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Copper Nanoparticles with Tunable Size: Implications for Plasmonic Catalysis

Abstract : A new access to copper(0) nanoparticles (CuNPs) from readily available organocopper reagents is reported. This original amine-free methodology proves to be practical, fast and highly reproducible. It yields spherical CuNPs with an excellent control of their size and shape. These CuNPs are fully characterized by electronic microscopy (TEM, HRTEM), X-Ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and UV-Vis spectroscopy. The size of the synthesized nanoparticles is in a size range of 5-9 nm. The reactional pathway is studied and shows a two-step process implying the formation of a primitive bulk composed of spheroid CuNPs followed by a reorganization step induced by a thiol additive and leading to the final NPs.
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https://hal.archives-ouvertes.fr/hal-03738181
Contributor : Alexa Courty Connect in order to contact the contributor
Submitted on : Monday, July 25, 2022 - 6:01:57 PM
Last modification on : Tuesday, September 27, 2022 - 4:05:15 AM

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Liyan Ouyang, Vincent Noël, Alexa Courty, Jean-Marc Campagne, Armelle Ouali, et al.. Copper Nanoparticles with Tunable Size: Implications for Plasmonic Catalysis. ACS Applied Nano Materials, American Chemical Society, 2022, 5 (2), pp.2839-2847. ⟨10.1021/acsanm.2c00016⟩. ⟨hal-03738181⟩

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