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.

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Title Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system
Formatted title Structure and transport properties in an N,N-substituted pyrrolidinium tetrafluoroborate plastic crystal system
Author(s) Efthimiadis, J.
Pas, S. J.
Forsyth, M.
MacFarlane, D. R.
Journal name Solid state ionics
Volume number 154-155
Start page 279
End page 284
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2002-12-02
ISSN 0167-2738
1872-7689
Keyword(s) plastic crystals
fast ion conduction
electron microscopy
nuclear magnetic resonance
x-ray diffraction
Summary 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.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2002, Elsevier Science B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030108

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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