Issue 98, 2016
From the journal:

Chemical Communications

Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor†

Jun Rao,a   R. Vijayaraghavan,b   Fangfang Chen,a   Haijin Zhu,*a   Patrick C. Howlett,a   Douglas R. MacFarlaneb  and  Maria Forsyth*a  

* Corresponding authors

a ARC Centre of Excellence for Electromaterials Science (ACES), Institute for Frontier Materials (IFM), Deakin University, Melbourne Campus at Burwood, Burwood, VIC 3125, Australia
E-mail: h.zhu@deakin.edu.au, maria.forsyth@deakin.edu.au

b ARC Centre of Excellence for Electromaterials Science (ACES), Department of Materials Engineering, Monash University, Wellington Rd, Clayton, VIC 3800, Australia

Abstract

Two protic organic ionic plastic crystalline materials based on the mono- and di-protonated cations of N,N-dimethylethylenediamine, (DMEDA) and the triflate anion have been studied. The symmetrical di-protonated cation salt shows 54 °C higher melting point and 24-fold higher conductivity at room temperature as compared to the mono-protonated cation salt, making it a promising candidate for a solid-state proton conductor. The conductivity of this salt was further enhanced by acid doping.

Graphical abstract: Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor

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Article information

DOI
https://doi.org/10.1039/C6CC07154F
Article type
Communication
Submitted
01 Sep 2016
Accepted
31 Oct 2016
First published
31 Oct 2016

Chem. Commun., 2016,52, 14097-14100

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Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor

J. Rao, R. Vijayaraghavan, F. Chen, H. Zhu, P. C. Howlett, D. R. MacFarlane and M. Forsyth, Chem. Commun., 2016, 52, 14097 DOI: 10.1039/C6CC07154F

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