Cu@Ag/β-AgVO3 as a SERS substrate for the trace level detection of carbamate pesticides

Essy K. Fodjo; Sara Riaz; Da-Wei Li; Lu-Lu Qu; Niamien P. Marius; Trokourey Albert; Yi-Tao Long

doi:10.1039/C2AY25635E

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Cu@Ag/β-AgVO₃ as a SERS substrate for the trace level detection of carbamate pesticides†

Essy K. Fodjo,^a Sara Riaz,^a Da-Wei Li,*^a Lu-Lu Qu,^a Niamien P. Marius,^b Trokourey Albert^b and Yi-Tao Long*^a

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* Corresponding authors

^a Key Laboratory for Advanced Materials & Department of Chemistry, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237 P. R. China
E-mail: ytlong@ecust.edu.cn
Fax: +86-21-64250032
Tel: +86-21-64250032

^b Laboratoire de Chimie Physique, Université de Cocody, 22 BP 582 Abidjan 22, Abidjan, Côte d'Ivoire

Abstract

A Surface Enhanced Raman Scattering (SERS) substrate based on Ag/β-AgVO₃ nanobelts deposited on copper foil (Cu@Ag/β-AgVO₃) was used for the detection of carbamate pesticides: carbofuran, carbaryl, isoprocarb and propoxur. Cu@Ag/β-AgVO₃ has shown an excellent SERS activity for carbamate pesticides compared to silver nanoparticles (AgNPs). Under optimized conditions, detection limits of 2.5 pM, 10 pM, 50 pM and 75 pM were obtained for carbaryl, carbofuran, isoprocarb and propoxur respectively, suggesting that Cu@Ag/β-AgVO₃ is a good candidate for use as a SERS substrate for the trace level detection of these pesticides.

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Article information

DOI: https://doi.org/10.1039/C2AY25635E
Article type: Paper
Submitted: 20 Jun 2012
Accepted: 04 Sep 2012
First published: 04 Sep 2012

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Anal. Methods, 2012,4, 3785-3791

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Cu@Ag/β-AgVO₃ as a SERS substrate for the trace level detection of carbamate pesticides

E. K. Fodjo, S. Riaz, D. Li, L. Qu, N. P. Marius, T. Albert and Y. Long, Anal. Methods, 2012, 4, 3785 DOI: 10.1039/C2AY25635E

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Analytical Methods