Abstract

Correlation between SERS of pyridine and electrochemical response of silver electrodes in halide-free alkaline solutions

Highlights

  • Surface-enhanced Raman scattering is recognized as a very powerful and sensitive method for characterizing and investigating structural aspects of adsorbates at electrode surfaces1,2 and for learning more about the structure of the electrical double layer.Since the discovery of SERS,3,4 a large number of works have focused the attention to SERS of Py on Ag electrodes (1) Surface Enhanced Raman Scattering, Chang, R

  • The height of the different current peaks observed in the oxide region remains practically constant during 30-min oxidation-reduction cycles (ORC), for longer times the voltammetric change associated with those processes

  • The present results offer the possibility of considering some basic aspects of SERS, concerning the characteristics of activated Ag electrodes and others related to SERS of Py itself

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Summary

Introduction

Surface-enhanced Raman scattering is recognized as a very powerful and sensitive method for characterizing and investigating structural aspects of adsorbates at electrode surfaces and for learning more about the structure of the electrical double layer. Since the discovery of SERS, a large number of works have focused the attention to SERS of Py on Ag electrodes (1) Surface Enhanced Raman Scattering, Chang, R. Nuclear magnetic resonance (NMR) techniques have proved to be very valuable in providing information on the structure and dynamic behavior of surfactants in micellar aggregates as well as in cubic, hexagonal, or lamellar phases.. The use of different nuclei such as 2H, 13C, and 14N provides complementary details concerning the possible kinds of motions that may occur in t University of Lund. A., Ed.; Specialist Periodical Reports, Royal Society of Chemistry: London, 1985; Vol 12, p 350

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