Surface-enhanced Raman spectroscopy (SERS) is a vibrational spectroscopy technique
with sensitivity down to the single molecule level that provides fine molecular fingerprints …

One of the most exciting new developments in the plasmonic nanomaterials field is the
discovery of their ability to mediate a number of photocatalytic reactions. Since the initial …

The design of colloidal nanostructures as surface-enhanced Raman scattering (SERS)
substrates requires control over both structural and optical characteristics. A widespread …

Sum-frequency generation (SFG) spectroscopy is a highly versatile tool for surface analysis.
Improving the SFG intensity per molecule is important for observing low concentrations of …

Downshifting (DS) and downconversion (DC) are processes in which a high-energy photon
is converted into one or several lower-energy photons, respectively. These processes have …

Surface-enhanced femtosecond stimulated Raman spectroscopy (SE-FSRS) is a technique
that has the potential to study the ultrafast dynamics of surface adsorbates with …

Coherent Raman scattering (CRS) techniques are recognized for their ability to induce and
detect vibrational coherences in molecular samples. The generation of coherent light fields …

Plasmon-enhanced stimulated Raman scattering (PESRS) microscopy has been recently
developed to reach single-molecule detection limit. Unlike conventional stimulated Raman …

Photon upconversion (UC) is the sequential absorption of two or more low frequency
photons and subsequent emission of light at a higher frequency. Because of a large number …

Four decades on, surface-enhanced Raman spectroscopy (SERS) continues to be a vibrant
field of research that is growing (approximately) exponentially in scope and applicability …