Core type as a factor of gap-enhanced Raman tags SERS response

Andrey M. Burov; Boris N. Khlebtsov; Nikolay G. Khlebtsov

doi:10.1117/12.2590044

4 May 2021 Core type as a factor of gap-enhanced Raman tags SERS response

Andrey M. Burov, Boris N. Khlebtsov, Nikolay G. Khlebtsov

Proceedings Volume 11845, Saratov Fall Meeting 2020: Optical and Nanotechnologies for Biology and Medicine; 1184513 (2021) https://doi.org/10.1117/12.2590044
Event: Saratov Fall Meeting 2020, 2020, Saratov, Russian Federation

Abstract

Currently, GERTs tags are widely used nanoparticles in various fields of biosensing and bioimaging. This is due to their high SERS response and depends directly on their structure. Understanding Raman signal dependence on the GERTs structure is a key to creating custom tags with the required SESR response. In this regard, we obtained GERTs tags based on different nanocore and carried out a comparative analysis of their SERS properties. Three types of core were used: nanospheres, nanopolygons, and nanorods. Benzenedithiol-1,4 was used as a Raman reporter. Signal intensity increased in the spheres-polygons-rods series and maximum of SERS enhancement factor was obtained from GERTs based on nanorods of the order of 2E+06.

Citation Download Citation

Andrey M. Burov, Boris N. Khlebtsov, and Nikolay G. Khlebtsov "Core type as a factor of gap-enhanced Raman tags SERS response", Proc. SPIE 11845, Saratov Fall Meeting 2020: Optical and Nanotechnologies for Biology and Medicine, 1184513 (4 May 2021); https://doi.org/10.1117/12.2590044

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