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Updated: Aug 16, 2025

Microfluidic-based Synthesis of Covalent Organic Frameworks COFs: A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface
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Molecular Iodine Capture by Covalent Organic Frameworks.

Yuting Yang1, Changzheng Tu1, Hongju Yin1

  • 1College of Chemistry and Environmental Science, Qujing Normal University, Qujing 655011, China.

Molecules (Basel, Switzerland)
|December 23, 2022
PubMed
Summary

Covalent organic frameworks (COFs) show promise for capturing radioactive iodine from nuclear waste. This review details COF mechanisms, influencing factors, and design strategies for effective iodine capture and storage.

Keywords:
charge transfercovalent organic frameworkselectron-rich groupsiodine capturemechanisms

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Area of Science:

  • Materials Science
  • Nuclear Chemistry
  • Environmental Science

Background:

  • Volatile molecular iodine capture from nuclear waste is critical.
  • Covalent organic frameworks (COFs) offer high surface areas and permanent porosity for adsorption.
  • Significant research focuses on designing COFs for radioactive iodine capture.

Purpose of the Study:

  • To review research techniques for understanding COF-iodine capture mechanisms.
  • To classify factors influencing COF iodine capture performance.
  • To summarize COF design principles for enhanced iodine capture.

Main Methods:

  • Review of experimental and computational techniques for COF-iodine interaction studies.
  • Analysis of structure-property relationships in COF materials.
  • Classification of operational and material parameters affecting iodine adsorption.

Main Results:

  • Detailed mechanisms of iodine interaction with various COF structures.
  • Identification of key factors like pore size, functional groups, and surface area.
  • Summary of design strategies for optimizing COF performance.

Conclusions:

  • COFs are highly promising for nuclear waste iodine management.
  • Further research should focus on tailored COF design and long-term stability.
  • Understanding capture mechanisms is key to developing advanced materials.