Synthesis and raman detection of 5-amino-2-mercaptobenzimidazole self-assembled monolayers in nanoparticle-on-a-mirror plasmonic cavity driven by dielectric waveguides

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dc.contributor.authorRedolat, Javier
dc.contributor.authorCamarena-Pérez, María
dc.contributor.authorGriol, Amadeu
dc.contributor.authorSinusia Lozano, Miguel
dc.contributor.authorGómez-Gómez, María Isabel
dc.contributor.authorVázquez Lozano, Juan Enrique
dc.contributor.authorMiele, Ermanno
dc.contributor.authorBaumberg, Jeremy J.
dc.contributor.authorMartínez, Alejandro
dc.contributor.authorPinilla-Cienfuegos, Elena
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.date.accessioned2024-09-05T17:39:01Z
dc.date.available2024-09-05T17:39:01Z
dc.date.issued2024
dc.date.updated2024-09-05T17:11:07Z
dc.description.abstractFunctionalization of metallic surfaces by molecular monolayers is a key process in fields such as nanophotonics or biotechnology. To strongly enhance light-matter interaction in such monolayers, nanoparticle-on-a-mirror (NPoM) cavities can be formed by placing metal nanoparticles on such chemically functionalized metallic monolayers. In this work, we present a novel functionalization process of gold surfaces using 5-amino-2-mercaptobenzimidazole (5-A-2MBI) molecules, which can be used for upconversion from THz to visible frequencies. The synthesized surfaces and NPoM cavities are characterized by Raman spectroscopy, atomic force microscopy (AFM), and advancing-receding contact angle measurements. Moreover, we show that NPoM cavities can be efficiently integrated on a silicon-based photonic chip performing pump injection and Raman-signal extraction via silicon nitride waveguides. Our results open the way for the use of 5-A-2MBI monolayers in different applications, showing that NPoM cavities can be effectively integrated with photonic waveguides, enabling on-chip enhanced Raman spectroscopy or detection of infrared and THz radiation.en
dc.description.sponsorshipWe acknowledge funding from the European Commission (THOR project, Grant Agreement No. 829067, and 'NextGenerationEU' /PRTR and 'ERDF A way of making Europe'), Generalitat Valenciana under grant CIPROM/2022/14, and the Spanish Ministry of Science and Innovation (MCIN/AEI/10.13039/501100011033) under project grant PID2021-124618NB-C21.
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRedolat, J., Camarena-Pérez, M., Griol, A., Lozano, M. S., Gómez-Gómez, M. I., Vázquez-Lozano, J. E., Miele, E., Baumberg, J. J., Martínez, A., Pinilla-Cienfuegos, E. (2024) Synthesis and raman detection of 5-amino-2-mercaptobenzimidazole self-assembled monolayers in nanoparticle-on-a-mirror plasmonic cavity driven by dielectric waveguides. Nano Letters, 24(12), 3670-3677. https://doi.org/10.1021/acs.nanolett.3c04932.
dc.identifier.doi10.1021/acs.nanolett.3c04932
dc.identifier.issn1530-6984
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/51553
dc.language.isoeng
dc.publisherAmerican Chemical Society
dc.relation.ispartofNano Letters 2024, 24 (12), 3670-3677
dc.relation.projectIDinfo:eu-repo/grantAgreement/European Commission/Horizon 2020 Framework Programme/829067/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-124618NB-C21/ES/
dc.relation.publisherversionhttps://doi.org/10.1021/acs.nanolett.3c04932
dc.rights© 2024 The Authors. This article is licensed under CC-BY 4.0
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectChemical functionalizationen
dc.subjectGold surfacesen
dc.subjectIntegrated waveguidesen
dc.subjectInterface engineeringen
dc.subjectMolecular optomechanicsen
dc.subjectNanoparticle assemblyen
dc.subjectNanoparticle on a mirror cavityen
dc.subjectOn-chip spectroscopyen
dc.subjectSelf-assembled monolayersen
dc.titleSynthesis and raman detection of 5-amino-2-mercaptobenzimidazole self-assembled monolayers in nanoparticle-on-a-mirror plasmonic cavity driven by dielectric waveguidesen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationa8a38b64-1d73-45d6-b160-e4b1d87921af
relation.isAuthorOfPublication.latestForDiscoverya8a38b64-1d73-45d6-b160-e4b1d87921af

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