Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis

Dmitry Kurouski, Nicolas Large, Naihao Chiang, Nathan Greeneltch, Keith T. Carron, Tamar Seideman, George C Schatz, Richard P. Van Duyne

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Simplicity and low cost has positioned inkjet paper- and fabric-based 3D substrates as two of the most commonly used surface-enhanced Raman spectroscopy (SERS) platforms for the detection and the identification of chemical and biological analytes down to the nanogram and femtogram levels. The relationship between far-field and near-field properties of these 3D SERS platforms remains poorly understood and warrants more detailed characterization. Here, we investigate the extremely weak optical scattering observed from commercial and home-fabricated paper-, as well as fabric-based 3D SERS substrates. Using wavelength scanned surface-enhanced Raman excitation spectroscopy (WS-SERES) and finite-difference time-domain (FDTD) calculations we were able to determine their near-field SERS properties and correlate them with morphological and far-field properties. It was found that nanoparticle dimers, trimers, and higher order nanoparticle clusters primarily determine the near-field properties of these substrates. At the same time, the far-field response of 3D SERS substrates either originates primarily from the monomers or cannot be clearly defined. Using FDTD we demonstrate that LSPR bands of nanoparticle aggregates near perfectly overlap with the maxima of the near-field surface-enhanced Raman scattering responses of the 3D SERS substrates. This behaviour of far-field spectroscopic properties and near-field surface-enhanced Raman scattering has not been previously observed for 2D SERS substrates, known as nanorod arrays. The combination of these analytical approaches provides a full spectroscopic characterization of 3D SERS substrates, while FDTD simulation can be used to design new 3D SERS substrates with tailored spectral characteristics.

Original languageEnglish
Pages (from-to)1779-1788
Number of pages10
JournalAnalyst
Volume141
Issue number5
DOIs
Publication statusPublished - Mar 7 2016

Fingerprint

Raman Spectrum Analysis
Raman spectroscopy
substrate
Substrates
Nanoparticles
scattering
analysis
Raman scattering
Nanotubes
Surface Properties
Nanorods
Dimers
Monomers
Spectroscopy
Scattering

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Electrochemistry
  • Biochemistry
  • Environmental Chemistry

Cite this

Kurouski, D., Large, N., Chiang, N., Greeneltch, N., Carron, K. T., Seideman, T., ... Van Duyne, R. P. (2016). Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis. Analyst, 141(5), 1779-1788. https://doi.org/10.1039/c5an01921d

Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis. / Kurouski, Dmitry; Large, Nicolas; Chiang, Naihao; Greeneltch, Nathan; Carron, Keith T.; Seideman, Tamar; Schatz, George C; Van Duyne, Richard P.

In: Analyst, Vol. 141, No. 5, 07.03.2016, p. 1779-1788.

Research output: Contribution to journalArticle

Kurouski, D, Large, N, Chiang, N, Greeneltch, N, Carron, KT, Seideman, T, Schatz, GC & Van Duyne, RP 2016, 'Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis', Analyst, vol. 141, no. 5, pp. 1779-1788. https://doi.org/10.1039/c5an01921d
Kurouski, Dmitry ; Large, Nicolas ; Chiang, Naihao ; Greeneltch, Nathan ; Carron, Keith T. ; Seideman, Tamar ; Schatz, George C ; Van Duyne, Richard P. / Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis. In: Analyst. 2016 ; Vol. 141, No. 5. pp. 1779-1788.
@article{4485313663384035a6e618a08b18107b,
title = "Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis",
abstract = "Simplicity and low cost has positioned inkjet paper- and fabric-based 3D substrates as two of the most commonly used surface-enhanced Raman spectroscopy (SERS) platforms for the detection and the identification of chemical and biological analytes down to the nanogram and femtogram levels. The relationship between far-field and near-field properties of these 3D SERS platforms remains poorly understood and warrants more detailed characterization. Here, we investigate the extremely weak optical scattering observed from commercial and home-fabricated paper-, as well as fabric-based 3D SERS substrates. Using wavelength scanned surface-enhanced Raman excitation spectroscopy (WS-SERES) and finite-difference time-domain (FDTD) calculations we were able to determine their near-field SERS properties and correlate them with morphological and far-field properties. It was found that nanoparticle dimers, trimers, and higher order nanoparticle clusters primarily determine the near-field properties of these substrates. At the same time, the far-field response of 3D SERS substrates either originates primarily from the monomers or cannot be clearly defined. Using FDTD we demonstrate that LSPR bands of nanoparticle aggregates near perfectly overlap with the maxima of the near-field surface-enhanced Raman scattering responses of the 3D SERS substrates. This behaviour of far-field spectroscopic properties and near-field surface-enhanced Raman scattering has not been previously observed for 2D SERS substrates, known as nanorod arrays. The combination of these analytical approaches provides a full spectroscopic characterization of 3D SERS substrates, while FDTD simulation can be used to design new 3D SERS substrates with tailored spectral characteristics.",
author = "Dmitry Kurouski and Nicolas Large and Naihao Chiang and Nathan Greeneltch and Carron, {Keith T.} and Tamar Seideman and Schatz, {George C} and {Van Duyne}, {Richard P.}",
year = "2016",
month = "3",
day = "7",
doi = "10.1039/c5an01921d",
language = "English",
volume = "141",
pages = "1779--1788",
journal = "The Analyst",
issn = "0003-2654",
publisher = "Royal Society of Chemistry",
number = "5",

