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Constructing Mosaic-Tiling MFI Zeolite Mesocrystal with Enhanced Catalytic Performance

This work reports a successful achievement for constructing mosaic-tiling MFI zeolite (MT-MFI) mesocrystal with an oriented alignment of 20 nm crystallite domains, and the enhanced catalytic performance for different diffusion-limited reactions is achieved on such a MT-MFI zeolite, which is obviously superior to the conventional MFI zeolite. Furthermore, an unusual nonclassical crystallization mechanism with constant disintegration and attachment of large wormlike particles is circumstantiated for its formation process. Such a tiling scenario for MFI domains not only endows the material with a remarkable catalytic performance but also provides an alternative strategy for constructing zeolite with distinctive morphology and architecture.