Surface EXAFS of Underpotentially Deposited Silver on Au (111) Electrodes.
Interim technical rept.,
PUERTO RICO UNIV RIO PIEDRAS DEPT OF PHYSICS
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The fluorescence detected surface EXAFS of silver, underpotentially deposited from aqueous solutions of silver ion Perchloric acid electrolyte on Gold 111 electrodes was used to investigate the local structure of the adsorbate. Analysis of the data indicates that the silver atoms are bonded to three surface gold atoms at a distance of 2.7505A and to an oxygen atom from solvent or electrolyte at a distance of 2.4205A. These data suggest that the silver atoms sit at three-fold sited on the gold surface with water or perchlorate anion from the electrolyte bonded at a well defined distance.
- Inorganic Chemistry
- Electrical and Electronic Equipment