期刊
NANO LETTERS
卷 19, 期 8, 页码 4845-4851出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.8b05074
关键词
Transition-metal monochalcogenides; one-dimensional van der Waals materials; template synthesis; nanotubes; atomic-resolution transmission electron microscopy
类别
资金
- Nagoya University Advanced Characterization Nanotechnology Platform by MEXT, Japan
- 2017 Nakatani RIES Fellowship
- Nakatani Foundation
- JST program Nagoya University MIRAI Global Science Campus
- [16H06350]
- [16H06333]
- [17H06735]
- [18K14088]
The successful isolation of single layers from two-dimensional (2D) van der Waals (vdW)-layered materials has opened new frontiers in condensed matter physics and materials science. Their discovery and unique properties laid the foundation for exploring 1D counterparts. However, the isolation of 1D vdW-wired materials has thus far remained a challenge, and effective techniques are demanded. Here we report the facile synthesis of isolated transition-metal monochalcogenide MoTe nanowires by using carbon nanotubes (CNTs) as molds. Individual nanowires are perfectly separated by CNTs with a minimal interaction, enabling detailed characterization of the single wires. Transmission electron microscopy revealed unusual torsional motion of MoTe nanowires inside CNTs. Confinement of 1D vdW-wired materials to the nanotest tubes might open up possibilities for exploring unprecedented properties of the nanowires and their potential applications such as electromechanical switching devices.
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