Issue 38, 2013
From the journal:

Journal of Materials Chemistry A

Physicochemical properties of imidazo-pyridine protic ionic liquids†

Shidokht Nazari,a   Stanley Cameron,b   Michel B. Johnsonbc  and  Khashayar Ghandi*a  

* Corresponding authors

a Department of Chemistry and Biochemistry, Mount Allison University, Sackville, New Brunswick, Canada
E-mail: kghandi@mta.ca
Tel: +1 506 961 0802

b Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada

c Institute for Research in Materials, Dalhousie University, Halifax, Nova Scotia, Canada

Abstract

A new class of protic ionic liquids (PILs) were prepared by reacting imidazo-[1,2a]-pyridine (ImPr) with benzene-1,2-dithiol (BDT), oxalic acid (Ox), phthalic acid (Phth), pimelic acid (Pim), and sulfuric acid. [ImPr][HSO4] was determined to be the most thermally stable PIL with a decomposition temperature of 326 °C and could potentially be used as an electrolyte in fuel cells and lithium ion batteries. X-ray crystallography on oxidized [ImPr][BDT] indicated the formation of the first reported disulfide PIL. [ImPr][Pim] and [ImPr][Phth] showed fragile behaviour. A Walden plot indicated ionic behaviour close to ideal for [ImPr][Phth].

Graphical abstract: Physicochemical properties of imidazo-pyridine protic ionic liquids

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Article information

DOI
https://doi.org/10.1039/C3TA12022H
Article type
Paper
Submitted
23 May 2013
Accepted
05 Jul 2013
First published
29 Jul 2013

J. Mater. Chem. A, 2013,1, 11570-11579

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Physicochemical properties of imidazo-pyridine protic ionic liquids

S. Nazari, S. Cameron, M. B. Johnson and K. Ghandi, J. Mater. Chem. A, 2013, 1, 11570 DOI: 10.1039/C3TA12022H

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