An optical fiber sensor for Hg2+ detection based on the LSPR of silver and gold nanoparticles embedded in a polymeric matrix as an effective sensing material

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dc.contributor.authorMartínez Hernández, María Elena
dc.contributor.authorSandúa Fernández, Xabier
dc.contributor.authorRivero Fuente, Pedro J.
dc.contributor.authorGoicoechea Fernández, Javier
dc.contributor.authorArregui San Martín, Francisco Javier
dc.contributor.departmentIngeniería Eléctrica, Electrónica y de Comunicaciónes_ES
dc.contributor.departmentIngeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritzaeu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.contributor.departmentIngenieríaes_ES
dc.contributor.departmentIngeniaritzaeu
dc.contributor.departmentInstitute for Advanced Materials and Mathematics - INAMAT2en
dc.contributor.funderUniversidad Pública de Navarra / Nafarroako Unibertsitate Publikoa
dc.date.accessioned2024-10-14T08:14:38Z
dc.date.available2024-10-14T08:14:38Z
dc.date.issued2021-07-07
dc.date.updated2024-10-14T08:08:58Z
dc.description.abstractIn this work, an optical fiber sensor based on the localized surface plasmon resonance (LSPR) phenomenon is presented as a powerful tool for the detection of heavy metals (Hg2+). The resultant sensing film was fabricated using a nanofabrication process, known as layer-by-layer embedding (LbL-E) deposition technique. In this sense, both silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) were synthesized using a synthetic chemical protocol as a function of a strict control of three main parameters: polyelectrolyte concentration, loading agent, and reducing agent. The use of metallic nanostructures as sensing materials is of great interest because well-located absorption peaks associated with their LSPR are obtained at 420 nm (AgNPs) and 530 nm (AuNPs). Both plasmonic peaks provide a stable real-time reference that can be extracted from the spectral response of the optical fiber sensor, giving a reliable monitoring of the Hg2+ concentration.en
dc.description.sponsorshipThis work has been supported by the Spanish State Research Agency (AEI) through the project PID2019-106070RB-I00 and the Public University of Navarre with a PhD research grant.
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMartínez-Hernández, M. E., Sandua, X., Rivero, P. J., Goicoechea, J., Arregui, F. J. (2021) An optical fiber sensor for Hg2+ detection based on the LSPR of silver and gold nanoparticles embedded in a polymeric matrix as an effective sensing material. In Jaffrezic-Renault N. (Ed.), The 1st International Electronic Conference on Chemical Sensors and Analytical Chemistry (pp. 439-445). MDPI. https://doi.org/10.3390/CSAC2021-10633
dc.identifier.doi10.3390/CSAC2021-10633
dc.identifier.isbn978-3-0365-4115-0
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/52208
dc.language.isoeng
dc.publisherMDPI
dc.relation.ispartofIn Jaffrezic-Renault, N. (Ed.). The 1st International Electronic Conference on Chemical Sensors and Analytical Chemistry. Basilea: MDPI; 2021. p. 439-445
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-106070RB-I00/ES/
dc.relation.publisherversionhttps://doi.org/10.3390/CSAC2021-10633
dc.rights© 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectFiber optic sensoren
dc.subjectGold nanoparticlesen
dc.subjectSilver nanoparticlesen
dc.subjectLocalized surface plasmon resonanceen
dc.subjectLayer-by-layer embeddingen
dc.subjectMercuryen
dc.subjectppmen
dc.titleAn optical fiber sensor for Hg2+ detection based on the LSPR of silver and gold nanoparticles embedded in a polymeric matrix as an effective sensing materialen
dc.typeinfo:eu-repo/semantics/conferenceObject
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
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