Self-assembly of graphene oxide at interfaces

Area of Science:

• Materials Science
• Nanotechnology
• Surface Chemistry

Background:

• Graphene oxide (GO) exhibits amphiphilic properties, enabling self-assembly into various nanostructures.
• GO self-assembly is primarily driven by its concentration at liquid-air, liquid-liquid, and liquid-solid interfaces.

Purpose of the Study:

• To comprehensively review GO self-assembly phenomena at different interfaces.
• To discuss derived interfacial self-assembly techniques and the properties of resulting materials.
• To highlight GO's features enabling controlled preparation of functionalized carbon materials.

Main Methods:

• Review of existing literature on graphene oxide interfacial self-assembly.
• Analysis of GO's amphiphilicity, charge, functional groups, and flexibility in assembly.
• Exploration of self-assembly for uniform hybridization in composite materials.

Main Results:

• Graphene oxide self-assembly at interfaces yields diverse morphologies like membranes, hydrogels, and spheres.
• Interfacial self-assembly is a facile and controllable strategy for creating functionalized carbon materials.
• Hybrid carbon materials with tailored functions can be prepared using self-assembly techniques.

Conclusions:

• Interfacial self-assembly of GO is a promising route for designing and preparing advanced carbon materials.
• Potential applications for assembled GO-based materials are presented.
• Future challenges and perspectives for interfacial self-assembly in materials design are discussed.