SURFACE-ENHANCED RAMAN SCATTERING FROM DYE MOLECULES IN SILICON NANOWIRE STRUCTURES DECORATED BY GOLD NANOPARTICLES

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dc.contributor.authorIkramova, Saltanat B.
dc.contributor.authorUtegulov, Zhandos N.
dc.contributor.authorDikhanbayev, Kadyrjan K.
dc.contributor.authorGaipov, Abduzhappar E.
dc.contributor.authorNemkayeva, Renata R.
dc.contributor.authorYakunin, Valery G.
dc.contributor.authorSavinov, Vladimir P.
dc.contributor.authorTimoshenko, Victor Yu
dc.date.accessioned2022-07-25T07:40:48Z
dc.date.available2022-07-25T07:40:48Z
dc.date.issued2022-02-26
dc.description.abstractSilicon nanowires (SiNWs) prepared by metal-assisted chemical etching of crystalline silicon wafers followed by deposition of plasmonic gold (Au) nanoparticles (NPs) were explored as templates for surface-enhanced Raman scattering (SERS) from probe molecules of Methylene blue and Rhodamine B. The filling factor by pores (porosity) of SiNW arrays was found to control the SERS efficiency, and the maximal enhancement was observed for the samples with porosity of 55%, which corresponded to dense arrays of SiNWs. The obtained results are discussed in terms of the electromagnetic enhancement of SERS related to the localized surface plasmon resonances in Au-NPs on SiNW’s surfaces accompanied with light scattering in the SiNW arrays. The observed SERS effect combined with the high stability of Au-NPs, scalability, and relatively simple preparation method are promising for the application of SiNW:Au-NP hybrid nanostructures as templates in molecular sensorics.en_US
dc.identifier.citationIkramova, S. B., Utegulov, Z. N., Dikhanbayev, K. K., Gaipov, A. E., Nemkayeva, R. R., Yakunin, V. G., Savinov, V. P., & Timoshenko, V. Y. (2022). Surface-Enhanced Raman Scattering from Dye Molecules in Silicon Nanowire Structures Decorated by Gold Nanoparticles. International Journal of Molecular Sciences, 23(5), 2590. https://doi.org/10.3390/ijms23052590en_US
dc.identifier.urihttp://nur.nu.edu.kz/handle/123456789/6523
dc.language.isoenen_US
dc.publisherInternational Journal of Molecular Sciencesen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectType of access: Open Accessen_US
dc.subjectsurface-enhanced Raman scatteringen_US
dc.subjectplasmonicsen_US
dc.subjectgolden_US
dc.subjectnanoparticlesen_US
dc.subjectsiliconen_US
dc.subjectnanostructuresen_US
dc.subjectmesoporesen_US
dc.subjectnanowiresen_US
dc.subjectmolecular sensoricsen_US
dc.titleSURFACE-ENHANCED RAMAN SCATTERING FROM DYE MOLECULES IN SILICON NANOWIRE STRUCTURES DECORATED BY GOLD NANOPARTICLESen_US
dc.typeArticleen_US
workflow.import.sourcescience

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