Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system
Efthimiadis, J., Pas, S. J., Forsyth, M. and MacFarlane, D. R. 2002, Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system, Solid state ionics, vol. 154-155, pp. 279-284, doi: 10.1016/S0167-2738(02)00444-7.
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Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system
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Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system
The structure and transport of N-propyl-N-methylpyrrolidinium tetrafluoroborate (P13BF4) has been investigated over a wide temperature range in consequence to exhibiting properties suitable for potential solid-state superionic electrolyte applications. Prior to melting, the organic salt, P13BF4, transforms into a plastic crystal phase. Intrinsic conductivity in this solid, phase I (45–65 °C), is comparable to that in the melt (~10−3 S cm−1). Ionic motion and transport properties were investigated by 1H and 11B nuclear magnetic resonance (NMR) spectroscopy. Pressure-induced plastic flow in this system may accommodate volume changes in device application and to this extent, X-ray diffraction (XRD) has been used. Scanning electron microscopy (SEM) revealed complex surface morphology and lattice imperfections associated with the strong orientational disorder of the plastic state.
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