2D Nonlayered Materials for Transistor Application

Over the past two decades since the discovery of graphene, there is significant interest in two-dimensional (2D) layered materials. However, nonlayered materials, which are far more abundant, remain underexplored. By shifting the focus to 2D nonlayered materials, the variety of 2D materials is not only expanded but also explores advanced technologies and uncovers potential new phenomena. In this paper, recent developments are reviewed in the controlled synthesis of 2D nonlayered materials using chemical vapor deposition (CVD) techniques and their applications in 2D electronics. Begin by categorizing the extensive array of nonlayered materials based on their chemical composition and crystal structure. Next, specialized CVD growth methods that are suitable for 2D nonlayered materials are discussed, enabling the controlled synthesis of high-quality specimens. The physical properties and internal structure of 2D nonlayered materials through spectroscopic studies and atomic scale characterization are then analyzed. Finally, the applications of these materials in transistors, highlighting their diverse uses and potential advantages are summarized. By consolidating these studies, the future applications of 2D nonlayered materials in transistors and proposing various research ideas and technical pathways for further development are envisioned. This review will serve as a valuable resource to guide the advancement of 2D nonlayered materials.