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Chemphyschem. 2001 Dec 17;2(12):743-5. doi: 10.1002/1439-7641(20011217)2:12<743::AID-CPHC743>3.0.CO;2-1.

Tunable surface-enhanced Raman scattering from large gold nanoparticle arrays.

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  • 1Department of Chemistry, Purdue University, West Lafayette, IN 47907-1393, USA.

Abstract

Raman signal enhancements in excess of 10(7) can be achieved at near-infrared wavelengths when mid-nanometer sized gold particles self-organize into close-packed planar arrays. These substrates generate stable surface-enhanced Raman scattering which changes dramatically as a function of periodic structure and excitation wavelength.

© 2001 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.

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