Author： Kritikos Mikael Ekstrand Åsa Leideborg Michael Westin Gunnar
Publisher： Springer Publishing Company
ISSN： 0928-0707
Source： Journal of Sol-Gel Science and Technology, Vol.32, Iss.1-3, 2004-12, pp. : 19-23
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Abstract
The synthesis, structure and properties of Na2Zn(OEt)4(HOEt)5, having the right Na:Zn ratio for sol–gel synthesis of the highly Na-ion conducting ceramic Na1.8Zn0.9Si1.1O4, is described. It was synthesised in high yield by a metathesis reaction of ZnCl2 and 4NaOEt in ethanol or ethanol/toluene solvent. The structure was determined by single-crystal X-ray methods and consists of two symmetry related polymeric strands with the metal sequence ...–Zn–Na–Na–Zn–.... Extensive hydrogen bonding is present within each chain. Further characterization was made with IR- and Raman-spectroscopy and thermo-calorimetry, showing that the compound is stable to 65°C.
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