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.
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Acknowledgments
TWHO was supported during this work by a Marie Curie International Incoming Fellowship from the European Commission. Our thanks go to E. Christalle for SEM images.
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Oates, T.W.H., Keller, A., Facsko, S. et al. Aligned Silver Nanoparticles on Rippled Silicon Templates Exhibiting Anisotropic Plasmon Absorption. Plasmonics 2, 47–50 (2007). https://doi.org/10.1007/s11468-007-9025-z
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DOI: https://doi.org/10.1007/s11468-007-9025-z