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Synthetic Approaches to Two-Dimensional Transition Metal Dichalcogenide Nanosheets

机译:二维过渡金属二硫化物纳米片的合成方法

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摘要

Two-dimensional transition metal dichalcogenides (TMDCs) have become the focus of intense research due to their unique physical and chemical properties. These features arise from the anisotropic effects of the materials as it is thinned towards a monolayer. Several review articles have exhaustively examined the structures and applications of such materials, whereas relatively little critical analysis has been applied to the ever-expanding array of synthetic methods. This review thoroughly documents all synthetic methods to 2D-TMDCs (by both ‘top-down’ and ‘bottom-up’ approaches) published up to January 2015, by considering the quality and characteristics of the nanosheets produced. This work has been achieved by directly comparing the crystallinity, dimensions, yields and electronic properties of selected TMDC nanosheets with respect to each method. Finally this review concludes with an examination of the next generation 2D-TMDCs that explores the production of ternary TMDC nanosheets, heterojunctions between two TMDCs, and the production of patterned nanosheet surfaces.
机译:二维过渡金属二卤化物(TMDC)由于其独特的物理和化学性质而成为广泛研究的焦点。这些特征是由于材料朝单层变薄时的各向异性效应而产生的。几篇评论文章详尽地研究了这种材料的结构和应用,而相对较少的批判性分析已应用于越来越多的合成方法。该评价通过考虑所生产纳米片的质量和特性,彻底记录了截至2015年1月发布的2D-TMDC的所有合成方法(“自上而下”和“自下而上”两种方法)。通过直接比较每种方法相对于所选TMDC纳米片的结晶度,尺寸,产率和电子性能,已经完成了这项工作。最后,本篇综述以对下一代2D-TMDC的检查为结尾,该研究探讨了三元TMDC纳米片的生产,两个TMDC之间的异质结以及图案化的纳米片表面的生产。

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