Abstract
Surface enhanced Raman scattering (SERS) studies have been undertaken on Ag doped sol–gel derived film with 7-azaindole (7-AI) used as the reference compound. The enhancement factor in the film is comparable with the result of the chloride aggregated silver citrate sol. Along with the spectral observation and assignments of the frequencies, the significance of colloidal sol–gel film in which the size of the metal is in the dimensions of nanometers have been discussed.
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