Formation of Core-Shell Nanoparticles by Laser Ablation of Copper and Brass in Liquids

P.V. Kazakevich; A.V. Simakin; V.V. Voronov; G.A. Shafeev; D. Starikov; A. Bensaoula

doi:10.4028/www.scientific.net/SSP.106.23

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HomeSolid State PhenomenaSolid State Phenomena Vol. 106Formation of Core-Shell Nanoparticles by Laser...

Formation of Core-Shell Nanoparticles by Laser Ablation of Copper and Brass in Liquids

Abstract:

Experimental results are presented on the ablation of copper and brass targets in a liquid environment: ethanol, acetone, or water by irradiation with either a pulsed copper vapour laser (0.51 μm) or a pulsed Nd:YAG laser (1.06 μm). The ablated material was ejected into the surrounding liquid as nanoparticles of average size 20 nm. The nanoparticle composition depends on the nature of the liquid. Ablation of 60%Cu, 40%Zn brass in ethanol results in formation of core-shell nanoparticles. Brass nanoparticles were characterized by a well-defined plasmon peak at 510-520 nm.

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Periodical:

Solid State Phenomena (Volume 106)

Pages:

23-26

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.106.23

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Online since:

September 2005

Authors:

P.V. Kazakevich, A.V. Simakin, V.V. Voronov, G.A. Shafeev, D. Starikov, A. Bensaoula

Keywords:

Core-Shell Nanoparticle, Laser Ablation, Plasmon Resonance

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