Synthesis and characterization of a new Fe2O3 pillared triple-layered perovskite KSr2Nb3O10

Zhang Hui; Yang Wei-Ming; Fang Liang; Yang Jun-Feng; Liu Han-Xing

doi:10.1007/BF02838386

Journal of Wuhan University of Technology Materials Science Edition ›› 2003, Vol. 18 ›› Issue (4) : 35 -37. DOI: 10.1007/BF02838386

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Synthesis and characterization of a new Fe₂O₃ pillared triple-layered perovskite KSr₂Nb₃O₁₀

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Abstract

A n-Hexyl NH₃Sr₂Nb₃O₁₀ is obtained by the stepwise ion-exchange reaction, then is dispersed in aqueous solution of trinuclear acetato-hydroxo iron (III) nitrate, [Fe₃(OCOCH₃)₇OH·2H₂O]NO₃, and the interlayer potassium cations of the perovskite niobate are exchanged with the partially hydrolyzed trinuclear acetato complex ions. On heating, the exchanged complex ions are converted into iron oxide pillars which keep the perovskite sheets apart. The product is characterized by XRD, SEM, EDAX and surface area measurement respectively.

Keywords

Fe₂O₃ pillar / perovskite structure / ion-exchange / X-ray diffraction

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Zhang Hui, Yang Wei-Ming, Fang Liang, Yang Jun-Feng, Liu Han-Xing. Synthesis and characterization of a new Fe₂O₃ pillared triple-layered perovskite KSr₂Nb₃O₁₀. Journal of Wuhan University of Technology Materials Science Edition, 2003, 18(4): 35-37 DOI:10.1007/BF02838386

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