Peculiarities of using different nanostructures for surface-enhanced Raman scattering

Csarnovics, István and Veres, Miklós and Bonyár, Attila and Gebavi, Hrvoje and Kohut, Attila and Juhász, Laura and Kóródi, Zoltán and Feczus, Milán and Pál, Petra (2023) Peculiarities of using different nanostructures for surface-enhanced Raman scattering. In: 2023 46th International Spring Seminar on Electronics Technology (ISSE). IEEE, Piscataway (NJ), No-10168476. ISBN 979-8-3503-3484-5

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Abstract

Raman scattering as an effective tool for material characterization has one disadvantage which could be solved by using metallic nanostructures. As a result of this, Raman signals of the studied structures could be enhanced by different nanostructures by using surface-enhance Raman scattering (SERS). The enhancement of the SERS process depends on the material, shape, and geometrical parameters of the nanoparticles, while at the same time on the excitation wavelength and the nature of the selected analyte. Different nanostructures (nanoislands, nanoparticles, nano trees) were created and analyzed, and their parameters were optimized to obtain a higher enhancement factor and to find out the detection limit of the selected analyte. Also, the different creation methods were compared from the point of view of the sensing application.

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