Near-infrared surface-enhanced Raman spectroscopy. Part I: Copper and gold electrodes
Journal Article
·
· Appl. Spectrosc.; (United States)
Surface-enhanced Raman spectra of pyridine on copper and gold electrodesin the near-infrared were obtained with a Fourier transform Ramanspectrometer. Surface-enhanced Raman spectra were observed forpyridine adsorbed on copper and gold electrodes while a Nd:YAG laser(1.064 ..mu..m) was used for excitation. Good-quality spectra were recordedfor 0.08 mM pyridine on a copper electrode with a single oxidation-reductioncycle, whereas for a gold electrode, several ORCs were necessary.A very intense low-energy Raman band was observed on bothmetals at positive potentials, which may be due to a metal-oxidevibrational mode.
- Research Organization:
- Environmental Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550 (S.M.A., L.F.K.); and Department of Chemistry BG-10, University of Washington, Seattle, Washington 98195 (D.D.A., L.T.L., D.E.H.)(US)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6257376
- Journal Information:
- Appl. Spectrosc.; (United States), Vol. 42:8
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER
SORPTIVE PROPERTIES
GOLD
PYRIDINE
ADSORPTION
RAMAN SPECTRA
ELECTRODES
FOURIER TRANSFORM SPECTROMETERS
INFRARED SPECTRA
AZINES
ELEMENTS
HETEROCYCLIC COMPOUNDS
MEASURING INSTRUMENTS
METALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIDINES
SORPTION
SPECTRA
SPECTROMETERS
SURFACE PROPERTIES
TRANSITION ELEMENTS
360603* - Materials- Properties
400102 - Chemical & Spectral Procedures
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
COPPER
SORPTIVE PROPERTIES
GOLD
PYRIDINE
ADSORPTION
RAMAN SPECTRA
ELECTRODES
FOURIER TRANSFORM SPECTROMETERS
INFRARED SPECTRA
AZINES
ELEMENTS
HETEROCYCLIC COMPOUNDS
MEASURING INSTRUMENTS
METALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PYRIDINES
SORPTION
SPECTRA
SPECTROMETERS
SURFACE PROPERTIES
TRANSITION ELEMENTS
360603* - Materials- Properties
400102 - Chemical & Spectral Procedures