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Ionic Conductivity of Lithium Salt/Oligo(ethylene oxide)‐Based Liquid‐Crystal Mixtures: The Effect of Molecular Architecture on the Conduction Process

2005; Volume: 17; Issue: 6 Linguagem: Inglês

10.1002/adma.200400788

1521-4095

Patrick Judeinstein, Frédérick Roussel,

Ionic liquids properties and applications

Advanced MaterialsVolume 17, Issue 6 p. 723-727 Communication Ionic Conductivity of Lithium Salt/Oligo(ethylene oxide)-Based Liquid-Crystal Mixtures: The Effect of Molecular Architecture on the Conduction Process† P. Judeinstein, P. Judeinstein pjudeins@icmo.u-psud.fr Search for more papers by this authorF. Roussel, F. Roussel Laboratoire de Thermophysique de la Matière Condensée, UMR 8024, Université du Littoral–Côte d'Opale, F-59140 Dunkerque, FranceSearch for more papers by this author P. Judeinstein, P. Judeinstein pjudeins@icmo.u-psud.fr Search for more papers by this authorF. Roussel, F. Roussel Laboratoire de Thermophysique de la Matière Condensée, UMR 8024, Université du Littoral–Côte d'Opale, F-59140 Dunkerque, FranceSearch for more papers by this author First published: 11 March 2005 https://doi.org/10.1002/adma.200400788Citations: 31 † The authors are indebted to Dr. Catherine Renard for her kind help with setting up the conductivity measurements and to Drs. Jacques Courtieu and Denis Merlet for fruitful discussions concerning the fluorine NMR experiments. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract Thermotropic nematic electrolytes are obtained by dissolving lithium salts within nematogens bearing poly(ethylene oxide) (PEO) chains located either at the termini or in the middle of the rigid nematogen cores (see Figure). The ionic conductivity is enhanced for alkali salt/liquid crystal mixtures with short terminal PEO chains. Self-diffusion coefficients of the mobile species and the fluorine–fluorine dipolar couplings are determined by NMR, and provide insight into the ionic conductivity mechanism. Citing Literature Volume17, Issue6March, 2005Pages 723-727 RelatedInformation