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The remarkable properties of graphene have inspired great research interest in two-dimensional layered materials (2DLMs) with novel electronic and optical attributes. As a class of graphene-like 2DLMs, ultrathin group IIIA metal chalcogenides (GIIIAMCs, metal = In, Ga; chalcogen = S, Se, Te) have shown great potential in electronics and optoelectronics. In this review, we first introduce the crystal structures and their unique advantages in specific potential applications. Then, we summarize the progress in the fabrication of GIIIAMCs in the framework of top-down and bottom-up methods. Next, their recent achievements regarding enhanced field-effect transistor and photodetector applications are discussed in detail. In addition, the construction strategies of hybrid GIIIAMCs heterostructures and their applications in electronics and optoelectronics are presented. Finally, this review is concluded with some perspectives and an outlook for continued research.
Huang et al. (Mon,) studied this question.