Comparison of nanostructures obtained from galvanic replacement in water and an ionic liquid for applications in electrocatalysis and SERS

Pearson, Andrew, O'Mullane, Anthony P., Bhargava, Suresh K., & Bansal, Vipul (2012) Comparison of nanostructures obtained from galvanic replacement in water and an ionic liquid for applications in electrocatalysis and SERS. Electrochemistry Communications, 25, pp. 87-90.

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Abstract

We demonstrate potential applications for unusual dendrite like Au–Ag alloy nanoparticles formed via a galvanic replacement reaction in the ionic liquid [BMIM][BF4]. In comparison to Au–Ag alloy nanoshells synthesised via a similar reaction in water, the unusual branched structure of the dendritic materials led to increased electrocatalytic activity for the oxidation of both formaldehyde and hydrazine, and increased sensitivity and spectral resolution for the surface enhanced Raman scattering (SERS) of 4,4-bipyridal.

Impact and interest:

14 citations in Scopus
13 citations in Web of Science®
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26 since deposited on 03 Dec 2014
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ID Code: 79197
Item Type: Journal Article
Refereed: Yes
Keywords: Electrochemistry, Galvanic replacement, Electrocatalysis, SERS, Bimetallic nanostructures
DOI: 10.1016/j.elecom.2012.07.031
ISSN: 1388-2481
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > PHYSICAL CHEMISTRY (INCL. STRUCTURAL) (030600) > Electrochemistry (030604)
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 Elsevier
Copyright Statement: This is the author’s version of a work that was accepted for publication in Electrochemistry Communications. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Electrochemistry Communications, [VOL 25, (2014)] DOI: 10.1016/j.elecom.2012.07.031
Deposited On: 03 Dec 2014 23:09
Last Modified: 10 Dec 2014 20:56

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