Hydrogen-Bonded Organic Framework Membranes: Emerging Nanofluidic Platforms for Gas Separation

Area of Science:

• Materials Science
• Chemical Engineering
• Environmental Science

Background:

• Efficient gas separation is critical for energy and environmental sustainability.
• Membrane technology presents an energy-saving and effective separation solution.
• High-performance membrane materials are key to advanced separation processes.

Purpose of the Study:

• To review recent advancements in hydrogen-bonded organic frameworks (HOFs) for gas separation membranes.
• To outline fabrication approaches, material design principles, and preparation techniques for HOF membranes.
• To evaluate the current applications and future potential of HOF membranes in gas separation.

Main Methods:

• Comprehensive literature review of HOF gas separation membranes.
• Analysis of HOF material design principles and fabrication methods.
• Systematic evaluation of HOF membrane performance in gas separation applications.

Main Results:

• HOFs are emerging crystalline porous materials formed via intermolecular hydrogen bonds.
• HOFs exhibit advantages like moderate synthesis, high crystallinity, and renewability, making them suitable for membranes.
• Recent advances show significant progress in HOF membrane fabrication and gas separation capabilities.

Conclusions:

• HOFs represent a promising class of materials for advanced gas separation membranes.
• Further research is needed to address challenges and fully realize the potential of HOF membranes.
• HOF membranes hold potential for sustainable solutions in energy and environmental applications.