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Keywords:

  • metal nanorods;
  • metal nanowires;
  • plasmon resonance;
  • porous alumina;
  • electrodeposition;
  • silver

Abstract

Silver nanorods have been grown by electrodeposition into thin film porous alumina templates (AAO). Optical transmission measurements using p-polarized incident white light shows clear plasmon resonance extinction peaks. We successfully model the dependence on angle in incidence of extinction peak height and position using a multiple–multipoles (MMP) approach with the different spectral features being clearly associated with the effective electric field distribution and coupling between individual nanorods.