<br>重构成核以实现具有宽范围扭转角的扭转双层 MoS2 的 CVD 生长,Nature Communications

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重构成核以实现具有宽范围扭转角的扭转双层 MoS2 的 CVD 生长
Nature Communications ( IF 14.7 ) Pub Date : 2024-01-17 , DOI: 10.1038/s41467-023-44598-w
Manzhang Xu _{1,

2,

3} , Hongjia Ji ₁ , Lu Zheng _{1,

2,

3} , Weiwei Li _{1,

2,

3} , Jing Wang ₄ , Hanxin Wang ₁ , Lei Luo ₁ , Qianbo Lu _{1,

2,

3} , Xuetao Gan ₄ , Zheng Liu _{5,

6,

7} , Xuewen Wang _{1,

2,

3} , Wei Huang _{1,

2,

3,

8,

9}

Affiliation

Frontiers Science Center for Flexible Electronics (FSCFE) & Institute of Flexible Electronics (IFE), Northwestern Polytechnical University, Xi'an, 710072, P. R. China.
MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi'an, 710072, P. R. China.
Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi'an, 710072, P. R. China.
Key Laboratory of Light Field Manipulation and Information Acquisition, Ministry of Industry and Information Technology, and Shaanxi Key Laboratory of Optical Information Technology, School of Physical Science and Technology, Northwestern Polytechnical University, Xi'an, 710129, P. R. China.
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
CINTRA CNRS/NTU/THALES, UMI 3288, Research Techno Plaza, 50 Nanyang Drive, Border X Block, Level 6, Singapore, 637553, Singapore.
School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
State Key Laboratory of Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, P. R. China.
Key Laboratory of Flexible Electronics (KLoFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, P. R. China.

由于莫尔超晶格相关的奇特能带结构和独特的电子特性，除 TB 石墨烯之外的扭曲双层 (TB) 过渡金属二硫属化物 (TMDC) 被认为是研究凝聚态物理的理想平台。具有宽扭转角的大面积、高质量 TB-TMDC 的生长对于探索扭转角相关的物理和应用具有重要意义，但实施起来仍然具有挑战性。在这里，我们提出了一种重新配置成核化学气相沉积（CVD）策略，用于直接合成扭转角从0°到120°的TB-MoS ₂ 。可以清楚地观察到与扭转角相关的莫尔周期性，并且层间耦合与扭转角显示出很强的关系。此外，通过调整气体流量和NaCl与MoO ₃的摩尔比，双层MoS ₂中TB-MoS ₂的产率和TB-MoS ₂的密度显着提高至17.2%和28.9个/mm ² 。所提出的重新配置成核方法为基础研究和实际应用的 TB-TMDC 的精确生长开辟了道路。

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更新日期：2024-01-17

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