Two-dimensional van der Waals heterostructures (2D vdW HSs) can be constructed by stacking different 2D materials together in nearly endless ways, and have significantly enriched the 2D materials family. They have attracted significant attention due to their exotic physical properties and intriguing device performance, often beyond those found in their constituent 2D materials.
2D vdW HSs provide new platforms to explore novel physical phenomena, and offer new opportunities for enabling next generation 2D devices. In this review, the researchers survey recent progress in fabrication methods, material properties, and device applications of 2D vdW HSs, and offer their perspectives on future research directions.
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