5/27/2023 0 Comments Van der waals forces in graphite![]() They both have hexagonal and layered structures, in which the covalent-bonded layers are held together by weak van der Waals forces. graphite and molybdenite, and they share a few common properties. Also, being a direct gap material, 2D MoS 2 has great potential for application as optical material as well.ĭespite the recent interest in their 2D forms, both systems are also extremely well-known in their traditional 3D, bulk form, i.e. The intrinsic semiconducting nature of MoS 2 is a major advantage over graphene (which has no intrinsic band gap) as a two-dimensional (2D) channel material in field-effect transistors (FET). These materials and their heterostructures offer excellent mechanical flexibility, optical transparency, and favorable transport properties for developing electronic, sensing, and optical devices. Up to now, the most studied 2D materials are graphene and semiconducting transition metal dichalcogenides (TMDs), such as MoS 2. ![]() Two-dimensional (2D) materials drew great attention in the past few years as possible new materials for electronics, among other applications.
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