Determination of low level nitrate/nitrite contamination using SERS-active Ag/ITO substrates coupled to a self-designed Raman spectroscopy system

A portable and simple Raman scattering and photoluminescence spectroscopy system was set up for sensitive and rapid determination of nitrate/nitrite at low concentrations in water samples. The SERS (Surface Enhanced Raman Scattering) – active Ag/ITO substrates were prepared and employed to obtain th...

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Bibliographic Details
Published in:	Journal of science. Advanced materials and devices Vol. 2; no. 2; pp. 172 - 177
Main Authors:	Tran, Chi T.K., Tran, Huyen T.T., Bui, Hien T.T., Dang, Trung Q., Nguyen, Liem Q.
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 01-06-2017 Elsevier
Subjects:	Detection of nitrite/nitrate Limit of detection Raman spectrometer SERS substrates Silver nanoparticles Raman spectrometer Limit of detection SERS substrates Silver nanoparticles Detection of nitrite/nitrate
Online Access:	Get full text
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Summary:	A portable and simple Raman scattering and photoluminescence spectroscopy system was set up for sensitive and rapid determination of nitrate/nitrite at low concentrations in water samples. The SERS (Surface Enhanced Raman Scattering) – active Ag/ITO substrates were prepared and employed to obtain the enhanced Raman scattering light from the sample. Concentrations as low as 1 ppm and 0.1 ppm were detectable for nitrate and nitrite, respectively. The obtained results confirmed the usefulness of the designed system in actual environmental measurements and analysis.
ISSN:	2468-2179 2468-2179
DOI:	10.1016/j.jsamd.2017.05.002