Increasing Dimensionality in Self-Assembly: Toward Two-Dimensional Supramolecular Polymers.

Area of Science:

• Supramolecular chemistry and materials science.
• Focus on self-assembly and non-covalent interactions.
• Development of two-dimensional (2D) materials.

Background:

• Traditional 2D material synthesis relies on covalent bottom-up approaches.
• Supramolecular polymers offer an alternative strategy for 2D material fabrication.
• Weak non-covalent forces are key to inducing lateral growth of self-assembling units.

Purpose of the Study:

• To review different approaches for creating 2D supramolecular polymers.
• To highlight the significance of non-covalent interactions in lateral growth.
• To showcase the versatility of supramolecular polymerization for novel 2D materials.

Main Methods:

• Review of thermodynamically controlled formation of 2D supramolecular polymers.
• Review of kinetically controlled formation of 2D supramolecular polymers.
• Exploration of advanced techniques like seeded and living supramolecular polymerizations.

Main Results:

• Demonstration of supramolecular polymerization for creating 2D materials.
• Achieved diverse morphologies including nanosheets, scrolls, and porous surfaces.
• Exhibited applications in chiral recognition, enantioselective uptake, and asymmetric organic transformations.

Conclusions:

• Supramolecular polymerization is a powerful strategy for designing novel 2D materials.
• This approach enables control over material morphology and function.
• Advanced polymerization techniques allow for the creation of complex 2D nanostructures.