Citation: Ensheng Zhan, Zhiping Xiong, Yan Zhou, Mingrun Li, Pengfei Wang, Weibin Fan, Wenjie Shen. Perpendicular intergrowth ZSM-5 plates with shortened 10-MR pores[J]. Chinese Journal of Catalysis, ;2020, 41(7): 1132-1139. doi: 10.1016/S1872-2067(20)63573-2 shu

Perpendicular intergrowth ZSM-5 plates with shortened 10-MR pores

a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
b State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, Shanxi, China;
c University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 11 November 2019

Fund Project: This work was supported by the National Natural Science Foundation of China (21773229).

ZSM-5 plates with a perpendicular intergrowth structure was synthesized by using a simple amine as the structure directing agent under hydrothermal conditions, in which the mother plate and the perpendicularly standing plates oriented along the (010) and (100) planes of MFI crystals, respectively. During the crystallization process, the mother plate was initially formed on the surface of the amorphous solid gel, while a set of parallel plates perpendicularly grew on its surface, via a homogeneous nucleation mechanism. The mother plate and the perpendicular plates had a similar thickness of 100-200 nm and were characterized by considerably shortened straight and zigzag 10 member ring pores, respectively. This unique intergrowth structure greatly facilitated the diffusion of the reactive molecules in HZSM-5 crystals during methanol conversion to hydrocarbons.
- ZSM-5,
- Plate structure,
- Perpendicular Intergrowth,
- Channel length,
- Hierarchical structure,
- Molecule diffusion
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