Issue 24, 2017

Synthesis of b-oriented MFI nanosheets with high-aspect ratio by suppressing intergrowth with 2D GO nanosheets

Abstract

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).

Graphical abstract: Synthesis of b-oriented MFI nanosheets with high-aspect ratio by suppressing intergrowth with 2D GO nanosheets

Supplementary files

Article information

Article type
Paper
Submitted
23 Feb 2017
Accepted
23 May 2017
First published
23 May 2017

CrystEngComm, 2017,19, 3263-3270

Synthesis of b-oriented MFI nanosheets with high-aspect ratio by suppressing intergrowth with 2D GO nanosheets

H. Ding, X. Ni, Y. Zhang, J. Zhang, Z. Zeng, M. Qi, P. Bai and X. Guo, CrystEngComm, 2017, 19, 3263 DOI: 10.1039/C7CE00371D

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