Plasmonic core-shell-like nanoparticles for SERS applications

Aleksandra Szymanska; Mihai C. Suster; Agata Krolikowska; Piotr Wrobel

doi:10.1117/12.2609713

3 March 2022 Plasmonic core-shell-like nanoparticles for SERS applications

Aleksandra Szymanska, Mihai C. Suster, Agata Krolikowska, Piotr Wrobel

Proceedings Volume PC11978, Plasmonics in Biology and Medicine XIX; PC1197801 (2022) https://doi.org/10.1117/12.2609713
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

In this research, a simple method of fabricating randomly distributed, core-shell-like plasmonic nanoparticles is presented. A modified nanosphere lithography method was used to create non-periodic arrays of nanoholes filled with metal-capped dielectric spheres. This approach is very quick, cost-effective and allows for the nanostructurization of multiple substrates at the same time. In this study, the influence of geometrical and material properties of the plasmonic response, SERS enhancement factor and uniformity of Raman signal of such structures was investigated. The optimization of the structures was carried out theoretically by means of FDTD calculations and then confirmed experimentally.

Conference Presentation

Citation Download Citation

Aleksandra Szymanska, Mihai C. Suster, Agata Krolikowska, and Piotr Wrobel "Plasmonic core-shell-like nanoparticles for SERS applications", Proc. SPIE PC11978, Plasmonics in Biology and Medicine XIX, PC1197801 (3 March 2022); https://doi.org/10.1117/12.2609713

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