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Keywords:

  • surface-enhanced Raman spectroscopy (SERS);
  • electrodynamic precipitation;
  • nanolenses;
  • hybrid molecular arrays;
  • surface patterning
Thumbnail image of graphical abstract

Three different delivery concepts (standard diffusion, global electrodynamic precipitation, and localized nanolens-based precipitation) and three different SERS enhancement layers (a silver film, a nanolens-based localized silver nanoparticle film, and the standard AgFON) are compared. The nanolens concept is applied to increase the SERS signal: a factor of 633, when compared to a standard mechanism of diffusion, is observed.