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dc.contributor.authorMello, N. C.-
dc.contributor.authorBonagamba, T. J.-
dc.contributor.authorPanepucci, H.-
dc.contributor.authorDahmouche, K.-
dc.contributor.authorJudeinstein, P.-
dc.contributor.authorAegerter, M. A.-
dc.identifier.citationMacromolecules. Washington: Amer Chemical Soc, v. 33, n. 4, p. 1280-1288, 2000.-
dc.description.abstractHybrid organic-inorganic ionic conductors, also called ormolytes, were obtained by dissolution of LiClO4 into silica/poly(ethylene glycol) matrices. Solid-state nuclear magnetic resonance (NMR) was used to probe the inorganic phase structure (Si-29) and the effects of the temperature and composition on the dynamic behavior of the ionic species (Li-7) and the polymer chains (H-1 and C-13). The NMR results between -100 and +90 degrees C show a strong correlation with ionic conductivity and differential scanning calorimetry experiments. The results also demonstrate that the cation mobility is assisted by segmental motion of the polymer, which is in agreement with the results previously reported for pure poly(ethylene oxide), PEG, electrolytes.en
dc.publisherAmer Chemical Soc-
dc.sourceWeb of Science-
dc.titleNMR study of ion-conducting organic-inorganic nanocomposites poly(ethylene glycol) - Silica - LiClO4en
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniv Paris Sud-
dc.contributor.institutionInst Neue Mat-
dc.description.affiliationUniv São Paulo, Inst Fis Sao Carlos, BR-13560970 Sao Carlos, SP, Brazil-
dc.description.affiliationUNESP, Inst Quim Araraquara, BR-14800900 Araraquara, SP, Brazil-
dc.description.affiliationUniv Paris Sud, Chim Organ Struct Lab, UPRESA CNRS 8074, F-91405 Orsay, France-
dc.description.affiliationInst Neue Mat, Dept Coating Technol, D-66123 Saarbrucken, Germany-
dc.description.affiliationUnespUNESP, Inst Quim Araraquara, BR-14800900 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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