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• W3125284305 abstract "Pulsed laser ablation in liquids (PLAL) is a promising technique for the generation of colloidal alloy nanoparticles that are of high demand in a broad range of fields, including catalysis, additive manufacturing, and biomedicine. Many of the applications have stringent requirements on the nanoparticle composition and size distributions, which can only be met through innovations in the PLAL technique guided by a clear understanding of the nanoparticle formation mechanisms. In this work, we undertake a combined computational and experimental study of the nanoparticle formation mechanisms in ultrashort PLAL of Ag/Cu and Cu/Ag bilayer thin films. Experimental probing of the composition of individual nanoparticles and predictions from large-scale atomistic simulations provide consistent evidence of limited mixing between the two components from bilayer films by PLAL. The simulated and experimental distributions of nanoparticle compositions exhibit an enhanced abundance of Ag-rich and Cu-rich nanoparticles, as well as a strongly depressed population of well-mixed alloy nanoparticles. The surprising observation that the nanoscale phase separation of the two components in the bilayer films manifests itself in the sharp departure from the complete quantitative mixing in the colloidal nanoparticles is explained by the complex dynamic interaction between the ablation plume and liquid environment revealed in the simulations of the initial stage of the ablation process. The simulations predict that rapid deceleration of the ablation plume by the liquid environment results in the formation of a transient hot and dense metal region at the front of the plume, which hampers the mixing of the two components and, at the same time, contributes to the stratification of the plume in the emerging cavitation bubble. As a result, nanoparticles of different sizes and compositions are produced in different parts of the emerging cavitation bubble during the first nanoseconds of the ablation process. Notably, the diameters of the largest nanoparticles generated in the simulations of the initial stage of the ablation process are more than twice larger than the thickness of the original bilayer films. This observation provides a plausible scenario for the formation of large nanoparticles observed in the experiments. The conclusion on limited elemental mixing in the nanoparticles is validated in simulations of bilayers with different spatial order of Cu and Ag layers, even though the two systems exhibit some notable quantitative differences mainly related to the different strength of electron–phonon coupling in Cu and Ag. Overall, the results of this study provide new insights into the formation mechanism of bimetallic nanoparticles in ultrashort PLAL from thin bilayer targets and suggest that the formation of alloy nanoparticles from immiscible elements may be hampered for targets featuring distinctive elemental segregation." @default.
• W3125284305 created "2021-02-01" @default.
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• W3125284305 date "2021-01-14" @default.
• W3125284305 modified "2023-10-18" @default.
• W3125284305 title "Limited Elemental Mixing in Nanoparticles Generated by Ultrashort Pulse Laser Ablation of AgCu Bilayer Thin Films in a Liquid Environment: Atomistic Modeling and Experiments" @default.
• W3125284305 cites W1937871607 @default.
• W3125284305 cites W1962171893 @default.
• W3125284305 cites W1963641800 @default.
• W3125284305 cites W1963906272 @default.
• W3125284305 cites W1967735470 @default.
• W3125284305 cites W1969403248 @default.
• W3125284305 cites W1982652433 @default.
• W3125284305 cites W1983228275 @default.
• W3125284305 cites W1987846084 @default.
• W3125284305 cites W1987941974 @default.
• W3125284305 cites W1988330065 @default.
• W3125284305 cites W1988565234 @default.
• W3125284305 cites W1989307278 @default.
• W3125284305 cites W1994598876 @default.
• W3125284305 cites W1994615684 @default.
• W3125284305 cites W2000594579 @default.
• W3125284305 cites W2003777533 @default.
• W3125284305 cites W2004664887 @default.
• W3125284305 cites W2009899635 @default.
• W3125284305 cites W2011715915 @default.
• W3125284305 cites W2018899221 @default.
• W3125284305 cites W2021272363 @default.
• W3125284305 cites W2024834460 @default.
• W3125284305 cites W2025794192 @default.
• W3125284305 cites W2036945414 @default.
• W3125284305 cites W2037017059 @default.
• W3125284305 cites W2037330873 @default.
• W3125284305 cites W2038367331 @default.
• W3125284305 cites W2038602806 @default.
• W3125284305 cites W2041504619 @default.
• W3125284305 cites W2041778568 @default.
• W3125284305 cites W2051310660 @default.
• W3125284305 cites W2057822622 @default.
• W3125284305 cites W2060831210 @default.
• W3125284305 cites W2068722809 @default.
• W3125284305 cites W2070557771 @default.
• W3125284305 cites W2072370041 @default.
• W3125284305 cites W2074567912 @default.
• W3125284305 cites W2075689763 @default.
• W3125284305 cites W2087762715 @default.
• W3125284305 cites W2088885603 @default.
• W3125284305 cites W2089179584 @default.
• W3125284305 cites W2091838176 @default.
• W3125284305 cites W2092143116 @default.
• W3125284305 cites W2093913153 @default.
• W3125284305 cites W2101466574 @default.
• W3125284305 cites W2131901120 @default.
• W3125284305 cites W2144612081 @default.
• W3125284305 cites W2145331853 @default.
• W3125284305 cites W2160154617 @default.
• W3125284305 cites W2160277291 @default.
• W3125284305 cites W2164209999 @default.
• W3125284305 cites W2170222868 @default.
• W3125284305 cites W2282718593 @default.
• W3125284305 cites W2315725065 @default.
• W3125284305 cites W2315764225 @default.
• W3125284305 cites W2318697360 @default.
• W3125284305 cites W2321694519 @default.
• W3125284305 cites W2321964464 @default.
• W3125284305 cites W2324858554 @default.
• W3125284305 cites W2328669682 @default.
• W3125284305 cites W2332452040 @default.
• W3125284305 cites W2334104499 @default.
• W3125284305 cites W2470317005 @default.
• W3125284305 cites W2484039598 @default.
• W3125284305 cites W2530242898 @default.
• W3125284305 cites W2532126310 @default.
• W3125284305 cites W2534821418 @default.
• W3125284305 cites W2549644565 @default.
• W3125284305 cites W2552908235 @default.
• W3125284305 cites W2558978633 @default.
• W3125284305 cites W2587989553 @default.
• W3125284305 cites W2600604068 @default.
• W3125284305 cites W2617043719 @default.
• W3125284305 cites W2763432107 @default.
• W3125284305 cites W2791398877 @default.
• W3125284305 cites W2887274751 @default.
• W3125284305 cites W2888273366 @default.
• W3125284305 cites W2902055280 @default.
• W3125284305 cites W2909345649 @default.
• W3125284305 cites W2921027345 @default.
• W3125284305 cites W2945950849 @default.
• W3125284305 cites W2946308194 @default.

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