}

TY - JOUR

T1 - Unraveling near-field and far-field relationships for 3D SERS substrates-a combined experimental and theoretical analysis

AU - Kurouski, Dmitry

AU - Large, Nicolas

AU - Chiang, Naihao

AU - Greeneltch, Nathan

AU - Carron, Keith T.

AU - Seideman, Tamar

AU - Schatz, George C

AU - Van Duyne, Richard P.

PY - 2016/3/7

Y1 - 2016/3/7

N2 - Simplicity and low cost has positioned inkjet paper- and fabric-based 3D substrates as two of the most commonly used surface-enhanced Raman spectroscopy (SERS) platforms for the detection and the identification of chemical and biological analytes down to the nanogram and femtogram levels. The relationship between far-field and near-field properties of these 3D SERS platforms remains poorly understood and warrants more detailed characterization. Here, we investigate the extremely weak optical scattering observed from commercial and home-fabricated paper-, as well as fabric-based 3D SERS substrates. Using wavelength scanned surface-enhanced Raman excitation spectroscopy (WS-SERES) and finite-difference time-domain (FDTD) calculations we were able to determine their near-field SERS properties and correlate them with morphological and far-field properties. It was found that nanoparticle dimers, trimers, and higher order nanoparticle clusters primarily determine the near-field properties of these substrates. At the same time, the far-field response of 3D SERS substrates either originates primarily from the monomers or cannot be clearly defined. Using FDTD we demonstrate that LSPR bands of nanoparticle aggregates near perfectly overlap with the maxima of the near-field surface-enhanced Raman scattering responses of the 3D SERS substrates. This behaviour of far-field spectroscopic properties and near-field surface-enhanced Raman scattering has not been previously observed for 2D SERS substrates, known as nanorod arrays. The combination of these analytical approaches provides a full spectroscopic characterization of 3D SERS substrates, while FDTD simulation can be used to design new 3D SERS substrates with tailored spectral characteristics.

AB - Simplicity and low cost has positioned inkjet paper- and fabric-based 3D substrates as two of the most commonly used surface-enhanced Raman spectroscopy (SERS) platforms for the detection and the identification of chemical and biological analytes down to the nanogram and femtogram levels. The relationship between far-field and near-field properties of these 3D SERS platforms remains poorly understood and warrants more detailed characterization. Here, we investigate the extremely weak optical scattering observed from commercial and home-fabricated paper-, as well as fabric-based 3D SERS substrates. Using wavelength scanned surface-enhanced Raman excitation spectroscopy (WS-SERES) and finite-difference time-domain (FDTD) calculations we were able to determine their near-field SERS properties and correlate them with morphological and far-field properties. It was found that nanoparticle dimers, trimers, and higher order nanoparticle clusters primarily determine the near-field properties of these substrates. At the same time, the far-field response of 3D SERS substrates either originates primarily from the monomers or cannot be clearly defined. Using FDTD we demonstrate that LSPR bands of nanoparticle aggregates near perfectly overlap with the maxima of the near-field surface-enhanced Raman scattering responses of the 3D SERS substrates. This behaviour of far-field spectroscopic properties and near-field surface-enhanced Raman scattering has not been previously observed for 2D SERS substrates, known as nanorod arrays. The combination of these analytical approaches provides a full spectroscopic characterization of 3D SERS substrates, while FDTD simulation can be used to design new 3D SERS substrates with tailored spectral characteristics.

UR - http://www.scopus.com/inward/record.url?scp=84959440803&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84959440803&partnerID=8YFLogxK

U2 - 10.1039/c5an01921d

DO - 10.1039/c5an01921d

M3 - Article

VL - 141

SP - 1779

EP - 1788

JO - The Analyst

JF - The Analyst

SN - 0003-2654

IS - 5

ER -