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Advanced Materials

A New Mesoporous Manganese Oxide Pillared with Double Layers of Alumina


  • This work was supported by CREST of the Japan Science and Technology Agency (JST).


The flocculation of colloidal nanosheets of MnO2 with Al13 Keggin ions produces a novel pillared structure with a double-layer arrangement of Al13 species, which exhibits a large intersheet spacing of 2.3 nm and a well-defined mesoporosity. The Figure shows a schematic representation of the formation process.

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