剥脱关节
纳米技术
化学气相沉积
堆积
化学
过渡金属
表征(材料科学)
相(物质)
单层
材料科学
石墨烯
催化作用
有机化学
生物化学
作者
Bau‐Tong Dai,Yueqi Su,Yuqiao Guo,Changzheng Wu,Yi Xie
出处
期刊:Chemical Reviews
[American Chemical Society]
日期:2023-12-26
卷期号:124 (2): 420-454
被引量:5
标识
DOI:10.1021/acs.chemrev.3c00422
摘要
The past few decades have witnessed a notable increase in transition metal dichalcogenide (TMD) related research not only because of the large family of TMD candidates but also because of the various polytypes that arise from the monolayer configuration and layer stacking order. The peculiar physicochemical properties of TMD nanosheets enable an enormous range of applications from fundamental science to industrial technologies based on the preparation of high-quality TMDs. For polymorphic TMDs, the 1T/1T′ phase is particularly intriguing because of the enriched density of states, and thus facilitates fruitful chemistry. Herein, we comprehensively discuss the most recent strategies for direct synthesis of phase-pure 1T/1T′ TMD nanosheets such as mechanical exfoliation, chemical vapor deposition, wet chemical synthesis, atomic layer deposition, and more. We also review frequently adopted methods for phase engineering in TMD nanosheets ranging from chemical doping and alloying, to charge injection, and irradiation with optical or charged particle beams. Prior to the synthesis methods, we discuss the configuration of TMDs as well as the characterization tools mostly used in experiments. Finally, we discuss the current challenges and opportunities as well as emphasize the promising fields for the future development.
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