Article

Plasmonics

, Volume 2, Issue 2, pp 47-50

First online:

Aligned Silver Nanoparticles on Rippled Silicon Templates Exhibiting Anisotropic Plasmon Absorption

  • Thomas W. H. OatesAffiliated withForschungszentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Email author 
  • , Adrian KellerAffiliated withForschungszentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research
  • , Stefan FacskoAffiliated withForschungszentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research
  • , Arndt MücklichAffiliated withForschungszentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research

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Abstract

Aligned silver nanoparticles, grown by combining two simple bottom-up techniques, are reported. Physical vapor-deposited silver adatoms are shown to form nanoparticles preferentially in the valleys of rippled silicon templates prepared by low-energy ion bombardment. A 35-nm ripple periodicity produced highly aligned structures with a 0.21 eV polarization-dependent shift in the plasmon resonance peak. The speed and simplicity of the method is viable for cost-effective, large-scale production of mesoscale aligned nanostructures with adjustable periodicity.

Key words

Self-organization Self-alignment Plasmon coupling SERS Island films