期刊
ADVANCED MATERIALS
卷 24, 期 6, 页码 781-+出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201104230
关键词
ionic liquids; liquid crystals; conducting materials; polyiodides; mesophases; viscoelastic phase
类别
资金
- Swiss National Science Foundation
- Marie Curie Reintegration Grant [MIRG-CT-2005-014868]
- Swedish Research Council through the Linnaeus Center of Excellence on Organizing Molecular Matter
The phase diagram of the redox active ionic liquid 1-methyl-3-propylimidazolium iodide (PMII) is examined as a function of temperature and iodine concentration. Beyond a threshold concentration of 3.9 M, the formation of higher polyiodides gives rise to a viscoelastic phase upon cooling. Despite of the very high viscosity of such polyiodide-containing PMII melts a strikingly high conductivity is maintained through Grotthuss-type bond exchange and ionic conduction.
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