Progress in self-assemblies of macrocycles at the liquid/solid interface

Area of Science:

• Supramolecular Chemistry
• Materials Science

Background:

• Macrocyclic self-assemblies are of significant interest due to their diverse structures.
• Potential applications include catalysis, magnetism, photovoltaic devices, and organic light-emitting diodes.
• Macrocycles with π-conjugated systems facilitate ordered assembly at the liquid/solid interface.

Purpose of the Study:

• To review recent advancements in macrocyclic self-assembly structures.
• To highlight the role of scanning tunneling microscopy in characterizing these assemblies.

Main Methods:

• Utilizing scanning tunneling microscopy (STM) at the liquid/solid interface.
• Analyzing self-assembly of macrocyclic compounds.

Main Results:

• Demonstration of various macrocyclic self-assembly structures with different shapes.
• Observation of regular assembly systems facilitated by π-conjugated macrocycles.
• Successful construction of multi-component supramolecular co-assemblies by selecting appropriate guest molecules.

Conclusions:

• Macrocyclic self-assemblies offer versatile platforms for advanced materials.
• STM is a powerful tool for understanding self-assembly at the nanoscale.
• Tailoring macrocycle and guest molecule interactions enables precise control over supramolecular architectures.