Abstract

Chemistry and materials science have both seen substantial advancements in the synthesis and control of materials at the molecular or even atomic level. Included in this are the creation, synthesis, and use of a few twodimensional materials. Because of interactions between covalent or noncovalent structural units with various functions, molecular material systems have tunable physical and chemical properties. The development of functional regulation, the synthesis and assemblage of molecular-based functional materials, and associated applications are among the hotspots of international research. Particularly, two-dimensional (2D) materials are one of the most alluring research fields. The fact that some fundamental processes, like electron distribution and energy transport, can only occur in the 2D-limited space when the functional segments are arranged in a 2D plane would have an impact on the intrinsic properties, such as mechanical properties, energy levels, conductivity, optical conduction, and biochemical activity. Considering the features, practical 2D materials have demonstrated wonderful potential in a wide range of application sectors, such as energy storage and transfer, catalysis, electric devices, organic pharmaceuticals, etc.