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  • Vol. 36, Iss. 8 — Apr. 15, 2011
  • pp: 1362–1364

Engineering the plasmon resonance of large area bimetallic nanoparticle films by laser nanostructuring for chemical sensors

Michail J. Beliatis, Simon J. Henley, and S. Ravi P. Silva  »View Author Affiliations


Optics Letters, Vol. 36, Issue 8, pp. 1362-1364 (2011)
http://dx.doi.org/10.1364/OL.36.001362


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Abstract

Large area fabrication of metal alloy nanoparticles with tunable surface plasmon resonances on low-cost substrates is reported. A UV excimer laser was used to anneal 5 nm thick Ag Au bilayer films deposited with different composition ratios to create alloy nanoparticles. These engineered surfaces are used to investigate how the wavelength of the surface plasmon resonance affects the optical detection capability of chemical species by surface-enhanced Raman spectroscopy.

© 2011 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(220.4241) Optical design and fabrication : Nanostructure fabrication
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(240.6695) Optics at surfaces : Surface-enhanced Raman scattering

ToC Category:
Optics at Surfaces

History
Original Manuscript: July 23, 2010
Revised Manuscript: March 2, 2011
Manuscript Accepted: March 15, 2011
Published: April 7, 2011

Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics

Citation
Michail J. Beliatis, Simon J. Henley, and S. Ravi P. Silva, "Engineering the plasmon resonance of large area bimetallic nanoparticle films by laser nanostructuring for chemical sensors," Opt. Lett. 36, 1362-1364 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1362


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