Chemical sensing and imaging with metallic nanorods

Catherine J. Murphy, Anand M. Gole, Simona Elisabeta Murph, John W. Stone, Patrick N. Sisco, Alaaldin Alkilany, Brian E. Kinard, Patrick Hankins

Research output: Contribution to journalReview article

221 Citations (Scopus)

Abstract

In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ("plasmons") in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms.

Original languageEnglish (US)
Pages (from-to)544-557
Number of pages14
JournalChemical Communications
Volume8
Issue number5
DOIs
StatePublished - Jan 1 2002

Fingerprint

Nanorods
Nanoparticles
Imaging techniques
Light scattering
Chemical detection
Rayleigh scattering
Plasmons
Metal nanoparticles
Nanospheres
Precious metals
Surface chemistry
Conduction bands
Silver
Gold
Electromagnetic waves
Chemical properties
Raman scattering
Refractive index
Agglomeration
Optical properties

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

Murphy, C. J., Gole, A. M., Murph, S. E., Stone, J. W., Sisco, P. N., Alkilany, A., ... Hankins, P. (2002). Chemical sensing and imaging with metallic nanorods. Chemical Communications, 8(5), 544-557. https://doi.org/10.1039/b711069c

Chemical sensing and imaging with metallic nanorods. / Murphy, Catherine J.; Gole, Anand M.; Murph, Simona Elisabeta; Stone, John W.; Sisco, Patrick N.; Alkilany, Alaaldin; Kinard, Brian E.; Hankins, Patrick.

In: Chemical Communications, Vol. 8, No. 5, 01.01.2002, p. 544-557.

Research output: Contribution to journalReview article

Murphy, CJ, Gole, AM, Murph, SE, Stone, JW, Sisco, PN, Alkilany, A, Kinard, BE & Hankins, P 2002, 'Chemical sensing and imaging with metallic nanorods', Chemical Communications, vol. 8, no. 5, pp. 544-557. https://doi.org/10.1039/b711069c
Murphy CJ, Gole AM, Murph SE, Stone JW, Sisco PN, Alkilany A et al. Chemical sensing and imaging with metallic nanorods. Chemical Communications. 2002 Jan 1;8(5):544-557. https://doi.org/10.1039/b711069c
Murphy, Catherine J. ; Gole, Anand M. ; Murph, Simona Elisabeta ; Stone, John W. ; Sisco, Patrick N. ; Alkilany, Alaaldin ; Kinard, Brian E. ; Hankins, Patrick. / Chemical sensing and imaging with metallic nanorods. In: Chemical Communications. 2002 ; Vol. 8, No. 5. pp. 544-557.
@article{fe043235f96a432681bb7b90d2f38cfc,
title = "Chemical sensing and imaging with metallic nanorods",
abstract = "In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ({"}plasmons{"}) in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms.",
author = "Murphy, {Catherine J.} and Gole, {Anand M.} and Murph, {Simona Elisabeta} and Stone, {John W.} and Sisco, {Patrick N.} and Alaaldin Alkilany and Kinard, {Brian E.} and Patrick Hankins",
year = "2002",
month = "1",
day = "1",
doi = "10.1039/b711069c",
language = "English (US)",
volume = "8",
pages = "544--557",
journal = "Chemical Communications",
issn = "1359-7345",
publisher = "Royal Society of Chemistry",
number = "5",

}

TY - JOUR

T1 - Chemical sensing and imaging with metallic nanorods

AU - Murphy, Catherine J.

AU - Gole, Anand M.

AU - Murph, Simona Elisabeta

AU - Stone, John W.

AU - Sisco, Patrick N.

AU - Alkilany, Alaaldin

AU - Kinard, Brian E.

AU - Hankins, Patrick

PY - 2002/1/1

Y1 - 2002/1/1

N2 - In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ("plasmons") in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms.

AB - In this Feature Article, we examine recent advances in chemical analyte detection and optical imaging applications using gold and silver nanoparticles, with a primary focus on our own work. Noble metal nanoparticles have exciting physical and chemical properties that are entirely different from the bulk. For chemical sensing and imaging, the optical properties of metallic nanoparticles provide a wide range of opportunities, all of which ultimately arise from the collective oscillations of conduction band electrons ("plasmons") in response to external electromagnetic radiation. Nanorods have multiple plasmon bands compared to nanospheres. We identify four optical sensing and imaging modalities for metallic nanoparticles: (1) aggregation-dependent shifts in plasmon frequency; (2) local refractive index-dependent shifts in plasmon frequency; (3) inelastic (surface-enhanced Raman) light scattering; and (4) elastic (Rayleigh) light scattering. The surface chemistry of the nanoparticles must be tunable to create chemical specificity, and is a key requirement for successful sensing and imaging platforms.

UR - http://www.scopus.com/inward/record.url?scp=38349142594&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=38349142594&partnerID=8YFLogxK

U2 - 10.1039/b711069c

DO - 10.1039/b711069c

M3 - Review article

VL - 8

SP - 544

EP - 557

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

IS - 5

ER -