Correction for 'Single crystal formation in core-shell capsules' by Marie Mettler , , 2023, , 12739-12742, https://doi.org/10.1039/D3CC03727D.
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Phase Change-Mediated Capture of Carbon Dioxide from Air with a Molecular Triamine Network Solid.
J Am Chem Soc
March 2025
Institute for Decarbonization Materials, University of California, Berkeley, California 94720, United States.
The efficient removal of CO from exhaust streams and even directly from air is necessary to forestall climate change, lending urgency to the search for new materials that can rapidly capture CO at high capacity. The recent discovery that diamine-appended metal-organic frameworks can exhibit cooperative CO uptake via the formation of ammonium carbamate chains begs the question of whether simple organic polyamine molecules could be designed to achieve a similar switch-like behavior with even higher separation capacities. Here, we present a solid molecular triamine, 1,3,5-tris(aminomethyl)benzene (TriH), that rapidly captures large quantities of CO upon exposure to humid air to form the porous, crystalline, ammonium carbamate network solid TriH(CO)·HO (TriHCO).
View Article and Find Full Text PDFIs There Polyamorphism in Amorphous Indomethacin? Investigating the Physicochemical Properties of Amorphous Indomethacin with Different Thermal History.
Mol Pharm
March 2025
Department of Pharmacy, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark.
Polyamorphism in organic molecules is a poorly understood and controversial phenomenon related to amorphous materials. Although very few studies, including our own, have demonstrated the existence of polyamorphism in drug molecules, this solid-state phenomenon is still very elusive and the investigation of its occurrence in other drugs is fundamental to understand its formation. Indomethacin (IND) has been recently discussed in the literature as a potential drug exhibiting polyamorphism.
View Article and Find Full Text PDFOverlooked Role of Photogenerated Holes in Persistent Free Radical Formation on Hematite.
Environ Sci Technol
March 2025
Stockbridge School of Agriculture, University of Massachusetts, Amherst, Massachusetts 01003, United States.
Persistent free radicals (PFRs) have garnered considerable attention due to their long lifetime and high reactivity. However, the roles of photogenerated carriers in PFR formation remain underexplored. We compared and analyzed the PFR formation on hematite-SiO loaded catechol, combining experimental and theoretical investigations.
View Article and Find Full Text PDFSpectroscopic Manifestation of a Weak van der Waals Interaction Between -Stilbene and Hexagonal Boron Nitride Surface.
Langmuir
March 2025
Department of Information and Electrical Engineering and Applied Mathematics, University of Salerno, via Giovanni Paolo II 132, Fisciano, Salerno 84084, Italy.
The interaction between organic molecules and nanomaterials leads to complexation or the functionalization of later and modification of their properties, which are promising for electronics, terahertz technology, photonics, medical imaging, drug delivery, and other applications. Based on theoretical and experimental (THz, Raman, and fluorescence spectroscopy) studies, we analyzed the main spectroscopic characteristics of a weakly bound van der Waals complex of -stilbene (TS) molecule and hexagonal boron nitride (hBN). Raman scattering was demonstrated to be the most effective tool to confirm complex formation, exhibiting blue-shifted TS fingerprint lines in the TS + hBN Raman spectrum with respect to the spectra of pure TS or BN.
View Article and Find Full Text PDFLow-Crystallized Carbon as an Electron Mediator in g-CN/C/TiO for Enhancing Photocatalytic Degradation of Antibiotics.
Nanomaterials (Basel)
February 2025
College of Sciences, College of Forestry, Henan Agricultural University, Zhengzhou 450002, China.
Photodegradation of antibiotics based on photocatalytic semiconductors is a promising option to alleviate water pollution. Despite its limitations, TiO-based photocatalysts are still the most widely studied materials for pollutant degradation. In this work, a pomegranate-like g-CN/C/TiO nano-heterojunction was constructed using the hydrothermal-calcination method, consisting of interconnected small crystals with a dense structure and closely contacted interface.
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