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Hydrogen-bonded organic frameworks for membrane separation. | LitMetric

Hydrogen-bonded organic frameworks for membrane separation.

Chem Soc Rev

Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Sciences, Zhejiang Normal University, Jinhua 321004, China.

Published: March 2024

AI Article Synopsis

  • - Hydrogen-bonded organic frameworks (HOFs) are innovative materials made from organic or metal-organic units linked by hydrogen bonds, known for their flexibility, high crystallinity, and self-repairing abilities.
  • - The text discusses recent developments in HOF-based membranes, focusing on their fabrication techniques and applications in areas like gas separation, water treatment, and fuel cells.
  • - Key considerations for creating effective HOF-based membranes include pore size, stability, and surface properties, while the text also highlights current challenges and future potential in this field.

Article Abstract

Hydrogen-bonded organic frameworks (HOFs) are a new class of crystalline porous materials that are formed through the interconnection of organic or metal-organic building units intermolecular hydrogen bonds. The remarkable flexibility and reversibility of hydrogen bonds, coupled with the customizable nature of organic units, endow HOFs with mild synthesis conditions, high crystallinity, solvent processability, and facile self-healing and regeneration properties. Consequently, these features have garnered significant attention across various fields, particularly in the realm of membrane separation. Herein, we present an overview of the recent advances in HOF-based membranes, including their advanced fabrication strategies and fascinating applications in membrane separation. To attain the desired HOF-based membranes, careful consideration is dedicated to crucial factors such as pore size, stability, hydrophilicity/hydrophobicity, and surface charge of the HOFs. Additionally, diverse preparation methods for HOF-based membranes, including blending, growth, solution-processing, and electrophoretic deposition, have been analyzed. Furthermore, applications of HOF-based membranes in gas separation, water treatment, fuel cells, and other emerging application areas are presented. Finally, the challenges and prospects of HOF-based membranes are critically pointed out.

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Source
http://dx.doi.org/10.1039/d3cs00866eDOI Listing

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