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Covalent Organic Frameworks: Pore Design and Interface Engineering.

Zhuoer Li1,2, Ting He2, Yifan Gong2,3

  • 1Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China.

Accounts of Chemical Research
|August 14, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed tailor-made artificial pores using polymer-covalent organic frameworks (COFs). This advanced porous material design enables precise control over pore interfaces for diverse applications in separation, catalysis, and transport.

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Area of Science:

  • Materials Science
  • Polymer Chemistry
  • Nanotechnology

Background:

  • Nature utilizes molecular pores for biological functions, inspiring artificial systems.
  • Significant advancements in synthesizing porous materials have occurred over the past century.
  • Emerging polymer-covalent organic frameworks (COFs) offer a platform for designing artificial pores.

Purpose of the Study:

  • To summarize approaches to designing artificial pore interfaces using COFs.
  • To highlight design principles, synthetic strategies, and porous features.
  • To explore the correlation between interface engineering and material functions.

Main Methods:

  • Utilized direct polymerization and pore surface engineering for pore wall construction.
  • Employed predesigned and synthetically controlled functional groups for specific pore interfaces.
  • Investigated interplays between pore interfaces and molecules/ions through various interactions.

Main Results:

  • Demonstrated the ability to create tailor-made pore interfaces with controlled component, position, and density.
  • Showcased hierarchical pore interface architectures and their influence on molecular interactions.
  • Revealed functional correlations for adsorption, separation, catalysis, energy storage, and ion transport.

Conclusions:

  • Pore interface engineering in COFs enables precise control over structure and function.
  • This approach opens new avenues for designing advanced porous materials with targeted applications.
  • Future directions focus on addressing key issues for achieving ultimate functions in artificial pores.