Recent Advances in van der Waals Heterojunctions Based on Semiconducting Transition Metal Dichalcogenides

Ruiping Li, Lain-Jong Li, Yingchun Cheng, Wei Huang

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Due to the direct bandgap with coupled spin–valley physics, semiconducting MX (M = Mo, W; X = S, Se) materials have attracted considerable attention and have numerous proposed applications. With the development of 2D materials research, many 2D materials have been discovered, such as insulators, semiconductors, ferromagnetic semiconductors, topological insulators, metals, and ferromagnetic metals. van der Waals heterojunctions (vdWHs), based on MX and other 2D materials, have attracted increasing attention because of their various potential applications, such as field effect transistors, solar cells, photodetectors, light emitting diodes, and lasers. Based on the functionality of 2D materials, vdWHs are classified into six classes: MX/semiconductors, MX/insulators, MX/topological insulators, MX/ferromagnetic semiconductors, MX/metals, and MX/ferromagnetic metals. For each class of vdWHs, the structural, electronic, and optical properties, as well as potential applications in electronics and optoelectronics, are reviewed. Finally, an overview of perspectives and challenges regarding vdWHs based on MX materials is presented.
Original languageEnglish (US)
Pages (from-to)1800270
JournalAdvanced Electronic Materials
Volume4
Issue number11
DOIs
StatePublished - Sep 10 2018

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 11504169, 61575094, and 91733302), the National Basic Research Program of China (Grant No. 2015CB932200). This work was also sponsored by Qing Lan Project and the Jiangsu Specially-Appointed Professor programme.

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