This study illustrates the molecular composition of organic aerosols collected in the Houston, Texas, region using direct sampling interfaced with high-resolution mass spectrometry. This study highlights the episodic prevalence and day/nighttime distribution of organosulfates and organonitrates enriched species. Read more »
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Comparative Pore Structure and Dynamics for Bacterial Microcompartment Shell Protein Assemblies in Sheets or Shells
Bacterial microcompartment proteins can assemble into multiple structures, such as sheets, shells, and intermediates. While this is shown artistically in this figure, we study the differences in the pore dynamics within bacterial microcompartment assemblies to assess potential changes in permeability. Read more »
Tracking the reaction networks of acetaldehyde oxide and glyoxal oxide Criegee intermediates in the ozone-assisted oxidation reaction of crotonaldehyde
Criegee intermediates (CIs) are an important class of reactive intermediates with strong oxidizing capability, contributing to the oxidation of atmospheric SOx, NOx, and oxygenated organic compounds. In this work, the reaction networks of two CIs with the same carbon number but different functionality, formed in the ozone-assisted oxidation reaction of crotonaldehyde, are investigated. Read more »
Engineered π⋯π interactions favour supramolecular dimers X@[FeL3]2(X = Cl, Br, I): solid state and solution structure
Intermolecular interactions drive the formation of biological supramolecular architectures, inspiring the design of artificial supramolecular assemblies and molecular machines. Here, the engineering of supramolecular interactions allows selection of a self-recognition process of dimerization over one of helicate-cage formation. Read more »
Double-Helical Tiled Chain Structure of the Twist-Bend Liquid Crystal Phase in CB7CB
The structure of the twist-bend (TB) phase of the bent dimer CB7CB and its mixtures with 5CB is characterized, revealing a hidden invariance of the self-assembly of the TB structure. Remarkably, the distance along the length for a single turn of this helix is given by 2πRmol, where Rmol is the radius of the bend curvature of a single all-trans CB7CB molecule. Read more »
Revealing unprecedented cathode interface behavior in all-solid-state batteries with oxychloride solid electrolytes
This research provides crucial insights into the innovative design of high-performance all-solid-state batteries (ASSLBs) based on the promising lithium tantalum oxychloride (LTOC) solid electrolytes. Read more »
Engineering Lipophilic Aggregation of Adapalene and Adamantane-Based Cocrystals via van der Waals Forces and Hydrogen Bonding
Adamantanes are emerging building blocks for active pharmaceutical ingredients. In this work, we sought to understand how systematic modification of the hydrophobic cage in adamantanes could result in changes to crystal packing in single and multicomponent organic solids. Read more »
Two-dimensional perovskite templates for durable, efficient formamidinium perovskite solar cells
When the lattice-matched 2D perovskite BA2FAPb2I7 (red) is incorporated into a yellow-phase FAPbI3 matrix (yellow), the 2D crystallites present a perovskite-like surface, which serves as a template for the FAPbI3 to convert to its photoactive phase (black). The resulting phase-stabilized FAPbI3 shows substantially improved optoelectronic properties and exceptional stability under 85°C and sunlight. Read more »
Direct Observation of Room-Temperature Magnetic Skyrmion Motion Driven by Ultra-Low Current Density in Van Der Waals Ferromagnets
Researchers demonstrate current-driven magnetic skyrmion motion in van der Waals ferromagnets at room temperature. The skyrmion motion presents ultra-low critical current density to activate their dynamics, thanks to minimized defects in the van der Waals gap. The findings will provide a new platform for spintronics application in the future. Read more »
Aluminothermic reduction of CeO2: Mechanism of an economical route to aluminum–cerium alloys
In this study, we demonstrate a novel approach to producing Al–Ce alloys by reducing CeO2 in liquid aluminum at 95% reduction efficiency. This work provides the basis of an economic route to producing high-strength Al–Ce alloys with enhanced dispersion strengthening from embedded Al2O3 particles. Read more »
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