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N-methyl-N-alkylpyrrolidinium nonafluoro-1-butanesulfonate salts : Ionic liquid properties and plastic crystal behaviour

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journal contribution
posted on 01.01.2006, 00:00 authored by S Forsyth, K Fraser, Patrick HowlettPatrick Howlett, D MacFarlane, Maria ForsythMaria Forsyth
A series of N-methyl-N-alkylpyrrolidinium nonafluoro-1-butanesulfonate salts were synthesised and characterised. The thermophysical characteristics of this family of salts have been investigated with respect to potential use as ionic liquids and solid electrolytes. N-Methyl-N-butylpyrrolidinium nonafluoro-1-butanesulfonate (p1,4NfO) has the lowest melting point of the family, at 94 °C. Electrochemical analysis of p1,4 NfO in the liquid state shows an electrochemical window of ~6 V. All compounds exhibit one or more solid–solid transitions at sub-ambient temperatures, indicating the existence of plastic crystal phases.

History

Journal

Green chemistry

Volume

8

Issue

3

Pagination

256 - 261

Publisher

Royal Society of Chemistry

Location

London, England

ISSN

1463-9262

eISSN

1463-9270

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2006, The Royal Society of Chemistry