Synthesis of oriented zeolite membranes at the interface between two fluid phases

Tricoli, V and Sefcik, J and McCormick, A V (1997) Synthesis of oriented zeolite membranes at the interface between two fluid phases. Langmuir, 13 (16). pp. 4193-4196. ISSN 0743-7463

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Abstract

A method was developed for the synthesis of free-standing silicalite-1 membranes. Intergrown polycrystalline films were synthesized at the interface between a colloid-free aqueous phase and an organic phase or air. These films were characterized by scanning electron microscopy (SERI) and X-ray diffraction (XRD). It was found that the crystallites of the films formed at the air-water interface were oriented with their (010) axis orthogonal to the interface.