Chemically stable Au nanorods as probes for sensitive surface enhanced scattering (SERS) analysis of blue BIC ballpoint pens

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dc.contributor.authorAlyami, Abeer
dc.contributor.authorSaviello, Daniela
dc.contributor.authorMcAuliffe, Michael A. P.
dc.contributor.authorCucciniello, Raffaele
dc.contributor.authorMirabile, Antonio
dc.contributor.authorProto, Antonio
dc.contributor.authorLewis, Liam
dc.contributor.authorIacopino, Daniela
dc.contributor.funderHorizon 2020en
dc.contributor.funderIrish Research Councilen
dc.date.accessioned2019-01-08T09:45:08Z
dc.date.available2019-01-08T09:45:08Z
dc.date.issued2017-07-02
dc.description.abstractAu nanorods were used as an alternative to commonly used Ag nanoparticles as Surface Enhanced Raman Scattering (SERS) probes for identification of dye composition of blue BIC ballpoint pens. When used in combination with Thin Layer Chromatography (TLC), Au nanorod colloids allowed identification of the major dye components of the BIC pen ink, otherwise not identifiable by normal Raman spectroscopy. Thanks to their enhanced chemical stability compared to Ag colloids, Au nanorods provided stable and reproducible SERS signals and allowed easy identification of phthalocyanine and triarylene dyes in the pen ink mixture. These findings were supported by FTIR and MALDI analyses, also performed on the pen ink. Furthermore, the self-assembly of Au nanorods into large area ordered superstructures allowed identification of BIC pen traces. SERS spectra of good intensity and high reproducibility were obtained using Au nanorod vertical arrays, due to the high density of hot spots and morphological reproducibility of these superstructures. These results open the way to the employment of SERS for fast screening analysis and for quantitative analysis of pens and faded pens which are relevant for the fields of forensic and art conservation sciences.en
dc.description.sponsorshipIrish Research Council (GOIPD/2015/716)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationAlyami, A., Saviello, D., McAuliffe, M. A. P., Cucciniello, R., Mirabile, A., Proto, A., Lewis, L. and Iacopino, D. (2017) 'Chemically stable Au nanorods as probes for sensitive surface enhanced scattering (SERS) analysis of blue BIC ballpoint pens', NanoInnovation 2016, AIP Conference Proceedings, 1873(1), 020003 (9 pp). doi: 10.1063/1.4997132en
dc.identifier.doi10.1063/1.4997132
dc.identifier.endpage020003-9en
dc.identifier.isbn978-0-7354-1553-9
dc.identifier.issn0094-243X
dc.identifier.issn1551-7616
dc.identifier.issued1en
dc.identifier.journaltitleAIP Conference Proceedingsen
dc.identifier.startpage020003-1en
dc.identifier.urihttps://hdl.handle.net/10468/7264
dc.identifier.volume1873en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.projectinfo:eu-repo/grantAgreement/EC/H2020::IA/646063/EU/NANOmaterials for the REStoration of works of ART/NANORESTARTen
dc.relation.urihttps://aip.scitation.org/doi/abs/10.1063/1.4997132
dc.rights© 2017, AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in AIP Conference Proceedings and may be found at https://aip.scitation.org/doi/abs/10.1063/1.4997132en
dc.subjectNanoparticlesen
dc.subjectRaman spectroscopyen
dc.subjectNanorodsen
dc.subjectCareers and professionsen
dc.subjectTectonophysicsen
dc.subjectThin-layer chromatographyen
dc.titleChemically stable Au nanorods as probes for sensitive surface enhanced scattering (SERS) analysis of blue BIC ballpoint pensen
dc.typeArticle (peer-reviewed)en
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