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Structural Approaches to Control Interlayer Interactions in 2D Covalent Organic Frameworks.

Marta Martínez-Abadía1, Aurelio Mateo-Alonso1,2

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Monomer design is crucial for 2D covalent organic frameworks, influencing structure and interlayer interactions. Tailoring monomers allows control over material properties like pore size and exfoliability.

Keywords:
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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemistry

Background:

  • 2D covalent organic frameworks (COFs) are advanced materials with tunable properties.
  • The design and synthesis of monomers are key to controlling COF characteristics.
  • Interlayer interactions significantly impact the performance and processability of 2D COFs.

Purpose of the Study:

  • To illustrate how monomer structure influences interlayer interactions in 2D COFs.
  • To highlight the role of monomer design in controlling COF dimensionality, topology, and pore size.
  • To demonstrate how interlayer interactions affect crystallinity, layer arrangement, and exfoliability of 2D COFs.

Main Methods:

  • Review and analysis of existing literature on 2D COF synthesis and characterization.
  • Focus on structure-property relationships related to monomer design.
  • Illustration of specific examples showcasing monomer-induced effects on interlayer interactions.

Main Results:

  • Monomer structure directly dictates interlayer interactions in 2D COFs.
  • Control over crystallinity, layer stacking, and interlayer spacing is achieved through monomer modification.
  • Exfoliability of 2D COFs can be tuned by altering monomer design.

Conclusions:

  • Strategic monomer design is essential for precise control over 2D COF properties.
  • Understanding monomer-interlayer interactions unlocks new possibilities for advanced material applications.
  • This work provides insights for the rational design of next-generation 2D covalent organic frameworks.