• Nanoscale control of internal inhomogeneity enhances water transport in desalination membranes

    Updated: 2023-12-09 15:48:53
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  • Monolithic perovskite/silicon tandem solar cell with 29% efficiency by enhanced hole extraction

    Updated: 2023-12-09 15:48:51
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  • Directly visualizing the momentum-forbidden dark excitons and their dynamics in atomically thin semiconductors

    Updated: 2023-12-09 15:48:51
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  • Constrained minimal-interface structures in polycrystalline copper with extremely fine grains

    Updated: 2023-12-09 15:48:49
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  • Locking in nanoscale strength

    Updated: 2023-12-09 15:48:49
    (Source: ScienceNOW)

  • Rational design of layered oxide materials for sodium-ion batteries

    Updated: 2023-12-09 15:48:49
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  • Atomic-scale microstructure of metal halide perovskite

    Updated: 2023-12-09 15:48:49
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  • Metal-organic magnets with large coercivity and ordering temperatures up to 242{degrees}C

    Updated: 2023-12-09 15:48:49
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  • Vacancies enhance proton conductivity

    Updated: 2023-12-09 15:48:48
    (Source: ScienceNOW)

  • Speeding protons with metal vacancies

    Updated: 2023-12-09 15:48:48
    (Source: ScienceNOW)

  • Design of higher valency in covalent organic frameworks

    Updated: 2023-12-09 15:48:47
    We report a strategy for making COFs with valency 8 (cubes) and "infinity" (rods). The linker 1,4-boronophenylphosphonic acid—designed to have boron and phosphorus as an isoelectronic combination of carbon-group elements—was condensed into a porous, polycubane structure (BP-COF-1) formulated as (–B4P4O12–)(–C6H4–)4. It was characterized by x-ray powder diffraction techniques, which revealed cubes linked with phenyls. The isoreticular forms (BP-COF-2 to 5) were similarly prepared and characterized. Large single crystals of a constitutionally isomeric COF (BP-COF-6), composed of rod units, were also synthesized using the same strategy, thus propelling COF chemistry into a new valency regime. (Source: ScienceNOW)

  • Process to recover metals from batteries licensed by Momentum Technologies

    Updated: 2023-12-09 15:48:47
    (DOE/Oak Ridge National Laboratory) Momentum Technologies Inc., a Dallas, Texas-based materials science company that is focused on extracting critical metals from electronic waste, has licensed an Oak Ridge National Laboratory process for recovering cobalt and other metals from spent lithium-ion batteries. (Source: EurekAlert! - Biology)

  • Physics professor recognized for pioneering research

    Updated: 2023-12-09 15:48:47
    (University of Texas at Arlington) The International Association of Advanced Materials (IAAM) has selected a physicist and renowned cancer researcher at The University of Texas at Arlington as a fellow in recognition of his original and significant research in the fields of materials science, engineering and technology. (Source: EurekAlert! - Cancer)

  • Black phosphorus composites with engineered interfaces for high-rate high-capacity lithium storage

    Updated: 2023-12-09 15:48:46
    We report use of black phosphorus (BP) as the active anode for high-rate, high-capacity Li storage. The formation of covalent bonds with graphitic carbon restrains edge reconstruction in layered BP particles to ensure open edges for fast Li+ entry; the coating of the covalently bonded BP-graphite particles with electrolyte-swollen polyaniline yields a stable solid–electrolyte interphase and inhibits the continuous growth of poorly conducting Li fluorides and carbonates to ensure efficient Li+ transport. The resultant composite anode demonstrates an excellent combination of capacity, rate, and cycling endurance. (Source: ScienceNOW)

  • Engineering phosphorous anodes

    Updated: 2023-12-09 15:48:46
    (Source: ScienceNOW)

  • Moving a perovskite into the black

    Updated: 2023-12-09 15:48:46
    (Source: ScienceNOW)

  • Pathways for ductility

    Updated: 2023-12-09 15:48:46
    (Source: ScienceNOW)

  • Multiplicity of dislocation pathways in a refractory multiprincipal element alloy

    Updated: 2023-12-09 15:48:45
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  • Impact of strain relaxation on performance of {alpha}-formamidinium lead iodide perovskite solar cells

    Updated: 2023-12-09 15:48:45
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  • Vapor-assisted deposition of highly efficient, stable black-phase FAPbI3 perovskite solar cells

    Updated: 2023-12-09 15:48:45
    We report a deposition method using MA thiocyanate (MASCN) or FASCN vapor treatment to convert yellow -FAPbI3 perovskite films to the desired pure α-phase. NMR quantifies MA incorporation into the framework. Molecular dynamics simulations show that SCN– anions promote the formation and stabilization of α-FAPbI3 below the thermodynamic phase-transition temperature. We used these low-defect-density α-FAPbI3 films to make PSCs with >23% power-conversion efficiency and long-term operational and thermal stability, as well as a low (330 millivolts) open-circuit voltage loss and a low (0.75 volt) turn-on voltage of electroluminescence. (Source: ScienceNOW)

  • Center for Nanoscale Science renewed at $18 million for six years

    Updated: 2023-12-09 15:48:45
    (Penn State) The Center for Nanoscale Science, a National Science Foundation Materials Science and Engineering Center (MRSEC), has again successfully renewed its NSF support in the highly competitive MRSEC program. The new iteration of the center encompasses two of NSF's Big Ideas -- 'Quantum Leap' and 'Harnessing the Data Revolution.' (Source: EurekAlert! - Biology)

  • Self-limiting bonding

    Updated: 2023-12-09 15:48:44
    (Source: ScienceNOW)MedWorm Message:

  • Self-limiting directional nanoparticle bonding governed by reaction stoichiometry

    Updated: 2023-12-09 15:48:44
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  • Super-durable ultralong carbon nanotubes

    Updated: 2023-12-09 15:48:44
    Fatigue resistance is a key property of the service lifetime of structural materials. Carbon nanotubes (CNTs) are one of the strongest materials ever discovered, but measuring their fatigue resistance is a challenge because of their size and the lack of effective measurement methods for such small samples. We developed a noncontact acoustic resonance test system for investigating the fatigue behavior of centimeter-long individual CNTs. We found that CNTs have excellent fatigue resistance, which is dependent on temperature, and that the time to fatigue fracture of CNTs is dominated by the time to creation of the first defect. (Source: ScienceNOW)

  • Aerogel - the micro structural material of the future

    Updated: 2023-12-09 15:48:43
    (Swiss Federal Laboratories for Materials Science and Technology (EMPA)) Aerogel is an excellent thermal insulator. So far, however, it has mainly been used on a large scale, for example in environmental technology, in physical experiments or in industrial catalysis. Empa researchers have now succeeded in making aerogels accessible to microelectronics and precision engineering: An article in the latest issue of the scientific journal " Nature " shows how 3D-printed parts made of silica aerogels and silica composite materials can be manufactured with high precision. (Source: EurekAlert! - Biology)

  • Covalent surface modifications and superconductivity of two-dimensional metal carbide MXenes

    Updated: 2023-12-09 15:48:43
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  • Iron-based superelastic alloys with near-constant critical stress temperature dependence

    Updated: 2023-12-09 15:48:42
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  • How hair deforms steel

    Updated: 2023-12-09 15:48:42
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  • Chemical vapor deposition of layered two-dimensional MoSi2N4 materials

    Updated: 2023-12-09 15:48:42
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