Hi Rozita Foulady,

MOFs (Metal-Organic Frameworks), COFs (Covalent Organic Frameworks), MCMs (Mesoporous Crystalline Materials), and zeolites are not typically categorized as nanoparticles. While they are all materials with porous structures and can have nanoscale dimensions, they differ in terms of their composition and properties.

Nanoparticles, by definition, refer to particles with dimensions in the nanometer range (1-100 nanometers). They can be made from various materials, such as metals, metal oxides, or polymers, and possess unique size-dependent properties. Nanoparticles often exhibit distinct characteristics due to their small size and high surface area, leading to diverse applications in fields like medicine, electronics, and catalysis.

Best regards

Thank you.

I know these categorizations. But many reliable articles use the term "MOFs" or "COFs" nanoparticles. That's why I wanted to know if it is usual or not.

No problem :) It is not common to categorize MOFs, COFs, MCMs, and zeolites as nanoparticles, their nanoscale counterparts or engineered forms with specific size control can be referred to as nanosized MOFs, COFs, etc. In such cases, the focus is often on their unique properties at the nanoscale, distinct from their bulk counterparts. It is possible to use these terms in this context.