Back to Search
Start Over
Plasmon Hybridization of Au Hollow Nanocone Array for SERS Sensing.
- Source :
-
Plasmonics . Jun2024, Vol. 19 Issue 3, p1395-1402. 8p. - Publication Year :
- 2024
-
Abstract
- Surface-enhanced Raman scattering (SERS) spectroscopy plays a vital role in highly sensitive fingerprint detections and non-invasive point-of-care diagnostics. However, elaborate fabrication of a compact nanostructure-based plasmon hybridization to realize high-sensitivity SERS-active substrate remains a challenge. In this work, an Au hybrid hollow nanocone SERS substrate is successfully fabricated by ion-track technology. The overall electromagnetic enhancement is developed due to the synergistic effect of merging individual nanostructures onto one three-dimensional Au hybrid hollow nanocone SERS substrate. The near-field optical characterizations and the electromagnetic numerical simulations exhibit highly near-field nanofocusing. The reflectivity of the SERS substrate is less than 32%. The SERS spectra of rhodamine 6G molecules with a concentration detection limit of 10−8 M are analyzed, and the enhancement factor is ~ 0.75 × 105. [ABSTRACT FROM AUTHOR]
- Subjects :
- *RAMAN scattering
*SERS spectroscopy
*POINT-of-care testing
*DETECTION limit
Subjects
Details
- Language :
- English
- ISSN :
- 15571955
- Volume :
- 19
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Plasmonics
- Publication Type :
- Academic Journal
- Accession number :
- 177392964
- Full Text :
- https://doi.org/10.1007/s11468-023-02080-9