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Gold Nanoparticles

Gold nanoparticles exhibit a Plasmon resonance in the visible that causes the surface to appear pink in color. The figure below shows this resonance by plotting absorbance versus wavelength. The spectral width and strength of this resonance are a function of particle size and separation.

gold_nanoparticles_spectra

Omega fabricates metallic nanoparticles by depositing thin metals combined with custom annealing steps.

gold_nanoparticles

  • Custom sizes are available
  • Thickness as specified

Applications for Gold Nanoparticles

  • Biochemical Testing
  • Stimulated Raman Spectroscopy (SERs)