Surface-enhanced Raman scattering greatly magnifies the weak light signals associated with Raman scattering, allowing for the detection of trace chemical compounds. This effect is achieved when molecules are in contact with metal nanoparticles, causing plasmons to be created on the surface of the metal. This led to the development of surface-enhanced Raman spectroscopy (SERS), which […]
Light can be scattered when it interacts with a molecule, causing it to emit a new photon at the same frequency, known as elastic scattering. Inelastic scattering, such as Raman scattering, occurs when the emitted photon has a lower or higher frequency. Raman scattering can be used to determine the composition of a material sample […]
Raman spectroscopy studies low-frequency modes of radiation and matter by scattering monochromatic light. The Raman effect causes a molecule to be excited by a photon, increasing or decreasing its energy level. The light is then transmitted to a monochromator, which collects the remaining light with vibrational information. Raman spectroscopy is commonly used in chemistry, medicine, […]
