利用真空固态反应合成高质量二维过渡金属二硫化物晶体及其应用

High-Quality 2D TMD Crystals Synthesized by Solid-state Reaction in Vacuum System and Their Applications

二维过渡金属二硫化物(TMD)晶体由于其结构的多样性和独特的性质备受关注。真空固态反应法是生长高质量二维TMD晶体的一种强有力工具,此方法大大推动了基于二维TMD晶体的基础研究和应用探索。在这篇综述中,我们总结了在真空系统中生长高质量二维TMD晶体的方法,并讨论了影响二维TMD晶体尺寸、质量、形态和多型性的因素。我们还简要讨论了二维TMD晶体的物理性质及各种应用。最后,对真空固态反应法在二维TMD晶体生长中的应用进行了展望。

Two-dimensional(2 D) transition metal dichalcogenide(TMD) crystals have attracted increasing attention due to their diverse structure and unique properties for broad applications.Therefore,the synthesis of high-quality 2 D TMD crystals plays a significant role in improving fundamental research and applications,and the solid-state reaction in a vacuum system has been employed as a powerful tool for the growth of high-quality 2 D TMD crystals.In this review,we summarized the methods for growing 2 D TMD crystals with high quality in a vacuum system and discussed the factors that affect the size,quality,morphology,and polytype of 2 D TMD crystals.We also briefly discussed the physical properties and diverse applications of 2 D TMD crystals.Finally,perspectives of solid-state reaction in vacuum system on 2 D TMD crystals growth are provided.