Two- and three-dimensional mesoporous iron oxides with microporous walls.

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Age concern: Alkyl amine templates act as bifunctional surfactants which can template mesostructures with microporous walls. Ordered two-dimensional hexagonal mesoporous iron oxide with P6mm symmetry and three-dimensional cubic mesoporous iron oxide with Fm3m symmetry (see TEM image) have been prepared by using decylamine as the template, iron(III) ethoxide as the precursor, and different aging conditions.