Direct synthesis of IDM-1 aluminosilicate nanosheets with improved MTP performance

Yudan Gong; Jie Tuo; Shiqing Li; Yuhong Zhao; Hao Xu; Yejun Guan; Jingang Jiang; Peng Wu

doi:10.1039/D2CC06047G

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Direct synthesis of IDM-1 aluminosilicate nanosheets with improved MTP performance†

Yudan Gong,

^a Jie Tuo,

^a Shiqing Li,^a Yuhong Zhao,^a Hao Xu,^ab Yejun Guan,

^ab Jingang Jiang*^a and Peng Wu

*^ab

Author affiliations

* Corresponding authors

^a Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, North Zhongshan Road. 3663, Shanghai, China
E-mail: pwu@chem.ecnu.edu.cn, jgjiang@chem.ecnu.edu.cn

^b Institute of Eco-Chongming, Shanghai, China

Abstract

Aluminosilicate nanosheets with pure IDM-1 structure, abbreviated as Al-I1, were rapidly synthesized by adjusting the F sources. Through preliminary aging, the length along the b-axis of Al-I1 was precisely tuned in the range of 40–200 nm and meanwhile the competitive growth to the MFI phase was suppressed. With improved mass transport owing to expanded pores and shortened diffusion path along the b-axis, the Al-I1 nanosheets exhibited superior catalytic performance to conventional b-axis oriented ZSM-5 in the methanol-to-propylene (MTP) reaction. The optimal Al-I1-40 catalyst with the thinnest thickness of 40 nm showed a long catalytic lifetime of 67 h and a high propylene selectivity of up to 57.1%.

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Article information

DOI: https://doi.org/10.1039/D2CC06047G
Article type: Communication
Submitted: 08 Nov 2022
Accepted: 13 Dec 2022
First published: 13 Dec 2022

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Chem. Commun., 2023,59, 724-727

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Direct synthesis of IDM-1 aluminosilicate nanosheets with improved MTP performance

Y. Gong, J. Tuo, S. Li, Y. Zhao, H. Xu, Y. Guan, J. Jiang and P. Wu, Chem. Commun., 2023, 59, 724 DOI: 10.1039/D2CC06047G

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Chemical Communications

Direct synthesis of IDM-1 aluminosilicate nanosheets with improved MTP performance†

Abstract

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Direct synthesis of IDM-1 aluminosilicate nanosheets with improved MTP performance

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