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Regulating the Crystallization and Morphology of PbI Precursor Films for the Growth of High-Quality Perovskite Films via Vapor-Solid Reaction.
ACS Appl Mater Interfaces
March 2025
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
Developing vapor-solid reaction methods to prepare organic-inorganic hybrid perovskite thin films is highly compatible with processes in crystalline silicon solar cells and the thin-film photovoltaic industries, facilitating rapid industrialization. In the vapor-solid reaction, the crystallization quality of perovskite thin films is widely influenced by the crystallinity and microstructure of lead iodide (PbI) precursor films. During the thermal evaporation process of preparing the PbI precursor films, we observed that PbI tends to develop a disordered surface morphology and exhibits high crystallinity, which significantly hinders the uniform diffusion of the organic amine salt vapor during the subsequent vapor-solid reaction.
View Article and Find Full Text PDFSynthesis and crystal structures of five fluorinated diphenidine derivatives.
Acta Crystallogr E Crystallogr Commun
March 2025
School of Science and Technology, Nottingham Trent University, Nottingham NG11, 8NS, United Kingdom.
Diphenidine (), a dissociative anaesthetic, was first reported in 2013. Since then, a number of derivatives 2-methoxphenidine () have been produced by clandestine laboratories and sold as . Fluorinated diphenidines, namely, [1-(2,6-di-fluoro-phen-yl)-2-phenyl-eth-yl]di-methyl-aza-nium chloride, CHFN·Cl, (), [1-(2,6-di-fluoro-phen-yl)-2-phenyl-eth-yl](eth-yl)aza-nium chloride di-chloro-methane hemisolvate, 2CHFN·2Cl·CHCl, (), -but-yl[1-(2,6-di-fluoro-phen-yl)-2-phenyl-eth-yl]aza-nium chloride, CHFN·Cl, (), 1-[1-(2,6-di-fluoro-phen-yl)-2-phenyl-eth-yl]pyrrolidin-1-ium chloride, CHFN·Cl, (), and 1-[1-(2,3,4,5,6-penta-fluoro-phen-yl)-2-phenyl-eth-yl]piperidin-1-ium chloride, CHFN·Cl, (), were synthesized and structurally characterized by H, C and F NMR spectroscopy, and single-crystal X-ray diffraction.
View Article and Find Full Text PDFEXPRESS: In Silico Exploration of Bioactive Secondary Metabolites with Anesthetic Effects on Sodium Channels Nav 1.7, 1.8, and 1.9 in Painful Human Dental Pulp.
Mol Pain
March 2025
Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Str. Koryun 2, Yerevan 0025, Armenia.
Aim: To investigate the efficacy of medicinal plant bioactive secondary metabolites as inhibitors of voltage-gated sodium channels (Nav1.7, Nav1.8, and Nav1.
View Article and Find Full Text PDFMannich Bases: Promising Scaffolds for the Treatment of Infectious Diseases.
Curr Med Chem
March 2025
Department of Drugs and Medicines, School of Pharmaceutical Sciences, Sao Paulo State University (UNESP), Araraquara, SP, Brazil.
Mannich bases, synthesized through the reaction of an aldehyde, a primary or secondary amine, and a compound bearing an acidic hydrogen atom, represent a versatile class of scaffolds in medicinal chemistry. This review explores their broad spectrum of biological activities, emphasizing their potential in combating infectious diseases. With demonstrated efficacy against bacteria, fungi, and parasites, Mannich bases stand out as promising candidates for the development of novel therapeutic agents.
View Article and Find Full Text PDFComputational Identification of Potential Organocatalysts (CIPOC) Reveals a 2-aminoDMAP/Urea Catalyst Superior to Its Thiourea Analogue.
J Am Chem Soc
March 2025
Department of Chemistry, Middle East Technical University, 06800 Ankara, Türkiye.
Asymmetric organocatalysis by bifunctional acid- and base-type small organic molecules has emerged as a promising way to enhance stereoselective organic transformations since the beginning of this millennium. Takemoto's -amine/thiourea catalyst, an archetype in these endeavors, has encouraged many to design new multifunctional alternatives. However, the discovery of efficient catalysts in a library of thousands of candidates containing the desired functionalities in their structures remains a great challenge both synthetically and computationally.
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