Surface-Enhanced Raman Scattering (SERS)
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Surface-enhanced Raman scattering (SERS) is a process by which normal Raman scattering (RS) can be amplified by many orders of magnitude. The utility of this lies in the rich molecular structural information attainable from RS. It is possible to capitalize on the advantages of RS through this manyfold increase in scattering intensity, while mitigating its major limitation, a very small cross-section.
Because of the great potential of this technique for practical applications, a significant amount of work has been performed over the last 30 years. This article will outline the progression of SERS as an analytical technique, from its discovery to recent work. This will include new understanding of the fundamental principles of SERS, advances in experimental techniques, and current applications in various areas including materials and biological sciences.