Monodispersed intermetallic AuCu pentagonal nanorods with controlled size and composition have been developed by a seed-mediated growth route. The AuCu/C nanomaterial catalyzed the coupling reaction of sulfonamide with benzyl alcohol in good to excellent yields.
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http://dx.doi.org/10.1039/c3cc47254j | DOI Listing |
Phys Chem Chem Phys
January 2025
Theoretical Physics Section, Bhabha Atomic Research Centre, Mumbai-400085, India.
Extensive research on ultrashort laser-induced melting of noble metals like Au, Ag and Cu is available. However, studies on laser energy deposition and thermal damage of their alloys, which are currently attracting interest for energy harvesting and storage devices, are limited. This study investigates the melting damage threshold (DT) of three intermetallic alloys of Au and Cu (AuCu, AuCu and AuCu) subjected to single-pulse femtosecond laser irradiation, comparing them with their constituent metals.
View Article and Find Full Text PDFNanoscale
January 2025
Quantum Solid-State Physics, Department of Physics and Astronomy, KU Leuven, Belgium.
The photoelectrochemical (PEC) water splitting reaction of bimetallic AuCu ( = 1, 0.75, 0.5, 0.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
September 2024
School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, China.
Electrochemical nitrate reduction reaction (NitRR) uses nitrate from wastewater, offering a hopeful solution for environmental issues and ammonia production. Yet, varying nitrate levels in real wastewater greatly affect NitRR, slowing down its multi-step process. Herein, a multi-strategy approach was explored through the design of ordered mesoporous intermetallic AuCu nanocorals with ultrathin Au skin (meso-i-AuCu@ultra-Au) as an efficient and concentration-versatile catalyst for NitRR.
View Article and Find Full Text PDFACS Appl Mater Interfaces
April 2024
School of Computer Science and Technology, Shandong University of Technology, Zibo 255000, China.
Developing a high-performance electrocatalyst for synthesizing ammonia from nitrate represents a promising solution for addressing wastewater pollution and achieving sustainable ammonia production. However, it remains a formidable challenge. Herein, an intermetallic AuCu electrocatalyst with high-density active sites is designed and prepared for an efficient nitrate electroreduction to generate ammonia.
View Article and Find Full Text PDFJ Phys Condens Matter
November 2023
Jiangsu Key Laboratory of Thin Films, School of Physical Science and Technology, Soochow University, Suzhou 215006, People's Republic of China.
The AuCu-type intermetallic compoundsIn(= a rare earth ion) with type-IV magnetic space groups are predicted to show topologically nontrivial electronic states. Here, we grow ErInsingle crystals, and study their magnetic properties and critical behaviors by means of the magnetic susceptibility, and magnetization isotherm measurements. Combining a detailed analysis of the magnetic susceptibility and isothermal magnetization, we find that this compound harbors a complicated magnetic phase diagram, and its magnetic moment arrangement appears not to simply follow the fashion as observed in the isostructural counterpart GdIn(it adopts a conventional type-magnetic structure that belongs to type-IV magnetic space groups).
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