The 2D Semiconductor Library

The successful discovery of graphene has greatly stimulated researchers' enthusiasm for two-dimensional materials. The research on two-dimensional materials has shown incredible development in the past 10 years. The two-dimensional material family has a wide range of composition options, including almost all elements in the periodic table. Such a rich composition makes two-dimensional materials have a rich electronic structure, such as metals, semi-metals, insulators, and semiconductors with direct and indirect bandgap in the full spectrum. Therefore, two-dimensional materials have great potential for the development of new electronic, optoelectronic devices, and novel condensed matter physical phenomena in the future. In this chapter, we classify most of the two-dimensional materials and make a brief overview.