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Issue 13, 2013
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Simultaneous SERS detection of copper and cobalt at ultratrace levels

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Abstract

We report a SERS-based method for the simultaneous and independent determination of two environmental metallic pollutants, Cu(II) and Co(II). This was achieved by exploiting the coordination-sensitive Raman bands of a terpyridine (TPY) derivative for detecting transition metal ions. Changes in the vibrational SERS spectra of dithiocarbamate anchored terpyridine (TPY-DTC) were correlated as a function of each metal ion concentration, with limits of detection comparable to those of several conventional analytical methods. Simultaneous detection of ultratrace levels of Co(II) in the presence of high Cu(II) concentration was also demonstrated, supporting the potential of this sensing strategy for monitoring potable water supplies.

Graphical abstract: Simultaneous SERS detection of copper and cobalt at ultratrace levels

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Article information


Submitted
27 Mar 2013
Accepted
17 Apr 2013
First published
24 Apr 2013

Nanoscale, 2013,5, 5841-5846
Article type
Paper

Simultaneous SERS detection of copper and cobalt at ultratrace levels

D. Tsoutsi, L. Guerrini, J. M. Hermida-Ramon, V. Giannini, L. M. Liz-Marzán, A. Wei and R. A. Alvarez-Puebla, Nanoscale, 2013, 5, 5841
DOI: 10.1039/C3NR01518A

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