Surface-enhanced Raman microspectroscopy at electrode surfaces

Journal Article · Sun Feb 01 04:00:00 EST 1987 · Appl. Spectrosc.; (United States)

DOI:https://doi.org/10.1366/000370287774986787· OSTI ID:6732124

Hembree, Jr, D M; Oswald, J C; Smyrl, N R

Surface-enhanced Raman microspectroscopy has been developed as a technique for characterizing processes occurring at the electrode/electrolyte interface. A spectroelectrochemical cell was designed to obtain Raman spectra of electrochemical species with the use of microscope optics, which allowed unambiguous placement of laser focus at the electrode surface with spatial resolution on the order of 1 ..mu..m. It was also possible to visually inspect the surface morphology of the electrode with the use of the Raman microscope in the reflected-light mode. The capabilities of the spectroelectrochemical cell were demonstrated by observation of surface-enhanced Raman scattering (SERS) for a variety of model systems (pyridine, pyridinium ion, potassium cyanide) with the use of silver, copper, and nickel electrodes. The electrochemical behavior of a commercially important gold electroplating process is also reported.

• Research Organization: Plant Laboratory, Product Certification Division, Oak Ridge Y-12 Plant, Martin Marietta Energy Systems, Inc., Oak Ridge, Tennessee 37831
• DOE Contract Number: AC05-84OR21400
• OSTI ID: 6732124
• Journal Information: Appl. Spectrosc.; (United States), Journal Name: Appl. Spectrosc.; (United States) Vol. 41:2; ISSN APSPA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400400* -- Electrochemistry
ALKALI METAL COMPOUNDS
AMINES
AMMONIUM COMPOUNDS
AZINES
CHEMICAL ANALYSIS
CHEMISTRY
COPPER
CYANIDES
DEPOSITION
ELECTROCHEMISTRY
ELECTRODEPOSITION
ELECTRODES
ELECTROLYSIS
ELECTROLYTES
ELECTROPLATING
ELEMENTS
GOLD
HETEROCYCLIC COMPOUNDS
INTERFACES
LASER SPECTROSCOPY
LYSIS
METALS
MICROSCOPY
NICKEL
OPTICAL MICROSCOPY
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PLATING
POTASSIUM COMPOUNDS
PYRIDINES
PYRIDINIUM COMPOUNDS
QUATERNARY COMPOUNDS
RAMAN SPECTROSCOPY
SILVER
SPECTROSCOPY
SURFACE COATING
SURFACES
TRANSITION ELEMENTS