MOF-COF Hybrid Frameworks Materials

Metal-organic frameworks ( MOFs ) and covalent organic frameworks ( COFs ) are two porous crystalline materials, which have a large specific surface area, and high porosity and can be synthesized and modified via various methods. Therefore, they have found potential applications in hydrogen evolution, oxygen evolution, CO2 reduction, organic pollution degradation, gas separation and so on. However, MOF and COF still have many defects themselves. For example, most MOFs are unstable in the aqueous solution due to the collapse of the structures; and COFs with no metals involved are poor in catalytic performance. Furthermore, COFs normally lack certain functions. As a new area, MOF-COF hybrid materials have been explored in recent years. They can combine the characteristics of the two materials to solve some of their own defects, and have a wide range of application prospects. Herein, this article summarizes the development of MOF-COF materials in recent years from three aspects: the types, synthetic methods and applications of MOF-COF hybrid materials. A prospect is also proposed.