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For the past 15 years, starting with the discovery of the unique physical properties of single-layer graphene, two-dimensional (2D) materials have been widely researched. Here. this interest led to both a new wave of research on known 2D materials, such as metal dichalcogenides and boron nitride, and the discovery of many new 2D materials.
Gogotsi et al. (2019) studied this question.