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Nanotechnology. 2021 Feb 26;32(9):095604. doi: 10.1088/1361-6528/abc450.

Versatile and robust synthesis process for the fine control of the chemical composition and core-crystallinity of spherical core-shell Au@Ag nanoparticles.

Nanotechnology

Suyeon Lee, Hervé Portalès, Michael Walls, Patricia Beaunier, Nicolas Goubet, Benoit Tremblay, Jérémie Margueritat, Lucien Saviot, Alexa Courty

Affiliations

  1. Sorbonne Université, MONARIS, CNRS-UMR 8233, 4 Place Jussieu, F-75005 Paris, France.

PMID: 33096540 DOI: 10.1088/1361-6528/abc450

Abstract

Au nanoparticles (NPs) characterized by distinct surface chemistry (including dodecanethiol or oleylamine as capping agent), different sizes (∼5 and ∼10 nm) and crystallinities (polycrystalline or single crystalline), were chosen as seeds to demonstrate the versatility and robustness of our two-step core-shell Au@Ag NP synthesis process. The central component of this strategy is to solubilize the shell precursor (AgNO

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