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Unveiling the Origin of the Scale-Dependent Conductivity of Ni(HITP) Metal-Organic Framework Thin Films.
Small
January 2025
Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, 28049, Spain.
Conductive metal-organic frameworks (MOFs) are crystalline, intrinsically porous materials that combine remarkable electrical conductivity with exceptional structural and chemical versatility. This rare combination makes these materials highly suitable for a wide range of energy-related applications. However, the electrical conductivity in MOF-based devices is often limited by the presence of different types of structural disorder.
View Article and Find Full Text PDFReadily Accessible, Versatile, and Adaptive Biaxially Chiral Chromophores.
J Am Chem Soc
January 2025
Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States.
Precisely controlling quantum states is relevant in next-generation quantum computing, encryption, and sensing. Chiral organic chromophores host unique light-matter interactions, which allow them to manipulate the quantized circular polarization of photons. Axially chiral organic scaffolds, such as helicenes or twisted acenes, are powerful motifs in chiral light manipulation.
View Article and Find Full Text PDFScalable synthesis of (±)-gregatin A a 1,3-dipolar cycloaddition strategy.
Org Biomol Chem
January 2025
State Key Laboratory and Institute of Elemento-Organic Chemistry, Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, China.
A 6-step gram-scale synthesis of the fungal polyketide (±)-gregatin A is described. The synthetic route features an intermolecular 1,3-dipolar cycloaddition, a Mo-mediated disconnection of the isoxazole skeleton, and an acid-mediated deprotection/enamine hydrolysis and hemiketalization cascade.
View Article and Find Full Text PDFCrystallization in load-controlled shearing flows of monosized spheres.
Soft Matter
January 2025
Politecnico di Milano, 20133 Milano, Italy.
Identical, inelastic spheres crystallize when sheared between two parallel, bumpy planes under a constant load larger than a minimum value. We investigate the effect of the inter-particle friction coefficient of the sheared particles on the flow dynamics and the crystallization process with discrete element simulations. If the imposed load is about the minimum value to observe crystallization in frictionless spheres, adding small friction to the granular assembly results in a shear band adjacent to one of the planes and one crystallized region, where a plug flow is observed.
View Article and Find Full Text PDFTuning electronic and optical properties of 2D polymeric C by stacking two layers.
Nanoscale
January 2025
Theory of Condensed Matter Group, Cavendish Laboratory, University of Cambridge, J.J.Thomson Avenue, Cambridge CB3 0HE, UK.
Benefiting from improved stability due to interlayer van der Waals interactions, few-layer fullerene networks are experimentally more accessible compared to monolayer polymeric C. However, there is a lack of systematic theoretical studies on the material properties of few-layer C networks. Here, we compare the structural, electronic and optical properties of bilayer and monolayer fullerene networks.
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