Halide Double‐Perovskite Light‐Emitting Centers Embedded in Lattice‐Matched and Coherent Crystalline Matrix
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DOI: 10.1002/adfm.202000653
Abstract: Through first‐principles calculations, it is found that two lattice‐matched halide double‐perovskites, Cs2NaBiBr6 and Cs2AgBiBr6, have a type‐I band alignment and can form highly miscible alloys in which the disordering makes the bandgaps become direct and… read more here.
Keywords: halide double; lattice matched; lattice; crystalline matrix ... See more keywords
Light-Patterned Crystallographic Direction of a Self-Organized 3D Soft Photonic Crystal.
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DOI: 10.1002/adma.201703165
Abstract: Uniform and patterned orientation of a crystallographic direction of ordered materials is of fundamental significance and of great interest for electronic and photonic applications. However, such orientation control is generally complicated and challenging with regard… read more here.
Keywords: direction; patterned crystallographic; orientation; light ... See more keywords
Ultrastrong Medium-Entropy Single-Phase Alloys Designed via Severe Lattice Distortion.
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DOI: 10.1002/adma.201807142
Abstract: Severe lattice distortion is a core effect in the design of multiprincipal element alloys with the aim to enhance yield strength, a key indicator in structural engineering. Yet, the yield strength values of medium- and… read more here.
Keywords: severe lattice; medium entropy; lattice distortion; lattice ... See more keywords
Polymorphic Spin, Charge, and Lattice Waves in Vanadium Ditelluride.
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DOI: 10.1002/adma.201906578
Abstract: Lattice distortion, spin interaction, and dimensional crossover in transition metal dichalcogenides (TMDs) have led to intriguing quantum phases such as charge density waves (CDWs) and 2D magnetism. However, the combined effect of many factors in… read more here.
Keywords: polymorphic spin; spin charge; spin; charge lattice ... See more keywords
Enhancing the Reversibility of Lattice Oxygen Redox Through Modulated Transition Metal–Oxygen Covalency for Layered Battery Electrodes
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DOI: 10.1002/adma.202201152
Abstract: Utilizing reversible lattice oxygen redox (OR) in battery electrodes is an essential strategy to overcome the capacity limitation set by conventional transition metal redox. However, lattice OR reactions are often accompanied with irreversible oxygen oxidation,… read more here.
Keywords: transition metal; reversibility; lattice; oxygen ... 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
Formation and Applications in Electronic Devices of Lattice‐Aligned Gallium Oxynitride Nanolayer on Gallium Nitride (Adv. Mater. 12/2023)
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202208960
Abstract: Gallium nitride (GaN), a promising alternative semiconductor to Si, is widely used in photoelectronic and electronic technologies. However, the vulnerability of the GaN surface is a critical restriction that hinders the development of GaN-based devices,… read more here.
Keywords: gan surface; gallium nitride; gallium; gallium oxynitride ... See more keywords
Unveiling strong ion-electron-lattice coupling and electronic antidoping in hydrogenated perovskite nickelate.
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DOI: 10.1002/adma.202300617
Abstract: Despite highly promising for applications in emergent electronic devices, decoding ion-electron-lattice coupling in correlated materials at atomic scale and electronic band structure remains a big challenge due to the strong and complex correlation among these… read more here.
Keywords: electron lattice; lattice; lattice coupling; ion electron ... See more keywords
Tailored Lattice “Tape” to Confine Tensile Interface for 11.08%‐Efficiency All‐Inorganic CsPbBr3 Perovskite Solar Cell with an Ultrahigh Voltage of 1.702 V
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DOI: 10.1002/advs.202101418
Abstract: Abstract The crystal distortion such as lattice strain and defect located at the surfaces and grain boundaries induced by soft perovskite lattice highly determines the charge extraction‐transfer dynamics and recombination to cause an inferior efficiency… read more here.
Keywords: voltage 702; perovskite solar; lattice tape; cspbbr3 ... See more keywords
Direct Visualization of Large-Scale Intrinsic Atomic Lattice Structure and Its Collective Anisotropy in Air-Sensitive Monolayer 1T'- WTe2.
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DOI: 10.1002/advs.202101563
Abstract: Probing large-scale intrinsic structure of air-sensitive 2D materials with atomic resolution is so far challenging due to their rapid oxidization and contamination. Here, by keeping the whole experiment including growth, transfer, and characterizations in an… read more here.
Keywords: large scale; monolayer; air sensitive; structure ... See more keywords
Simultaneous Lattice Engineering and Defect Control via Cadmium Incorporation for High‐Performance Inorganic Perovskite Solar Cells
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DOI: 10.1002/advs.202204486
Abstract: Doping of all‐inorganic lead halide perovskites to enhance their photovoltaic performance and stability has been reported to be effective. Up to now most studies have focused on the doping of elements in to the perovskite… read more here.
Keywords: inorganic perovskite; performance; high performance; performance inorganic ... See more keywords