Surface-enhanced Raman scattering detection of toluene and dichlorobenzene vapors using 1-propanethiol-linked Ag nanoparticles

NoSoung Myoung; Hyung Keun Yoo; In-Wook Hwang

doi:10.1117/1.JNP.8.083083

24 June 2014 Surface-enhanced Raman scattering detection of toluene and dichlorobenzene vapors using 1-propanethiol-linked Ag nanoparticles

NoSoung Myoung, Hyung Keun Yoo, In-Wook Hwang

Author Affiliations +

Journal of Nanophotonics, Vol. 8, Issue 1, 083083 (June 2014). https://doi.org/10.1117/1.JNP.8.083083

Abstract

We have detected the surface-enhanced Raman scattering (SERS) signals of toluene and 1,2-dichlorobenzene (ODCB) vapors at parts per million concentrations using 1-propanethiol-linked Ag nanoparticles and a fiber optics–coupled Raman spectrograph. Calibration curves were constructed for each detector by plotting Raman band intensity ratios of toluene and ODCB with respect to that of 1-propanethiol as a function of vapor concentration. The detectors showed effective vapor sensing ranges of 0.6 to 600 and 10 to 600 ppm for toluene and ODCB, respectively, following vapor adsorption to the SERS hot spots. We provide evidence for the facility of the SERS detection system for instantaneously discriminating and quantifying respective vapors from a composite vapor.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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NoSoung Myoung, Hyung Keun Yoo, and In-Wook Hwang "Surface-enhanced Raman scattering detection of toluene and dichlorobenzene vapors using 1-propanethiol-linked Ag nanoparticles," Journal of Nanophotonics 8(1), 083083 (24 June 2014). https://doi.org/10.1117/1.JNP.8.083083

Published: 24 June 2014

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Cited by 9 scholarly publications and 3 patents.

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KEYWORDS

Silver

Raman spectroscopy

Surface enhanced Raman spectroscopy

Sensors

Signal detection

Raman scattering

Nanoparticles

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