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Proceedings Paper

Effect of molecular adsorption on optical losses in metallic nanostructures
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Paper Abstract

Chemical engineering of metamaterials to reduce optical losses is studied by first principle density functional theory. Contribution of the surface states to optical losses is studied by calculations of the imaginary part of the dielectric function for several organic molecules (water, methanol, and ethanol) adsorbed on the (111) surface of Ag nano-slabs. Substantial modifications of optical functions of metallic nano-slabs in near infrared and visible spectral regions, caused by surface states and molecular adsorption, are predicted, discussed, and compared to experimental data.

Paper Details

Date Published: 4 September 2008
PDF: 6 pages
Proc. SPIE 7029, Metamaterials: Fundamentals and Applications, 70291C (4 September 2008); doi: 10.1117/12.795492
Show Author Affiliations
S. N. Williams, Norfolk State Univ. (United States)
A. V. Gavrilenko, Norfolk State Univ. (United States)
C. S. McKinney, Norfolk State Univ. (United States)
M. A. Noginov, Norfolk State Univ. (United States)
C. E. Bonner, Norfolk State Univ. (United States)
V. I. Gavrilenko, Norfolk State Univ. (United States)

Published in SPIE Proceedings Vol. 7029:
Metamaterials: Fundamentals and Applications
Mikhail A. Noginov; Nikolay I. Zheludev; Allan D. Boardman; Nader Engheta, Editor(s)

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