1639 papers
Exposure of Haynes 230 alloy to high-temperature ultrahigh-vacuum conditions for up to 2000 hours induces surface degradation through selective element volatilization and carbide precipitation, leading to pronounced mechanical property deterioration at 900°C caused by Cr depletion, grain-boundary sinking, and rapid oxygen diffusion along grain boundaries.
This study demonstrates that the specific sequence arrangement of amino acids, rather than just their composition, critically governs the early association energetics, intermolecular contacts, and electrostatic landscapes of α-synuclein and amyloid β peptides through quantum chemical modeling, highlighting the unique role of residue order in the molecular mechanisms underlying neurodegenerative diseases.
This study demonstrates that incorporating 7 wt% nano-sized alumina into a PEMA/KI/EC polymer electrolyte significantly enhances its ionic conductivity to 2.65×10⁻³ S/cm, resulting in a dye-sensitized solar cell with an energy conversion efficiency of 2.09%.
This study reveals that crystallization-driven self-assembly of PS-b-PLLA platelets and their subsequent melting are linked by a reversible, transient crystalline micelle intermediate, demonstrating that while growth and disassembly follow distinct microscopic pathways, they share a common mesoscale building block governed by interfacial and corona-stretching free energies.
This study employs reactive force-field molecular dynamics and density functional theory to elucidate the atomistic mechanisms of coupled thermal runaway in LiFePO₄ batteries, revealing how the synergistic degradation of the solid electrolyte interphase, alumina-coated separator, and electrolyte drives the transition from single-component failure to multiphase thermal collapse.
This study demonstrates that engineering branched alkyl side chains in oxindole-based non-fullerene acceptors, particularly the octyl-substituted WH7, combined with synergistic solvent and thermal annealing, significantly enhances organic solar cell performance to 8.21% by optimizing blend morphology and balancing charge transport.
This study demonstrates that a zinc phthalocyanine-embedded Schiff-Base polymer encapsulated TiO2 nanocomposite, synthesized via a solid-state mechanochemical pathway, achieves 88% efficient photochemical remediation of hexavalent chromium under LED irradiation, significantly outperforming pure TiO2.
This study demonstrates that the steric bulk of N-alkyl substituents in Schiff base ligands dictates the coordination geometry and oxidation state of cobalt complexes, where the less hindered cyclopentyl group yields an octahedral Co(III) tris-chelate while the bulkier cyclohexyl group forms a tetrahedral Co(II) bis-chelate, with the latter exhibiting superior urease inhibitory activity.
This study reports a hydrothermally synthesized amorphous Ce0.5Fe0.5O1.75/NiO heterostructure on nickel foam that exhibits exceptional oxygen evolution reaction performance and durability in alkaline freshwater by leveraging d–f orbital coupling and interfacial charge redistribution to optimize intermediate adsorption and electron transport.
This study establishes a chemically corroborated, three-tier reflectance spectral library for the Yungang Grottoes (Caves 7–8) that significantly improves non-invasive pigment identification accuracy through a weighted matching algorithm, enabling a comprehensive pigment inventory and scalable hyperspectral mapping for future conservation efforts.