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ABSTRACT:
SUBMITTER: Filipczak P
PROVIDER: S-EPMC7874264 | biostudies-literature | 2021 Jan
REPOSITORIES: biostudies-literature
Filipczak Paulina P Pastorczak Marcin M Kardaś Tomasz T Nejbauer Michał M Radzewicz Czesław C Kozanecki Marcin M
The journal of physical chemistry. C, Nanomaterials and interfaces 20201211 3
We have observed for the first time the surface-enhanced (SE) signal of water in an aqueous dispersion of silver nanoparticles in spontaneous (SERS) and femtosecond stimulated Raman (SE-FSRS) processes with different wavelengths of the Raman pump (515, 715, and 755 nm). By estimating the fraction of water molecules that interact with the metal surface, we have calculated enhancement factors (EF): 4.8 × 10<sup>6</sup> for SERS and (3.6-3.7) × 10<sup>6</sup> for SE-FSRS. Furthermore, we have teste ...[more]