Surface-enhanced Raman spectroscopy of organoluminophores adsorbed on quartz surfaces modified by hydrosols of silver and gold nanoparticles

Andrey Y. Zyubin; Karina I. Matveeva; Dmitry S. Kalinnikov; Ilia G. Samusev

doi:10.1117/12.2536403

18 November 2019 Surface-enhanced Raman spectroscopy of organoluminophores adsorbed on quartz surfaces modified by hydrosols of silver and gold nanoparticles

Andrey Y. Zyubin, Karina I. Matveeva, Dmitry S. Kalinnikov, Ilia G. Samusev

Author Affiliations +

Proceedings Volume 11194, Plasmonics IV; 111940L (2019) https://doi.org/10.1117/12.2536403
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

This paper perform the results of studies on the development of a simple methodology for creating hydrosol-modified silver and gold nanoparticles with a size of 44 nm (silver) and 54 nm (gold) quartz surfaces for sensory purposes. Proposed surfaces is able to perform the effect of Surface-enhanced Raman scattering (SERS) of light by dye molecules of Rhodamine 6G. It was shown that the order of amplification of the Raman signal by surface plasmons of silver and gold nanoparticles for Rhodamine 6G dye molecules can reach orders of magnitude 10² times. A method for the controlled synthesis of silver hydrosols by methods of reducing sodium salt AgNO₃ with sodium citrate and femtosecond laser ablation for gold is proposed. The prospects of such systems for obtaining spectra of the molecular structure of dyes are shown. The results of this work, in the future, can be used to analyze chemical compounds of low concentrations, macroscopic biological objects like bacterial cells and blood components.

Citation Download Citation

Andrey Y. Zyubin, Karina I. Matveeva, Dmitry S. Kalinnikov, and Ilia G. Samusev "Surface-enhanced Raman spectroscopy of organoluminophores adsorbed on quartz surfaces modified by hydrosols of silver and gold nanoparticles", Proc. SPIE 11194, Plasmonics IV, 111940L (18 November 2019); https://doi.org/10.1117/12.2536403

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