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Gas-Aggregated Copper Nanoparticles with Long-term Plasmon Resonance Stability

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dc.contributor.authorPopok, V. N.
dc.contributor.authorNovikov, S. M.
dc.contributor.authorAndreev, A. A.
dc.contributor.authorTrunkin, I. N.
dc.contributor.authorLebedinskij, Y. Y.
dc.contributor.authorMarkeev, A. M.
dc.contributor.authorЛебединский, Юрий Юрьевич
dc.date.accessioned2024-11-29T10:22:59Z
dc.date.available2024-11-29T10:22:59Z
dc.date.issued2021
dc.description.abstract© 2020, Springer Science+Business Media, LLC, part of Springer Nature.Metal nanoparticles (NPs) possessing localized surface plasmon resonance (LSPR) are of high interest for applications in optics, electronics, catalysis, and sensing. The practically important issue is the stability of the LSPR, which often limits the use of some metals due to their chemical reactivity leading to degradation of the NP functionality. In this work, copper NPs of two distinct sizes are produced by magnetron sputtering gas aggregation. This method ensures formation of the particles with high purity and monocrystallinity, enhancing the chemical inertness and providing a superior time stability of the plasmonic properties. Additionally, a simple UV-ozone treatment, which leads to the formation of an oxide shell around the copper NPs, is found to be an efficient method to prevent following gradual oxidation and assure the LSPR stability in ambient atmospheric conditions for periods over 100 days even for small (10–12 nm in diameter) NPs. The obtained results allow for significant improvement of the competitiveness of copper NPs with gold or silver nanostructures, which are traditionally used in plasmonics.
dc.identifier.citationGas-Aggregated Copper Nanoparticles with Long-term Plasmon Resonance Stability / Popok, V.N. [et al.] // Plasmonics. - 2021. - 10.1007/s11468-020-01287-4
dc.identifier.doi10.1007/s11468-020-01287-4
dc.identifier.urihttps://www.doi.org/10.1007/s11468-020-01287-4
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85091109395&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000570034600001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23441
dc.relation.ispartofPlasmonics
dc.titleGas-Aggregated Copper Nanoparticles with Long-term Plasmon Resonance Stability
dc.typeArticle
dspace.entity.typePublication
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