"In-situ" observation of halide ion adsorption on a gold electrode using synchrotron far infrared spectroscopy.
Journal Article
·
· J. Electroanal. Chem.
The adsorption of chloride and bromide ions on a gold electrode in the double layer region in 0.5 M perchloric acid solution was observed 'in-situ' for the first time using the technique of synchrotron far infrared reflectance spectroscopy (SFIRS). The Au-Cl surface vibrational frequency was measured to be about 263 cm{sup -1} in chloride concentrations from 0.005 to 0.05 M. The Au-Br stretching mode was observed at 182 cm{sup -1}. The SFIRS technique is a promising tool for the investigation of interfacial electrochemical structures and processes with monolayer sensitivity.
- Research Organization:
- Argonne National Laboratory (ANL)
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942404
- Report Number(s):
- ANL/CMT/JA-31075
- Journal Information:
- J. Electroanal. Chem., Journal Name: J. Electroanal. Chem. Journal Issue: 2 ; Mar. 1999 Vol. 463; ISSN JEACAX; ISSN 0368-1874
- Country of Publication:
- United States
- Language:
- ENGLISH
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