空气稳定的大面积二维金属和半导体

IF 4.8 Q2 NANOSCIENCE & NANOTECHNOLOGY ACS Nanoscience Au Pub Date : 2024-01-30 DOI:10.1021/acsnanoscienceau.3c00047
Chengye Dong, Li-Syuan Lu, Yu-Chuan Lin* and Joshua A. Robinson*, 
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引用次数: 0

摘要

二维(2D)材料因其各种引人入胜的物理和化学性质,在下一代电子学、自旋电子学和光电设备的基础物理研究和技术应用中备受青睐。最近,二维金属和二维半导体家族迅速扩大,因为它们具有我们曾经未知的特性。要充分了解它们的特性,面临的挑战之一是它们在环境条件下的稳定性较差。在本综述的前半部分,我们简要总结了制备二维金属的常用方法,并重点介绍了最近一些制造空气稳定二维金属的方法。此外,我们还介绍了最近探索的一些空气稳定二维金属的物理化学特性。下半部分讨论了二维过渡金属二钙化物和一些元素二维半导体的空气稳定性和氧化机制。在二维材料生长过程中,可以通过优化生长温度、基底和前驱体来提高它们的空气稳定性,从而改善材料质量。其他方法包括掺杂、生长后退火和封装绝缘体,这些方法可以抑制缺陷并将封装样品与周围环境隔离。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Air-Stable, Large-Area 2D Metals and Semiconductors

Two-dimensional (2D) materials are popular for fundamental physics study and technological applications in next-generation electronics, spintronics, and optoelectronic devices due to a wide range of intriguing physical and chemical properties. Recently, the family of 2D metals and 2D semiconductors has been expanding rapidly because they offer properties once unknown to us. One of the challenges to fully access their properties is poor stability in ambient conditions. In the first half of this Review, we briefly summarize common methods of preparing 2D metals and highlight some recent approaches for making air-stable 2D metals. Additionally, we introduce the physicochemical properties of some air-stable 2D metals recently explored. The second half discusses the air stability and oxidation mechanisms of 2D transition metal dichalcogenides and some elemental 2D semiconductors. Their air stability can be enhanced by optimizing growth temperature, substrates, and precursors during 2D material growth to improve material quality, which will be discussed. Other methods, including doping, postgrowth annealing, and encapsulation of insulators that can suppress defects and isolate the encapsulated samples from the ambient environment, will be reviewed.

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来源期刊
ACS Nanoscience Au
ACS Nanoscience Au 材料科学、纳米科学-
CiteScore
4.20
自引率
0.00%
发文量
0
期刊介绍: ACS Nanoscience Au is an open access journal that publishes original fundamental and applied research on nanoscience and nanotechnology research at the interfaces of chemistry biology medicine materials science physics and engineering.The journal publishes short letters comprehensive articles reviews and perspectives on all aspects of nanoscience and nanotechnology:synthesis assembly characterization theory modeling and simulation of nanostructures nanomaterials and nanoscale devicesdesign fabrication and applications of organic inorganic polymer hybrid and biological nanostructuresexperimental and theoretical studies of nanoscale chemical physical and biological phenomenamethods and tools for nanoscience and nanotechnologyself- and directed-assemblyzero- one- and two-dimensional materialsnanostructures and nano-engineered devices with advanced performancenanobiotechnologynanomedicine and nanotoxicologyACS Nanoscience Au also publishes original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials engineering physics bioscience and chemistry into important applications of nanomaterials.
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