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Low Pt Loading on Wolframite-Type NiWO to Excel the Electrocatalytic Water Splitting and Ammonia Oxidation Reaction.
ACS Appl Mater Interfaces
January 2025
Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India.
Hydrogen production via water-splitting or ammonia electrolysis using transition metal-based electrodes is one of the most cost-effective approaches. Herein, ca. 1-4% of Pt atoms are stuffed into a wolframite-type NiWO lattice to improve the electrocatalytic efficiency.
View Article and Find Full Text PDFreconstructed prism-like CuO on copper foam assisted by fumaric acid for an enhanced electrochemical nitrate reduction reaction.
Dalton Trans
January 2025
Sun Yat-Sen University, MOE Laboratory of Polymeric Composite and Functional Materials, School of Materials Science and Engineering, Guangzhou 510275, China.
The electrochemical nitrate reduction reaction (NORR) is considered as a promising strategy for addressing environmental pollution and sustainable energy development. In this study, prism-like CuO loaded on copper foam (CuO/CF) was synthesized in a simple solvothermal reaction and an electrochemical reconstruction process. The electrochemical reconstruction process facilitates the formation of a CuO lattice structure on copper foam derived from FU-CF generated by the reaction of copper foam and fumaric acid (HFU) in DMF.
View Article and Find Full Text PDFCe1-xMnxVO4 with Improved Activity for Low-Temperature Catalytic Reduction of NO with NH3.
Chem Asian J
January 2025
Fudan University, Department of Environmental Science and Engineering, Shanghai Handan Road 220, 200433, Shanghai, CHINA.
Novel Ce1-xMnxVO4 catalysts prepared via modified hydrothermal synthesis were used in selective catalytic reduction of NO using NH3 (NH3-SCR). The Ce1-xMnxVO4 catalysts displayed optimum NO removal efficiency at 250 oC. Physicochemical properties including crystal type, morphology, particle size, elemental composition, BET surface area, chemical bond, and valence state were studied by XRD, TEM, EDS, N2 adsorption-desorption, Raman spectroscopy, and XPS.
View Article and Find Full Text PDFUltra-sensitive NO2 detection at room temperature enabled by ZnO@MoO3 core-shell nanocomposite.
Chem Asian J
January 2025
Yangzhou University, College of Mechanical Engineering, CHILE.
The sensitive detection of NO2 is crucial for environmental monitoring and improving quality of life. Herein, a ZnO@MoO3 core-shell nanocomposite was fabricated via a simple stepwise solution self-assembly and heat-treatment process. Remarkably, the ZnO@MoO3 sensor exhibited a high response value of 5.
View Article and Find Full Text PDFTuning the Acid Hardness Nature of Cu Catalyst for Selective Nitrate-to-Ammonia Electroreduction.
Angew Chem Int Ed Engl
January 2025
Institute of Chemistry Chinese Academy of Sciences, Institute of chemistry, Beiyijie number 2, Zhongguancun, 100190, Beijing, CHINA.
Electrocatalytic nitrate reduction reaction (NO3RR) in alkaline electrolyte presents a sustainable pathway for energy storage and green ammonia (NH3) synthesis. However, it remains challenging to obtain high activity and selectivity due to the limited protonation and/or desorption processes of key intermediates. Herein, we propose a strategy to regulate the acid hardness nature of Cu catalyst by introducing appropriate modifier.
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