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Chemistry. 2015 Apr 20;21(17):6346-9. doi: 10.1002/chem.201406380. Epub 2015 Mar 10.

Ionic conductivity of β-cyclodextrin-polyethylene-oxide/alkali-metal-salt complex.

Author information

1
Physics Department and Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, North Zhongshan Road 3663, 200062 Shanghai (P. R. China).

Abstract

Highly conductive, crystalline, polymer electrolytes, β-cyclodextrin (β-CD)-polyethylene oxide (PEO)/LiAsF6 and β-CD-PEO/NaAsF6 , were prepared through supramolecular self-assembly of PEO, β-CD, and LiAsF6 /NaAsF6 . The assembled β-CDs form nanochannels in which the PEO/X(+) (X=Li, Na) complexes are confined. The nanochannels provide a pathway for directional motion of the alkali metal ions and, at the same time, separate the cations and the anions by size exclusion.

KEYWORDS:

inclusion complexes; ion transport; molecular dynamics; polymer electrolytes; solid-state NMR

PMID:
25756618
DOI:
10.1002/chem.201406380

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