Time-Resolved SAXS Study of Gold and Silver Bimetallic Nanoparticle Formation for Controlled Nanostar Synthesis
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https://doi.esrf.fr/10.15151/ESRF-ES-2107740442
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资源简介：
This study aims to investigates the nucleation and growth mechanisms of gold nanoparticles (GNPs) and gold nanostars (GNSs) using time-resolved in situ small-angle X-ray scattering (SAXS) at the ESRF beamline ID02. By employing an accelerated Turkevich method, HAuCl₄ is rapidly reduced in an acidified ascorbic acid solution, forming GNPs. The addition of AgNO₃ within the first few seconds promotes nanostar morphology through silver-gold interaction. We focus on how temperature and the precise timing of AgNO₃ addition influence particle size, shape, and concentration. This research aims to uncover key mechanisms in nanoparticle formation and improve control over GNS synthesis for catalysis, sensing, and biomedical applications.
提供机构：
MPI of Colloids & Interface, Department of Biomaterials, Wissenschaftspark Golm, 14424 , Potsdam, GERMANY; Technion - Israel Institute of Technology, Department of Materials Engineering, Technion City, 32000, Haifa, ISRAEL; Technion - Israel Institute of Technology, Department of Materials Engineering, Technion City, 32000 Haifa, Israel; Technion Israel Institute of Technology, Department of Materials Science & Engineerig, De-Jur building, Room 616, 3200003 Haifa, Israel
创建时间：
2028-01-01
