Abstract
Pillared interlayered clays (PILCs) draw intensive attention in the fields of chemistry and material sciences, owing to their strong surface acidity and large microporosity. These materials are superior selective heterogeneous catalysts and adsorbents. However, conventional hydroxy-aluminum pillared clays are based on Al13, which cannot provide desirable properties due to its inherent limitation of size. Herein, a convenient method has been developed to prepare Al30 PILCs from montmorillonite (Mt) and a base-hydrolyzed solution of Al (III) chloride. To the best of our knowledge, this is the first time that porous pillared interlayered Mt with large Al30 pillars (2×1×1 nm) has been successfully prepared. This fundamental work may open up entirely new avenues for developing novel PILCs as heterogeneous catalysts and porous adsorbents.
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