期刊
CRYSTENGCOMM
卷 19, 期 24, 页码 3263-3270出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ce00371d
关键词
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资金
- National Natural Science Foundation of China [21202116]
- Independent Innovation Foundation of Tianjin University [2017XZY-0052]
- Natural Science Foundation of Tianjin [16JCYBJC20300]
High-aspect ratio b-oriented MFI nanosheets are synthesized by simply adding a suitable amount of graphene oxide (GO) nanosheets into a multilamellar MFI zeolite crystallization system. The GO nanosheets, serving as the building blocks for oriented attachment and in situ nucleation sites, positively induce the silicalite-1 nanosheet crystallization process and confine the over-growth of MFI crystals during the subsequent preparation. A two-dimensional (2D) induction mechanism of the GO nanosheets is discussed for the generation of the b-oriented MFI nanosheets. The products were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HR-TEM), nitrogen adsorption, Fourier transform infrared (FT-IR) spectroscopy and thermogravimetric analysis (TGA).
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