Toward functional and structurally complex Frank-Kasper phases via creating concavities on supramolecular micelles

Area of Science:

• Supramolecular Chemistry
• Materials Science
• Soft Matter Physics

Background:

• Higher structural complexity in supramolecular chemistry leads to emergent functions in ordered soft matter.
• Frank-Kasper (FK) phases are complex self-assembled structures with potential for advanced applications.

Purpose of the Study:

• To design and construct structurally complex and functional FK phases.
• To introduce heterogeneity into supramolecular micelles to create specific surface features.
• To enable catalytic functions within the ordered FK lattice.

Main Methods:

• Blending rigid aromatic dendrons (Ar2) with flexible aliphatic dendrons (D2) to form heterogeneous micelles.
• Utilizing structural analyses to confirm the formation of micelles with surface concavities.
• Investigating the catalytic performance of the designed supramolecular structures.

Main Results:

• Successfully created micelles with surface concavities while maintaining the long-range periodicity of the FK sigma lattice.
• Demonstrated that the concave domains act as enzyme-like pockets, accommodating guest molecules.
• Facilitated photodimerization reactions within these pockets, showcasing catalytic activity.

Conclusions:

• The developed strategy provides a versatile method for designing FK phases with integrated functions.
• The approach enhances hierarchical architecture complexity and enables catalytic performance in soft matter.
• This work bridges molecular recognition, supramolecular precision, and catalysis within an ordered framework.