Silver dendrites from galvanic displacement on commercial aluminum foil as an effective SERS substrate.


A silver galvanic displacement process on commercial aluminum foil has been carried out to produce cost-effective SERS substrates. The process is based on an extremely simple redox process where aluminum is oxidized while silver ions are reduced, yielding a final silver dendritic structure that offers a large surface area-to-volume ratio. XPS measurements… (More)
DOI: 10.1021/ja909806t


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