Journal
NANOMATERIALS
Volume 12, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/nano12010110
Keywords
two-dimensional materials; MoTe2; phase transition; homojunctions
Categories
Funding
- Basic Science Center Project of NSFC [51788104]
- National Key R&D Program of China [2018YFA0208400]
- National Natural Science Foundation of China [51972193, 11774191]
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This review summarizes recent progress in the study of 2D MoTe2 hetero-phase homojunctions, including their properties, construction methods, and applications. The prospects and challenges in this research field are also discussed.
With the demand for low contact resistance and a clean interface in high-performance field-effect transistors, two-dimensional (2D) hetero-phase homojunctions, which comprise a semiconducting phase of a material as the channel and a metallic phase of the material as electrodes, have attracted growing attention in recent years. In particular, MoTe2 exhibits intriguing properties and its phase is easily altered from semiconducting 2H to metallic 1T ' and vice versa, owing to the extremely small energy barrier between these two phases. MoTe2 thus finds potential applications in electronics as a representative 2D material with multiple phases. In this review, we briefly summarize recent progress in 2D MoTe2 hetero-phase homojunctions. We first introduce the properties of the diverse phases of MoTe2, demonstrate the approaches to the construction of 2D MoTe2 hetero-phase homojunctions, and then show the applications of the homojunctions. Lastly, we discuss the prospects and challenges in this research field.
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