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TitleDi-ureasil ormolytes doped with Mg2+ ions : part 1: morphological, thermal and electrochemical properties
Author(s)Nunes, Sílvia
Zea Bermudez, V. de
Silva, Maria Manuela
Barros, Sandra Cerqueira
Smith, Michael John
Morales, Enrique
Rocha, João
Carlos, Luís
Complex impedance
Cyclic voltammetry
Magnesium triflate
Issue date2005
JournalSolid State Ionics
Citation"Solid State Ionics". ISSN 0167-2738. 176:17-18 (2005) 1591-1599.
Abstract(s)Poly(oxyethylene)(POE/siloxane-based materials incorporating magnesium triflate were prepared by the sol-gel process. The host Class II hybrid matrix (di-ureasil) employed was composed of a siliceous framework to which short POE chains were covalently bonded through urea linkages. Ormolytes with salt composition ranging from 500 to 1 were characterised. The nanohybrid with n = 20, thermally stable up to 360ºC, exhibited the highest ionic conductivity. The electrochemical stability of this material was found to span -3 to +2 volts.
Publisher version ArticleURL&_udi=B6TY4-4G94HK1-1&_coverDate=05%2F31%2F2005&_alid=417564191&_rdoc=1&_fmt= &_orig=search&_qd=1&_cdi=5608&_sort=d&view= c&_acct=C000057396&_version=1&_urlVersion= 0&_userid=2459786&md5= e768ca269c1b3eff0d08a4d3b3d612a8
AccessOpen access
Appears in Collections:CDQuim - Artigos (Papers)

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