Surface-Enhanced Raman Scattering from Copper Nanoparticles Obtained by Laser Ablation (Articolo in rivista)

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  • Surface-Enhanced Raman Scattering from Copper Nanoparticles Obtained by Laser Ablation (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp1086027 (literal)
Alternative label
  • Maurizio Muniz-Miranda (1,3); Cristina Gellini (1,3); Emilia Giorgetti (2) (2011)
    Surface-Enhanced Raman Scattering from Copper Nanoparticles Obtained by Laser Ablation
    in Journal of physical chemistry. C; ACS, American chemical society, Washington, DC (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maurizio Muniz-Miranda (1,3); Cristina Gellini (1,3); Emilia Giorgetti (2) (literal)
Pagina inizio
  • 5021 (literal)
Pagina fine
  • 5027 (literal)
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  • Special issue: Laser Ablation and Nanoparticle Generation in Liquids. (literal)
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  • http://pubs.acs.org/doi/abs/10.1021/jp1086027 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 115 (literal)
Rivista
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  • 7 (literal)
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  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) Dipartimento di Chimica \"Ugo Schiff\", Universita? di Firenze, Via della Lastruccia 3, I-50019, Sesto Fiorentino, Italy 2) INSTM and Istituto Sistemi Complessi (ISC) - CNR, Via Madonna del Piano 11, I-50019 Sesto Fiorentino, Italy 3) European Laboratory for Nonlinear Spectroscopy (LENS), Via N. Carrara 1, I-50019, Sesto Fiorentino, Italy (literal)
Titolo
  • Surface-Enhanced Raman Scattering from Copper Nanoparticles Obtained by Laser Ablation (literal)
Abstract
  • Copper colloidal nanoparticles are obtained by laser ablation in aqueous solutions of ligands by nanosecond laser pulses at 532 and 1064 nm and examined by localized surface plasmon resonance (LSPR) and surface-enhanced Raman scattering (SERS) spectroscopy, along with transmission electron microscopy (TEM) and zeta potential measurements. This fabrication method, besides providing SERS-active substrates without spectral interferences of reagents, as it generally occurs for the chemical reduction of metal ions, allows obtaining colloidal suspensions which are stable in time because the copper particles are capped by ligand molecules as long as they are formed by laser ablation. This prevents aggregation among metal nanoparticles and probably reduces overall oxidation of the copper surface. (literal)
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