Galvanic replacement mediated transformation of Ag nanospheres into dendritic Au–Ag nanostructures in the ionic liquid [BMIM][BF4]

Andrew Pearson; Anthony P. O’Mullane; Vipul Bansal; Suresh K. Bhargava

doi:10.1039/B918866E

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Galvanic replacement mediated transformation of Ag nanospheres into dendritic Au–Ag nanostructures in the ionic liquid [BMIM][BF₄]†

Andrew Pearson,^a Anthony P. O’Mullane,^a Vipul Bansal*^a and Suresh K. Bhargava*^a

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* Corresponding authors

^a School of Applied Sciences, RMIT University, GPO Box 2476V, Melbourne, VIC, Australia
E-mail: vipul.bansal@rmit.edu.au, suresh.bhargava@rmit.edu.au
Fax: 61 3 9925 2882
Tel: 61 3 9925 2121

Abstract

We demonstrate an unusual shape transformation of Ag nanospheres into {111}-oriented Au–Ag dendritic nanostructures by a galvanic replacement reaction in the ionic liquid (IL) 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF₄]).

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Supplementary files

Experimental details, TEM, EDX, XRD, UV-Vis, LSVs PDF (928K)

Article information

DOI: https://doi.org/10.1039/B918866E
Article type: Communication
Submitted: 11 Sep 2009
Accepted: 09 Nov 2009
First published: 25 Nov 2009

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Chem. Commun., 2010,46, 731-733

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Galvanic replacement mediated transformation of Ag nanospheres into dendritic Au–Ag nanostructures in the ionic liquid [BMIM][BF₄]

A. Pearson, A. P. O’Mullane, V. Bansal and S. K. Bhargava, Chem. Commun., 2010, 46, 731 DOI: 10.1039/B918866E

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