Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 12, Issue 33, Pages 7942-7963Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.1c02316
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Funding
- Chinese Academy of Sciences
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB30000000]
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In recent years, 2D materials have garnered great attention due to their unique dimensionality and properties, with CVD emerging as the most promising method for synthesizing these materials. The interaction between 2D materials and substrates, characterized by van der Waals forces, is highly anisotropic, necessitating a different theoretical framework from traditional thin-film growth for CVD synthesis of 2D materials.
Two-dimensional (2D) materials have attracted great attention in recent years because of their unique dimensionality and related properties. Chemical vapor deposition (CVD), a crucial technique for thin-film epitaxial growth, has become the most promising method of synthesizing 2D materials. Different from traditional thin-film growth, where strong chemical bonds are involved in both thin films and substrates, the interaction in 2D materials and substrates involves the van der Waals force and is highly anisotropic, and therefore, traditional thin-film growth theories cannot be applied to 2D material CVD synthesis. During the last 15 years, extensive theoretical studies were devoted to the CVD synthesis of 2D materials. This Perspective attempts to present a theoretical framework for 2D material CVD synthesis as well as the challenges and opportunities in exploring CVD mechanisms. We hope that this Perspective can provide an in-depth understanding of 2D material CVD synthesis and can further stimulate 2D material synthesis.
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