Femtosecond Laser-Nanostructured substrates for Surface-Enhanced raman scattering

Eric D. Diebold; Nathan Harris Mack; Stephen K. Doom; Eric Mazur

doi:10.1021/la803357q

Femtosecond Laser-Nanostructured substrates for Surface-Enhanced raman scattering

Eric D. Diebold
, Nathan Harris Mack
, Stephen K. Doom
, Eric Mazur

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

150 Scopus citations

Abstract

We present a new type of surface-enhanced Raman scattering (SERS) substrate that exhibits extremely large and uniform cross-section enhancements over a macroscopic (greater than 25 mm ²) area. The substrates are fabricated using a femtosecond laser nanostructuring process, followed by thermal deposition of silver. SERS signals from adsorbed molecules show a spatially uniform enhancement factor of approximately 10 ⁷. Spectroscopic characterization of these substrates suggests their potential for use in few or single-molecule Raman spectroscopy.

Original language	English
Pages (from-to)	1790-1794
Number of pages	5
Journal	Langmuir
Volume	25
Issue number	3
DOIs	https://doi.org/10.1021/la803357q
State	Published - Feb 3 2009

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title = "Femtosecond Laser-Nanostructured substrates for Surface-Enhanced raman scattering",

abstract = "We present a new type of surface-enhanced Raman scattering (SERS) substrate that exhibits extremely large and uniform cross-section enhancements over a macroscopic (greater than 25 mm 2) area. The substrates are fabricated using a femtosecond laser nanostructuring process, followed by thermal deposition of silver. SERS signals from adsorbed molecules show a spatially uniform enhancement factor of approximately 10 7. Spectroscopic characterization of these substrates suggests their potential for use in few or single-molecule Raman spectroscopy.",

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AU - Mack, Nathan Harris

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AU - Mazur, Eric

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N2 - We present a new type of surface-enhanced Raman scattering (SERS) substrate that exhibits extremely large and uniform cross-section enhancements over a macroscopic (greater than 25 mm 2) area. The substrates are fabricated using a femtosecond laser nanostructuring process, followed by thermal deposition of silver. SERS signals from adsorbed molecules show a spatially uniform enhancement factor of approximately 10 7. Spectroscopic characterization of these substrates suggests their potential for use in few or single-molecule Raman spectroscopy.

AB - We present a new type of surface-enhanced Raman scattering (SERS) substrate that exhibits extremely large and uniform cross-section enhancements over a macroscopic (greater than 25 mm 2) area. The substrates are fabricated using a femtosecond laser nanostructuring process, followed by thermal deposition of silver. SERS signals from adsorbed molecules show a spatially uniform enhancement factor of approximately 10 7. Spectroscopic characterization of these substrates suggests their potential for use in few or single-molecule Raman spectroscopy.

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JO - Langmuir

JF - Langmuir

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Femtosecond Laser-Nanostructured substrates for Surface-Enhanced raman scattering

Abstract

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