-metal halide perovskites by thermal nanoimprint lithography at a temperature of 100 °C. The imprinted layers are significantly smoothened compared to the initially rough, polycrystalline layers and the impact of… read more here.
Keywords: thermal nanoimprint; metal halide; photonic nanostructures; organo metal ... See more keywords
The Electrical and Optical Properties of Organometal Halide Perovskites Relevant to Optoelectronic Performance.
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DOI: 10.1002/adma.201700764
Abstract: Organometal halide perovskites are under intense study for use in optoelectronics. Methylammonium and formamidinium lead iodide show impressive performance as photovoltaic materials; a premise that has spurred investigations into light-emitting devices and photodetectors. Herein, the… read more here.
Keywords: properties organometal; electrical optical; organometal halide; performance ... See more keywords
Dynamic Screening and Slow Cooling of Hot Carriers in Lead Halide Perovskites.
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DOI: 10.1002/adma.201803054
Abstract: Among the exceptional properties of lead halide perovskites (LHPs) is the ultraslow cooling of hot carriers. Carrier densities below the Mott density for large polarons (≤ ≈1018 cm-3 ) are focused on here. As in… read more here.
Keywords: dynamic screening; lead halide; cooling hot; hot carriers ... See more keywords
"Unleaded" Perovskites: Status Quo and Future Prospects of Tin-Based Perovskite Solar Cells.
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DOI: 10.1002/adma.201803230
Abstract: The tremendous interest focused on organic-inorganic halide perovskites since 2012 derives from their unique optical and electrical properties, which make them excellent photovoltaic materials. Pb-based halide perovskite solar cells, in particular, currently stand at a… read more here.
Keywords: perovskite solar; based perovskite; unleaded perovskites; halide perovskites ... See more keywords
Halide Perovskites for Nonlinear Optics.
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DOI: 10.1002/adma.201806736
Abstract: Halide perovskites provide an ideal platform for engineering highly promising semiconductor materials for a wide range of applications in optoelectronic devices, such as photovoltaics, light-emitting diodes, photodetectors, and lasers. More recently, increasing research efforts have… read more here.
Keywords: optics; nonlinear optics; halide perovskites; perovskites nonlinear ... See more keywords
Micro- and Nanopatterning of Halide Perovskites Where Crystal Engineering for Emerging Photoelectronics Meets Integrated Device Array Technology.
Sign Up to like & getrecommendations! Published in 2020 at "Advanced materials"
DOI: 10.1002/adma.202000597
Abstract: Tremendous efforts have been devoted to developing thin film halide perovskites (HPs) for use in high-performance photoelectronic devices, including solar cells, displays, and photodetectors. Furthermore, structured HPs with periodic micro- or nanopatterns have recently attracted… read more here.
Keywords: hps; device; perovskites crystal; halide perovskites ... 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
Diverging Expressions of Anharmonicity in Halide Perovskites
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DOI: 10.1002/adma.202107932
Abstract: Lead‐based halide perovskite crystals are shown to have strongly anharmonic structural dynamics. This behavior is important because it may be the origin of their exceptional photovoltaic properties. The double perovskite, Cs2AgBiBr6, has been recently studied… read more here.
Keywords: diverging expressions; halide perovskites; lead based; expressions anharmonicity ... See more keywords
Thermal Transport Properties of Phonons in Halide Perovskites.
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DOI: 10.1002/adma.202204872
Abstract: Halide perovskites have emerged as promising candidates for various applications, such as photovoltaic, optoelectronic, and thermoelectric applications. The knowledge of the thermal transport of halide perovskites is essential for enhancing the device performance for these… read more here.
Keywords: properties phonons; transport properties; halide perovskites; transport ... See more keywords