Issue 10, 2009
From the journal:

Analyst

Electrochemical properties of gas-generated silver nanoparticles in the presence of cyano- and chloride-containing compounds†

Armando J. Marenco,a   David B. Pedersen,b   Shiliang Wang,b   Michael W. P. Petrykb  and  Heinz-Bernhard Kraatz*c  

* Corresponding authors

a Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, Saskatchewan, Canada

b DRDC Suffield, P.O. Box 4000, Station Main, Medicine Hat, Alberta, Canada
Fax: +1 403 544 3388
Tel: +1 403 544 4011

c Department of Chemistry, University of Western Ontario, London, Ontario, Canada
E-mail: hkraatz@uwo.ca
Fax: +1 519 661 3022
Tel: +1 519 661 2111 ext. 81561

Abstract

The electrochemistry of gas-generated naked Ag nanoparticles deposited on indium-tin oxide covered glass plates is compared to bulk polycrystalline Ag. The nano-specific electrochemistry has been identified and includes the preferential formation of β-oxides. In 100 mM KOH supporting electrolyte, disruption of β-oxide formation is exploited to test for the presence of diethyl cyanophosphonate. While in 8.0 M KOH, β-oxide formation is enhanced leading to testing capabilities for 2-chloroethyl ethyl sulfide. These non-redox active compounds are effective simulants for the chemical warfare agents Tabun nerve agent and sulfur mustard, respectively.

Graphical abstract: Electrochemical properties of gas-generated silver nanoparticles in the presence of cyano- and chloride-containing compounds

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Article information

DOI
https://doi.org/10.1039/B909748A
Article type
Paper
Submitted
18 May 2009
Accepted
07 Aug 2009
First published
14 Aug 2009

Analyst, 2009,134, 2021-2027

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Electrochemical properties of gas-generated silver nanoparticles in the presence of cyano- and chloride-containing compounds

A. J. Marenco, D. B. Pedersen, S. Wang, M. W. P. Petryk and H. Kraatz, Analyst, 2009, 134, 2021 DOI: 10.1039/B909748A

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