Oriented growth of large-area metal-organic framework ZIF-8 membrane for hydrogen separation

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Chunxin Jin
  • Shuai Liu
  • Xiaofang Chen
  • Yanhong Li
  • Jürgen Caro
  • Aisheng Huang

External Research Organisations

  • East China Normal University
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Details

Original languageEnglish
Article number123163
Number of pages7
JournalJournal of membrane science
Volume711
Early online date5 Aug 2024
Publication statusE-pub ahead of print - 5 Aug 2024

Abstract

Optimal orientation is the key factor to optimize the gas separation performance of metal-organic framework (MOF) membranes. However, it is still greatly challenging to prepare large-area oriented MOF membranes for industrial applications. Herein, we prepared compact and (100) oriented zeolitic-imidazolate framework-8 (ZIF-8) membranes with membrane area up to 500 cm2 on the graphite substrate via support-induced strategy within 2 h. With membrane thickness of only 620 nm, the (100) oriented ZIF-8 membranes exhibit high gas separation performances due to the reduction of inter-crystalline defects and permeation resistance. At 100 °C and 1 bar, the separation factors of H2/CO2, H2/CH4 and H2/C3H8 are 18.5, 58.2 and 101.6, respectively, with H2 permeance of about 160 x 10−9 mol m−2 s−1·Pa−1. The different positions of the 500 cm2 ZIF-8 membrane show complete consistency in orientation and separation performance, recommending this membrane suitable for future industrial applications. Further, also oriented ZIF-67 and MOF-303 membranes can be consistently prepared by this strategy, confirming its versatility for the preparation of large-area MOF membranes.

Keywords

    Hydrogen separation, Metal-organic frameworks membranes, Oriented growth, ZIF-8 membrane

ASJC Scopus subject areas

Cite this

Oriented growth of large-area metal-organic framework ZIF-8 membrane for hydrogen separation. / Jin, Chunxin; Liu, Shuai; Chen, Xiaofang et al.
In: Journal of membrane science, Vol. 711, 123163, 11.2024.

Research output: Contribution to journalArticleResearchpeer review

Jin, C., Liu, S., Chen, X., Li, Y., Caro, J., & Huang, A. (2024). Oriented growth of large-area metal-organic framework ZIF-8 membrane for hydrogen separation. Journal of membrane science, 711, Article 123163. Advance online publication. https://doi.org/10.1016/j.memsci.2024.123163
Jin C, Liu S, Chen X, Li Y, Caro J, Huang A. Oriented growth of large-area metal-organic framework ZIF-8 membrane for hydrogen separation. Journal of membrane science. 2024 Nov;711:123163. Epub 2024 Aug 5. doi: 10.1016/j.memsci.2024.123163
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AU - Jin, Chunxin

AU - Liu, Shuai

AU - Chen, Xiaofang

AU - Li, Yanhong

AU - Caro, Jürgen

AU - Huang, Aisheng

N1 - Publisher Copyright: © 2024 Elsevier B.V.

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N2 - Optimal orientation is the key factor to optimize the gas separation performance of metal-organic framework (MOF) membranes. However, it is still greatly challenging to prepare large-area oriented MOF membranes for industrial applications. Herein, we prepared compact and (100) oriented zeolitic-imidazolate framework-8 (ZIF-8) membranes with membrane area up to 500 cm2 on the graphite substrate via support-induced strategy within 2 h. With membrane thickness of only 620 nm, the (100) oriented ZIF-8 membranes exhibit high gas separation performances due to the reduction of inter-crystalline defects and permeation resistance. At 100 °C and 1 bar, the separation factors of H2/CO2, H2/CH4 and H2/C3H8 are 18.5, 58.2 and 101.6, respectively, with H2 permeance of about 160 x 10−9 mol m−2 s−1·Pa−1. The different positions of the 500 cm2 ZIF-8 membrane show complete consistency in orientation and separation performance, recommending this membrane suitable for future industrial applications. Further, also oriented ZIF-67 and MOF-303 membranes can be consistently prepared by this strategy, confirming its versatility for the preparation of large-area MOF membranes.

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