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Unusual framework stabilization of Cu(II) and Cu(I) ions in a novel copper-substituted aluminophosphate with AEN topology prepared by one pot synthesis

机译:一锅合成制备的具有AEN拓扑结构的新型铜取代铝磷酸盐中的Cu(II)和Cu(I)离子异常骨架稳定

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A novel copper-substituted aluminophosphate (CuIST-2) has been synthesized using methylamine as a templating agent. X-Ray diffraction studies provide evidence for an AEN topology similar to the parent Cu-free IST-2. An increase of the cell parameters suggested an isomorphous substitution of framework aluminium by copper. Combined cyclic voltammetry, H2-TPR, FTIR and cw EPR provide independent proof for an unusual framework position of Cu(II) ions in the as-synthesized phase and the further stabilization of both framework Cu(II) and Cu(I) in the air-calcined material.
机译:使用甲胺作为模板剂合成了一种新型的铜取代铝磷酸盐(CuIST-2)。 X射线衍射研究为类似于母体无铜IST-2的AEN拓扑提供了证据。电池参数的增加表明框架铝被铜同构取代。联合循环伏安法,H2-TPR,FTIR和cw EPR为合成态相中Cu(II)离子的异常骨架位置提供了独立的证据,并进一步证明了Cu(II)和Cu(I)骨架在框架中的进一步稳定。空气煅烧材料。

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