Both surface plasmon resonance (SPR) spectroscopy and its counterpart, localized ... Gold, with its relative permittivity of -22.855 + 1.4245 i at 785 nm, and silver, ... B. and Csarnovics, I., 2014, ...

(Left) Surface plasmon resonance where the free electrons in the metal nanoparticle are driven into oscillation due to a strong coupling with a specific wavelength of incident light. (Right) Dark ...

In biological applications, the use of silver nanoparticles is also based on leveraging the enhanced electromagnetic field at and near their surface. Acting as nanoscale antennas, particularly at the ...

Surface plasmon resonance occurs when the incident infrared light interacts with the collective oscillations of free electrons (plasmons) in nanostructured metal surfaces, such as gold or silver. When ...

This surface plasmon resonance can be exploited to create nanoantennas, efficient solar cells and other useful devices. One of the best studied applications of plasmonic materials is sensors for ...

Surface-enhanced Raman spectroscopy (SERS) uses electromagnetic fields to improve Raman scattering and boost sensitivity in standard dyes such as R6G by more than one billionfold.

Localized surface plasmon resonance (LSPR) is a phenomenon that occurs when light interacts with conductive nanoparticles that are smaller than the incident wavelength. It involves the collective ...

Surface-enhanced Raman spectroscopy ... Silver nanoparticles take spectroscopy to new dimension. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2018 / 01 ...

Surface-enhanced Raman spectroscopy (SERS) uses electromagnetic fields to improve Raman scattering and boost sensitivity in standard dyes such as R6G by more than one billionfold. The team decorated ...

Researchers have improved molecular detection at low concentration levels by arranging nanoparticles on nanowires to enhance Raman spectroscopy. Surface-enhanced Raman spectroscopy (SERS) uses ...