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Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons

Laser-driven proton acceleration, as produced during the interaction of a high-intensity (I > 1 × 10(18) W/cm(2)), short pulse (<1 ps) laser with a solid target, is a prosperous field of endeavor for manifold applications in different domains, including astrophysics, biomedicine and materials...

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Autores principales: Barberio, M., Giusepponi, S., Vallières, S., Scisció, M., Celino, M., Antici, P.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7293332/
https://www.ncbi.nlm.nih.gov/pubmed/32532997
http://dx.doi.org/10.1038/s41598-020-65282-9
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author Barberio, M.
Giusepponi, S.
Vallières, S.
Scisció, M.
Celino, M.
Antici, P.
author_facet Barberio, M.
Giusepponi, S.
Vallières, S.
Scisció, M.
Celino, M.
Antici, P.
author_sort Barberio, M.
collection PubMed
description Laser-driven proton acceleration, as produced during the interaction of a high-intensity (I > 1 × 10(18) W/cm(2)), short pulse (<1 ps) laser with a solid target, is a prosperous field of endeavor for manifold applications in different domains, including astrophysics, biomedicine and materials science. These emerging applications benefit from the unique features of the laser-accelerated particles such as short duration, intense flux and energy versatility, which allow obtaining unprecedented temperature and pressure conditions. In this paper, we show that laser-driven protons are perfectly suited for producing, in a single sub-ns laser pulse, metallic nanocrystals with tunable diameter ranging from tens to hundreds of nm and very high precision. Our method relies on the intense and very quick proton energy deposition, which induces in a bulk material an explosive boiling and produces nanocrystals that aggregate in a plasma plume composed by atoms detached from the proton-irradiated surface. The properties of the obtained particles depend on the deposited proton energy and on the duration of the thermodynamical process. Suitably controlling the irradiated dose allows fabricating nanocrystals of a specific size with low polydispersity that can easily be isolated in order to obtain a monodisperse nanocrystal solution. Molecular Dynamics simulations confirm our experimental results.
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spelling pubmed-72933322020-06-17 Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons Barberio, M. Giusepponi, S. Vallières, S. Scisció, M. Celino, M. Antici, P. Sci Rep Article Laser-driven proton acceleration, as produced during the interaction of a high-intensity (I > 1 × 10(18) W/cm(2)), short pulse (<1 ps) laser with a solid target, is a prosperous field of endeavor for manifold applications in different domains, including astrophysics, biomedicine and materials science. These emerging applications benefit from the unique features of the laser-accelerated particles such as short duration, intense flux and energy versatility, which allow obtaining unprecedented temperature and pressure conditions. In this paper, we show that laser-driven protons are perfectly suited for producing, in a single sub-ns laser pulse, metallic nanocrystals with tunable diameter ranging from tens to hundreds of nm and very high precision. Our method relies on the intense and very quick proton energy deposition, which induces in a bulk material an explosive boiling and produces nanocrystals that aggregate in a plasma plume composed by atoms detached from the proton-irradiated surface. The properties of the obtained particles depend on the deposited proton energy and on the duration of the thermodynamical process. Suitably controlling the irradiated dose allows fabricating nanocrystals of a specific size with low polydispersity that can easily be isolated in order to obtain a monodisperse nanocrystal solution. Molecular Dynamics simulations confirm our experimental results. Nature Publishing Group UK 2020-06-12 /pmc/articles/PMC7293332/ /pubmed/32532997 http://dx.doi.org/10.1038/s41598-020-65282-9 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Barberio, M.
Giusepponi, S.
Vallières, S.
Scisció, M.
Celino, M.
Antici, P.
Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title_full Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title_fullStr Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title_full_unstemmed Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title_short Ultra-Fast High-Precision Metallic Nanoparticle Synthesis using Laser-Accelerated Protons
title_sort ultra-fast high-precision metallic nanoparticle synthesis using laser-accelerated protons
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7293332/
https://www.ncbi.nlm.nih.gov/pubmed/32532997
http://dx.doi.org/10.1038/s41598-020-65282-9
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