Two-dimensional MoS2: Properties, preparation, and applications

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Abstract

Graphene-like two-dimensional (2D) transition metal dichalcogenides (TMDCs) have been attracting a wide range of research interests. Molybdenum disulfide (MoS2) is one of the most typical TMDCs. Its particular direct band gap of 1.8 eV in monolayer and layer dependence of band structure tackle the gapless problems of graphene, thus making it scientific and industrial importance. In this Review, we attempt to provide the latest development of optical and electronic properties, synthesis approaches, and potential applications of 2D MoS2. A roadmap towards fabricating hybrid structures based on MoS2 and graphene is highlighted, proposing ways to enhance properties of the individual component and broaden the range of functional applications in various fields, including flexible electronics, energy storage and harvesting as well as electrochemical catalysis.

Graphical abstract

We review the recent advances of synthesis approaches, optical and electronic properties, and potential applications of two-dimensional MoS2

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Keywords

Two-dimensional
Transition metal dichalcogenides
Molybdenum disulfide
Chemical vapor deposition
van der Waals heterostructure

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Xiao Li is a PhD student of Materials Science of School of Materials Science and Engineering, Tsinghua University, Beijing, China. She obtained her Bachelor's Degree in 2011 from the College of Mechanical and Electronic Engineering, China University of Petroleum, China. Her research interests focus on the preparation and applications of two-dimensional materials, with an emphasis on graphene and metal dichalcogenides.

Dr. Hongwei Zhu is a Professor of Materials Science of School of Materials Science and Engineering, Tsinghua University, Beijing, China. Before joining the faculty of Tsinghua University in 2008, he had conducted Post Doc. studies in Japan and USA since 2003. His recent research focuses on macrostructural assembly and engineering of nanomaterials (e.g., graphene and carbon nanotubes), flexible energy devices, sensors, and membranes for water desalination and purification. He has published over 160 papers in refereed international journals, 2 books and 5 invited book chapters, and holds 12 Chinese patents and 1 US patent.

Peer review under responsibility of The Chinese Ceramic Society.