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Surface-enhanced raman scattering (SERS) spectroscopy: a versatile tool in electrochemistry

Ujjal Kumar Sur

This review article describes the recent development in field of surfaceenhanced Raman scattering research. The first SERS spectra was obtained from an electrochemical system of pyridine molecule adsorbed on roughened silver electrode, which led to the discovery of the SERS effect in the mid-1970s. The various aspects of SERS research which includes various SERS active substrates, mechanismof SERS and the various applications have been described in this reviewarticle. Special emphasis is given to the important features of electrochemical SERS (EC-SERS), a special branch ofSERS.