Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor
Rao, Jun, Vijayaraghavan, R., Chen, Fangfang, Zhu, Haijin, Howlett, Patrick C., MacFarlane, Douglas R. and Forsyth, Maria 2016, Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor, Chemical communications, vol. 52, no. 98, pp. 14097-14100, doi: 10.1039/c6cc07154f.
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Protic organic ionic plastic crystals based on a difunctional cation and the triflate anion: a new solid-state proton conductor
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.
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