Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Surface-enhanced Raman spectroscopy (SERS), stemming from the gigantic light energy focusing near the plasmon-active surface, provides the possibility to reveal the presence of targeted analytes under extremely dilute conditions. At present, SERS sensors have been making significant progress regarding practical applications in the analytical and bioanalytical fields. The main delaying factors in SERS development are related to the poor signal reproducibility. Proposed work is aimed at the achievement of highly-reproducible SERS results. The high sensitivity of SERS has been achieved through the immobilization of sharp-edges bimetallic specific nanoparticles-gold/platinum nanourchins (Au@PtNPs), on the gold grating surface, through the 1,4-benzendithiol (BDT) or 4-sulfobenzenediazonium tosylate (ADT-SH). Gold grating, able to support the surface plasmon polariton (SPP) excitation and propagation, was created on the polymer substrate using the excimer laser modification with further metal deposition. Bimetallic nanoparticles, able to efficiently excite the localized surface plasmons (LSPs), were synthesized using the wet chemical approach. Immobilization of Au@PtNPs on the gold grating allows to achieve SPP-LSP coupling and significantly SERS enhancement, with the maintaining of signal reproducibility, provided by the periodical surface. More detailed experiments show that in the case of ADT-SH, the better Au@PtNPs grafting density and SERS enhancement factor were achieved. Moreover, the produced structure allows SERS measurements with a portable Raman spectrophotometer.

Original languageEnglish
Title of host publicationNANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application
PublisherTANGER Ltd.
Pages426-431
Number of pages6
ISBN (Electronic)9788087294895
Publication statusPublished - 1 Jan 2019
Externally publishedYes
Event10th Anniversary International Conference on Nanomaterials - Research and Application, NANOCON 2018 - Brno, Czech Republic
Duration: 17 Oct 201819 Oct 2018

Publication series

NameNANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application

Conference

Conference10th Anniversary International Conference on Nanomaterials - Research and Application, NANOCON 2018
CountryCzech Republic
CityBrno
Period17.10.1819.10.18

Fingerprint

Raman Spectrum Analysis
Gold
Nanoparticles
Raman spectroscopy
Immobilization
Plasmons
Excimer Lasers
Platinum
Polymers
Metals
Light
Spectrophotometers
Excimer lasers

Keywords

  • Coupling
  • Gold gratings
  • Multibranched nanoparticles
  • Plamonics
  • SERS

ASJC Scopus subject areas

  • Biotechnology
  • Electrical and Electronic Engineering
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials

Cite this

Kalachyova, Y., Svorcik, V., & Lyutakov, O. (2019). Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface. In NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application (pp. 426-431). (NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application). TANGER Ltd..

Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface. / Kalachyova, Yevgeniya; Svorcik, Vaclav; Lyutakov, Oleksiy.

NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application. TANGER Ltd., 2019. p. 426-431 (NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kalachyova, Y, Svorcik, V & Lyutakov, O 2019, Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface. in NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application. NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application, TANGER Ltd., pp. 426-431, 10th Anniversary International Conference on Nanomaterials - Research and Application, NANOCON 2018, Brno, Czech Republic, 17.10.18.
Kalachyova Y, Svorcik V, Lyutakov O. Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface. In NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application. TANGER Ltd. 2019. p. 426-431. (NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application).
Kalachyova, Yevgeniya ; Svorcik, Vaclav ; Lyutakov, Oleksiy. / Sensitive sers platform of bimetallic nanoparticles immobilized on the gold grating surface. NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application. TANGER Ltd., 2019. pp. 426-431 (NANOCON 2018 - Conference Proceedings, 10th Anniversary International Conference on Nanomaterials - Research and Application).
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