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

@article{Guts2010SilverDF,
  title={Silver dendrites from galvanic displacement on commercial aluminum foil as an effective SERS substrate.},
  author={Albert Gut{\'e}s and C. F. F. Carraro and Roya Maboudian},
  journal={Journal of the American Chemical Society},
  year={2010},
  volume={132 5},
  pages={1476-7}
}
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 confirmed the metallic nature of the formed dendrites. SERS substrates were fabricated by spreading of the dendrites on double side Scotch… CONTINUE READING
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