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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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Publication details

The article was received on 27 Mar 2013, accepted on 17 Apr 2013 and first published on 24 Apr 2013


Article type: Paper
DOI: 10.1039/C3NR01518A
Citation: Nanoscale, 2013,5, 5841-5846
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    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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