Abstract

Abstract The polymerization of pyrrole adsorbed on a roughened gold electrode was studied by surface enhanced Raman scattering (SERS) spectroscopy. It was found that pyrrole was polymerized at −0.2 V vs. SCE and under open circuit. It is concluded that the polymerization of pyrrole occurs by the catalytic action of adatoms on a roughened gold electrode because pyrrole is adsorbed with the molecular ring parallel to the surface plane.

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