Investigation of the nucleation and growth dynamics of FePt nanoparticles prepared via a high-temperature synthesis route employing PtCl2 as platinum precursor
文献信息
Hauke Heller, Kirsten Ahrenstorf, Jose A. C. Broekaert, Horst Weller
A high-temperature synthesis for FePt nanoparticles using Fe(acac)3 and PtCl2 as a less reactive platinum precursor than the commonly used Pt(acac)2 is investigated. The use of this precursor allows the synthesis of larger particles. Kinetic studies demonstrate a single nucleation event at the beginning of the reaction and a growth via consumption of monomers. Ostwald ripening does not occur under the investigated reaction conditions. A novel method for a further increase of particle sizes based on continuous injection of additional monomers during the growth regime is presented.
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来源期刊
Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.










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