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Keywords:

  • catalysis;
  • diatom biosilica;
  • nanoparticles;
  • Raman spectroscopy;
  • scanning probe microscopy

Abstract

Diatom-templated noble metal (Ag, Pt, Au) and semiconductor (CdTe) nanoparticle arrays were synthesized by the attachment of prefabricated nanoparticles of defined size. Two different attachment techniques—layer-by-layer deposition and covalent linking—could successfully be applied. The synthesized arrays were shown to be useful for surface-enhanced Raman spectroscopy (SERS) of components, for catalysis, and for improved image quality in scanning electron microscopy (SEM).