Journal
2022 45TH INTERNATIONAL SPRING SEMINAR ON ELECTRONICS TECHNOLOGY (ISSE)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/ISSE54558.2022.9812773
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Funding
- Nanoplasmonic Laser Fusion Research Laboratory project - National Research and Innovation Office (NKFIH)
- Eotvos Roland Research Network (ELKH), Hungary
- Deutscher Akademischer Austausch Dienst (DAAD) [TKA-160590]
- Tempus Foundation (TKA) [TKA-160590]
- MEYS CR [LM2018110]
- National Research, Development, and Innovation Fund of Hungary [TKP2021-EGA-02]
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This work determines and compares the surface-enhanced Raman spectroscopy (SERS) enhancement factor (EF) for different types of AuNP-epoxy surface nanocomposites. The surface nanocomposites, fabricated with varying nanoparticle and inter-particle distances, are used for label-free detection of DNA molecules with SERS. The paper discusses the relevance and applicability of different types of SERS EFs for substrate characterization, as well as the effect of particle size / interparticle gap ratio on the determined EFs.
The surface-enhanced Raman spectroscopy (SERS) enhancement factor (EF) for different types of AuNP - epoxy surface nanocomposites were determined and compared in this work. The surface nanocomposites were fabricated with varying nanoparticle and inter-particle distances and were used for the label-free detection of DNA (deoxyribonucleic acid) molecules with SERS. Different types of SERS EF (electrical field-enhancement based, substrate-specific, etc.) were determined for three different surface nanocomposites. The relevance and applicability of different SERS EFs for the characterization of the substrates and the effect of particle size / interparticle gap ratio on the determined EFs were discussed in the paper.
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