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Enhanced Nitrous Oxide Decomposition on Zirconium-Supported Rhodium Catalysts by Iridium Augmentation.
Environ Sci Technol
January 2025
Institute for Catalysis, Hokkaido University, N-21, W-10, Sapporo 001-0021, Japan.
The effective elimination of NO from automobile exhaust at low temperatures poses significant challenges. Compared to other materials, supported RhO catalysts exhibit high NO decomposition activities, even in the presence of O, CO, and HO. Metal additives can enhance the low-temperature NO decomposition activities over supported RhO catalysts; however, the enhancement mechanism and active sites require further investigation.
View Article and Find Full Text PDFEpitaxial CuO Thin Films Deposited from Solution: the Enabling Role of Cu Diffusion into the GaAs Substrate.
ACS Appl Mater Interfaces
January 2025
Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel.
Cuprous oxide (CuO) thin films were chemically deposited from a solution onto GaAs(100) and (111) substrates using a simple three-component solution at near-ambient temperatures (10-60 °C). Interestingly, a similar deposition onto various other substrates including Si(100), Si(111), glass, fluorine-doped tin oxide, InP, and quartz resulted in no film formation. Films deposited on both GaAs(100) and (111) were found alongside substantial etching of the substrates.
View Article and Find Full Text PDFHost-Matrix Interactions and Molecular Functionalization: Shaping the Delayed Emission Properties of Indenophenanthridine Derivatives.
Chempluschem
January 2025
Lodz University of Technology, Molecular Physics, Faculty of Chemistry, POLAND.
The advancement of organic room temperature phosphorescence (RTP) materials has attracted considerable interest owing to their extensive applications. Their distinct advantages, including a metal-free composition, low toxicity, and facile synthesis under ambient conditions, make them highly desirable. This study examines the delayed fluorescence (DF) and RTP of metal-free, amorphous indenophenanthridine (IND)-based derivatives (1-10) and provides insights into molecular functionalisation and host matrix effects on delayed emission (RTP and DF).
View Article and Find Full Text PDFAn sp2 Carbon-Conjugated Covalent Organic Framework for Fusing Lipid Droplets and Engineered Macrophage Therapy.
Angew Chem Int Ed Engl
January 2025
University of Macau, Institute of Chinese Medical Sciences, Avenida da Universidade, N22, Taipa, CHINA.
Engineered immune cell therapy has proven to be a transformative cancer treatment despite the challenges of its prohibitive costs and manufacturing complexity. In this study, we propose a concise "lipid droplet fusion" strategy for engineering macrophages. Because of the integration of hydrophobic alkyl chains and π-conjugated structures, the mildly synthesized sp2C-conjugated covalent organic framework (COF) UM-101 induced lipid droplet fusion and metabolic reprogramming of macrophages, thus promoting their antitumor classical activation.
View Article and Find Full Text PDFScalable Synthesis of 2D ErOCl with Sub-meV Narrow Emissions at Telecom Band.
Adv Mater
January 2025
School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.
Van der Waals (vdWs) materials are promising candidates for hetero-integration with silicon photonics toward miniaturization and integration. VdWs materials like molybdenum telluride and black phosphorus, despite being prominent, exhibit air sensitivity, and their room temperature emissions can be significantly broadened by tens of meV. Here, a self-encapsulation strategy is developed to scalably synthesize robust 2D vdWs ErOCl with sub-meV narrow emissions at the telecom C-band.
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